Overtightening of flanges can lead to cracking of plastic fittings, so care must be taken to ensure the correct torque is applied. Per 1000 pieces. 47 – Large Diameter steel flanges (NPS 26 through NPS 60) NPS, indicated above, is an acronym for Nominal Pipe Size. doc from ENGENHARIA 148 at Universidade Estácio de Sá. ) of small diameter bolts complies and has adequate strength but leads to very high interactional pre-load losses when they are tightened, consequently they regularly leak. To ensure that the joint is leak proof, I need to calculate the load distribution in the area between two bolts for a given torque in the bolt[please refer to the figure, where the lines indicate the area where I need the load distribution]. Nails call for a claw hammer. This route often is used when a custom appendix 2 flange must mate up to standard flanges such as B16. The number of bolts can be inserted by mouse click in the specified area. Bolts Bolts It Holes CLASS 150 CLASS 300 Flange 1238 1289 1346 1403 1454 1511 KIKAI CO. Flanges adapters are commonly used when connecting polypropylene piping systems to other materials, particularly steel. Gasket Internal Min. If an air wrench is used make sure the pressure is set to the minimum. 25, and plain non-plated bolts (as received) =. Support keyboard_arrow_right Bolt Torque Calculator. The bolts (qty:12) will need to carry a 38,000 lb tank with a flange and 12 bolts. This is important as insulating gaskets can easily get split or crushed if bolt tension becomes too high. Custom flange calculation features Input your own dimensions, select from a range of materials and calculate the sealing characteristics of your joint. This is the limiting condition, as the flange plate dimension a will always equal or be larger than the the gasket width. 2 for dry ) Fi is pre load force = 0. Bolt load calculation: Maximum bolting torque is considered to develop 40% to 60% of bolt yield stress. Proper bolt lubrication means:. A torque wrench should be used for the final tightening of the bolts. Before using a given torque table, these assumptions should be verified to insure they are appropriate for the specific application. You can calculate the structural torque value for the bolts used to attach the torque plate to your gear strut in the following form. Torque wrenches are relatively cheap items and we recommend purchasing and using one, to avoid potential damage to plastic pipe parts. Texas Flange provides ASME and Non code industrial pipe flanges for the Petrochemical, Aerospace, or other industrial industries. Knowing the cross sectional area of the bolt you can calculate the force the bolt is putting on what. Bolt Grades I have been on a quite a few online email lists over the last 7 years or so, basically since they first came out. This is Bolt Science's "TORQUE CONVERTOR - Conversion of Torque Units" page. I feel this is too high. (6) bolt holes on a 3-1/4" bolt hole circle. All values other than suggested torque amount are sourced directly from flange bolt charts and flange torque charts in the ASME B16. Bolts are an integral component of the flange assembly. Using proper bolt lubrication practices will allow assemblers to achieve the ideal torque with a low degree of bolt scatter (which we define as differences among torque levels on different bolts holding together the same flange). That resulting load on the gasket is then divided by the number of bolts on the flange to determine the load per bolt. The 5 step guide to torque tightening for leak-free flange connections Obtaining a leak-free flange connection can be a difficult task on-site without a plethora of equipment to fall back on. Because the highest stresses in a bolted flange are highly localised and dissipate over a very short distance, it is acceptable that the calculated longitudinal stress. 020” to the OD figure to compensate. NORSOK COMPACT FLANGE INSTALATTION PROSEDYRE Page 11 Table 1. Additionally a calculation example regarding flange connection according to ASME VIII DiV 1 requirement and then detailed Finite. Bolt torque Specifications: Shown is the bolt tightening sequences for typical circular flanges. On the go? Download our Bolt Load Calculator app instead. ft K is friction factor (0. es for further details and. The total bolt area A b is equal to the number of bolts n b times the bolt area per bolt A k: = Þ [mm] (6 ) With the permissible tension of the bolt material equal to [MPa] (7 ) the total maximum bolt load can be calculated:. • Suggested torque values are based on best practices. WEIGHTS MACHINE SCREWS & Type 1, 23, F and G TAPPING SCREWS LBS. Torque for Dome Head and Countersunk Bolts - use the following torque guide. The pressure load is calculated by multiplying the area of the pipe and gasket times the maximum expected pressure. (6) bolt holes on a 3-1/4" bolt hole circle. Bolt Torque Torque is the turning force measured in foot-pounds (ft-lb) or inch-pounds (in-lb) applied to tighten (turn) the nut on a bolt. bolting torque table 4 - use only with 6061-t6 aluminium flanges. ASME also sets the standards for flanges and bolt dimensions through the ANSI accredited ASME Standard B 16. Tighten the set screws in a Alternating Manner until all are in firm contact with the pipe surface. Continue with one final pass, torqueing the bolts in a clockwise sequence until all torque is uniform. I am looking for a way to calculate the "allowable stress" in pounds per square inch to use in a formula to allow torque for bolts. The bolt acts like a spring. ASME PCC-1-2013 (Revision of ASME PCC-1-2010) Guidelines for Pressure Boundary Bolted Flange Joint Assembly AN AMERICAN NATIONAL STANDARD Two Park Avenue • New York, NY • 10016 USA. Table is for standard pipe flanges only. 5 Torque Sensors - (190 companies) Torque sensors. It is not unusual to increase bolt size because the torque tightening method cannot guarentee a minimum preload. Also includes Flange Compression Calculator. L7M Modified bolting up to 4" Bolt Yield Strength : psi: Bolt Percent Yield 50% specified by API 6A. 13)))(ft lbf). 75” 2 4” 20 8 5/8” - 11 2. Classes, Divisions & Groups; Electromechanical vs. Use recommended torque values above to achieve a good seal. This tool calculates the gland bolt torque for valves that are packed with Chesterton style 1622 Low Emission Packing or Chesterton style 1724E Low Emission Sealing Sets. Fits early Manco Streaker Mini Bikes and Manco Single Wheel Pull Go Karts. Flange Bolt Torque Sequence. All stud bolts of 7/8″ and above shall be tightened using torque wrench. 5 Torque Sensors - (190 companies) Torque sensors. 75” 2 4” 20 8 5/8” - 11 2. 15 for lubrication, 0. Pressure (for STR-30 Torque Wrench) Torque Values for Linebacker Kits; Valve Selection. Counter relaxation by following correct bolt tightening procedure, as detailed in “How to Bolt Flanges. Tighten the set screws in a Alternating Manner until all are in firm contact with the pipe surface. Below are the standard measurements for flanges and their relevant bolts and holes size - a very useful tool for any onsite machinist. Many manufacturers of conflat flanges offer recommended values for the bolt torque. The Bolt Torque Formula The formula that expresses the relationship between the … Continue reading How to Calculate the Tightening. Bolt Size Flange Thickness Holes Bolts Circle 1/2 3-3/4 9/16 4 1/2 2-5/8 3/4 4-5/8 5/8 4 5/8 Blind flanges ASME B16. 3) if material waste and cost are no object, make the flange thicker. All Torque Requirements Are Dependant On Gasket Material Bolt Torque and Stud Specifications - ASME #150 Flange Connections MOUNTING FLANGE BOLT TORQUE - Ft. 062" thick Compressed Sheet1 & GYLON® Ring Gaskets - ANSI B16. From humble beginnings in a small workshop located in Ophirton, Johannesburg, the company expanded from machining fasteners on Capstan lathes, first into Hot forging of Bolts, followed by a move into the mass production of cold forged bolts and nuts. 45 = N l/s x 2. Product Sales – Hydraulic Torque Wrenches and Bolt Tensioners, Pipe Cutting Machines, Flange Spreaders, Flange Facing Machines. Title: Flange Bolt Hole Sizes and Bolt Circle Diameters Description: Bolt circle diameters, bolt sizes, number of bolt required, and torque specs for the Companion, Blind, and Van Stone Flanges. Length of Bolts (L) is shown in millimetres rounded to the nearest 5mm. Flanges adapters are commonly used when connecting polypropylene piping systems to other materials, particularly steel. Each bolt. de ABSTRACT In Europe, in 2001 the new standard EN 1591 for strength and tightness proofs of bolted flange connections (BFC). Flange joints are typically rated to 150 psi at 73°F (22. Related Topics. * Flanges larger than DN600/NPS24 are usually considered equipment flanges, for which generic torque tables are not provided. Environment Changes - Should the operating environment change significantly in temperature and/or humidity for a. The same change also applies to our 'useful stuff', all pages of which can be accessed via Top-Menu item: " Useful Stuff ". Calculate Torque. API Bolt Torque Calculators This Web Site Tool offers two calculators to determine torque to properly tighten API flange bolts to specified tightness, using various lubricants. Joined: Jun 29, 2010 Member: #39599 Messages: 2,292 Gender: Male Pasadena. TORQUE SPECIFICATIONS: DESCRIPTION: N·m: Ft. The number, the length, the diameter of the stud bolts required for a flanged connection depend on the flanges type, diameter, and rating (as per the ASME flange bolt chart). (See Figure 20-601) When torquing fasteners which do not have a specific torque pattern called out, refer to the general torque patterns shown. Table is for standard pipe flanges only. This is can be dependent on a number of factors, but is largely a function of the preload force, the force exerted in compressing the bolt, and the tension force, the force exerted in pulling the bolt apart. 4 Bus Conductors and Differential Thermal Expansion 3. Of Studs 4 4. From the original Jeep-L list to the XJ-list to the Rockcrawler. blind flange weight chart in kg, blind flange weight chart, flange bolt weight chart, b16. These flange bolts made of 8. The software provides calculations for standard and custom flange as per the ASME VIII div. 059”), add. Flange Bolting Chart - ASME B16. torque setting (100%), until there is no further rotation of nuts. K - constant d - diameter of bolt (m, in) F - axial bolt force or load (N, lb). Flange Bolt Charts. By using this approach a higher bolt load is determined. Interchange between S. Calculate a bolt stress required for a particular gasket in a known flange. First round - 30% of final torque (flange sequential order) Second round- 60% of final torque (flange sequential order). 50 132 528. Generally 70% bolt yield is targeted. Thicker flanges will rotate less and distribute the applied bolt load more uniformly to the gasket. Flange Tables for the Heating and Ventilation Industry - BS10 & BS1560 Page 9 - BS4504 Page 11. Flange PCD Page 4. Tighten diametrically opposite bolts finger tight. Tensioning sequence information. HYTORC flange bolting calculator computes recommended torque values, bolting patterns, tool selection and pump pressure settings for standard ASME B16. bolts torque value min to max range in foot lbs (lubricated only) 2" 5/8" 8 80-90. Torque for Flanged Hex Head and Tapered Socket Cap Bolts - use torque values specified by your equipment manufacturer. It is essential to know how to calculate the tightening torque of bolts to ensure your application works safely, without breaking. Be sure gasket is properly centered. A proper gasket installation, bolts with correct tension, and an evenly divided bolt strength must be adhered to to create a good flange connection. Custom flange calculation features Input your own dimensions, select from a range of materials and calculate the sealing characteristics of your joint. Torque from force reqmnt factor of safety against joint separation C P, external tensile load kb km stainless steel Beam tube flange: Outer Wall Flange: ld lb preload stress bolt circle diameter number of bolts circumference inches per bolt load for complete circle lbs 5/16-24 Stainless Steel socket head cap screws, 1 inch long bolts inch od. - up to 36 for M36) Bolt grade (8. a % of bolt yield. Find the PCD. Joint AssemblyFrom simple pipe alignment to complex joint positioning of large structural assemblies, our comprehensive line of joint assembly products range from hydraulic and mechanical alignment tools to PLC-controlled multi-point. TPI for 1" and smaller are UNC, 1-1/8" and larger are 8UN. pressure wax as supplied on high strength nuts) =. Classes, Divisions & Groups; Electromechanical vs. Tightening torque to preload a bolt Metric thread : M1 M1. In this video (part 2) we look at what it takes to calculate torque. 1 Appendix 2, and ASME III Div. The multi-bolt tensioning serves to shorten assembly and/or maintenance time. Counter relaxation by following correct bolt tightening procedure, as detailed in "How to Bolt Flanges. 25 17 12 26 19 36 27 5/16" - 24 17 13 26 19 37 27 M 8 X 1 18 13 28. For high-pressure, high temperature applications, retorquing may be necessary after startup to compensate for any relaxation or creep in the bolting assemblies. I also read something that said threads are of ment to be lubricated to ensure accurate torque Flange bolts have a section at the bottom, NOTE: M10 & M12 come in two different pitches. This torque will induce 2304 lb tension in each bolt. Best Price Monroe 271951 Quick-Strut Complete Strut Assembly at Clearance. K - constant. The shell-side inlet temperature rose from the previous 400 °C to 420 °C as a result of an energy-saving revamping. • Target torque calculation according to ASME PCC-1 Appendix J. The first factor is the bolt's diameter. Bookmark or "Favorite" this page by pressing CTRL + D. Proper bolt lubrication means:. The expected field-bolt stress (Se) achieved is often. A sample from three manufacturers is given below:. from precision medical instruments to high-performance robotic solutions, FUTEK products are designed to work in the most demanding environments - even on Mars. Refer to Bolt Torque Check Procedure and Table 2. Support keyboard_arrow_right Bolt Torque Calculator. Hydraulic torque wrench, dial torque wrench, digital torque wrench, they all have tension errors. Replace components if necessary. 9 Galvanised, A4-50, A4-70 & A4-80 316 Stainless…. The above table is a guideline as to how much your bolts should be tightened. The 1310 Series is a Direct-Fit, Bolt-In Replacement Direct-fit bolt-in flange. 0 X 5 M 1/4" - 28 8. 12" -F Pilot Bolt Circle 3. Foot Valve, H. Torque Wrench (bolts load clamping) is a app that lists the values for preload, torque and broken strength of both metric and inch bolts, taking. Bolt Torque Values - THERMAPAC ® (Full Face Gaskets / Flat Face Flanges) Full Face Gaskets on ASME B16. PASS 1: Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. either that for gasket seating or for external loading, whichever is the greater. 5 lb clamping load Torque = 0. Counter relaxation by following correct bolt tightening procedure, as detailed in “How to Bolt Flanges. Thicker flanges will rotate less and distribute the applied bolt load more uniformly to the gasket. PocketENGINEER™ Flange Bolt Torque Calculator Flanged joints are commonly used to connect polyethylene (PE) pipelines to valves, pumps and pipes of different material. (45-60 ft-lbs for 3 inch and 4 inch and 75-90 ft-lbs for 6 inch through 12 inch) 5. bolting torque table 4 - use only with 6061-t6 aluminium flanges. Deprecated: Function create_function() is deprecated in /home/chesap19/public_html/hendersonillustration. Featuring patented industry-first innovations, the ICE is the most advanced hydraulic bolting system available today. Bolts can be made from many materials, but most bolts are made of carbon steel, alloy steel, or stainless steel. Bolt Torque Calculator. ) Bolt Length (in. Nevertheless, uncertainties often arise when choosing. Interacts seamlessly with “Tool-Pro Controlled Bolting” software to provide bolting calculations and data for : • BS1560/ANSI B16. Find Bolt Torque Calculator related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Bolt Torque Calculator information. 5 lb clamping load Torque = 0. Flange Bolt Information About Fastener Materials and Coatings: Bolt Grade Markings Standard Thread Length for Flange Bolts; Threads Per Inch Table (Coarse and Fine). The application solves the following tasks: Automatic design of a connection bolt of standard design. The following equation estimates the amount of torque required to achieve a predetermined clamp force if the diameter of the bolt is known. We recommend consulting the flange manufacturer to confirm the suitability of the above-mentioned values. This online interactive tool can be used in conjunction with AWWA's Manual M11 to determine the recommended torque ranges and other important flange details, gasket stresses, and bolt yield loads. But bolt lubrication is also crucially important for assembling flanges properly. This application is able to calculate the torque capacity of a bolted flange coupling based in the geometry, number of bolts, and coefficient of friction between surfaces. If you do not have the same bolt or a known identical copy, you’ll need to identify the type of bolt you need and procure it prior to installation. A = outside diameter of flange or, where slotted holes extend to the outside of the flange, the diamter to the bottom of the slotsAb = cross-sectional area of the bolts using the root diameter of the thread or least diamter of unthreaded position, if lessAm = total required cross-sectional area of bolts, taken as the greater of Am1 and Am2Am1. Generally 70% bolt yield is targeted. The same change also applies to our 'useful stuff', all pages of which can be accessed via Top-Menu item: " Useful Stuff ". B7 Bolts / A194 Gr. Garlock Bolt Torque Values for. 5" 80000 for ASTM A193 Gr. Bolt quality A wide range of bolt materials are available for selection. That figure is about right for a low tensile bolt. es for further details and. Onsite Services – Hydraulic Bolt Torquing and Tensioning, Nut splitting, Flange Spreading and machining, pipe Cutting & Beveling, Hot/ Cold Tapping, Pipe Freezing. This is mainly due to corrosion and deformations in the bolt and nut threads. Consult Gore when selecting a lower. 2 Conclusions of Flange Tests 4. Generally 70% bolt yield is targeted. Replace components if necessary. (Hydrostatic, Pneumatic, Nitrogen or Helium) • Leak history and incidents. ) is one of the most important factors to consider. pressure wax as supplied on high strength nuts) =. Light Weight with High Torque FORM-FLEX COUPLINGS are available in a wide range of specifications to meet various operating con-ditions. A decrease in tightening torque was locally generated by a difference in thermal expansion between bolts made of stainless steel and the flange made of carbon steel. The washer shall be big enough to spread the maximum preload on the flange or the insulation material. Flange, Brass Adptor, S S Tee, Pvc Hose Connector, Pvc Reducer Socket, M S Bend, S S Union, Nylock Nut, Rubber Diapharm Gasket, G. 87 MB) TORQUE - Torque Tightening Analysis Program. In a bolted fl ange, the applied torque generates the axial load in the bolt. This driveshaft features a smaller diameter, which will not interfere with the Jeep JK, JL or JT exhaust. Bolt quality A wide range of bolt materials are available for selection. How to use a Torque Wrench PROPERLY - Duration:. While additional torque can maintain the pressure seal, bending strain across the HDPE flange adapter should be limited to prevent flange adapter fracture. Check all bolts at 100% torque with a circular pattern. 1-1989 Appendix B using In this equation, D pb = D b - (2 3 3⁄8H), where D b = basic bolt diameter. In order to evaluate the load cases, the loads for flange, bolts, gasket and loose flange are determined. You can use it to provide torque data and tensioning tool pressures on both subsea and topside applications. Pd5500 Flange Calculation. Bolting Procedure. A flanged PE pipe joint is an engineered assembly consisting of several components, likely to have been manufactured by a variety of companies and from varying plastic and non. At the minimum seating stress, both the gasket stress and the bolt stress are not ideal and the joint is susceptible to losing significant amount of bolt load with little relaxation, because how little the bolts got stretched. Torque for Flanged Hex Head and Tapered Socket Cap Bolts - use torque values specified by your equipment manufacturer. mm Force Flow lbf x 4. 47 – Large Diameter steel flanges (NPS 26 through NPS 60) NPS, indicated above, is an acronym for Nominal Pipe Size. This is the limiting condition, as the flange plate dimension a will always equal or be larger than the the gasket width. For standard flange gaskets, we have several useful tools on our website for bolt torque specs. Metric bolt torque calculator according to VDI 2230 standard for shank bolts with metric standard thread according to ISO 262; hexagonal bolts according to DIN EN ISO 4014 to 4018, hexalobular external driving head bolts according to DIN 34800 or cylindrical bolts according to DIN EN ISO 4762 and hole ”medium“ according to ISO 273 (DIN EN 20273). This behaviour is to be ex-pected because the parts of the flange which are open-ing have a lower stiffness than the parts that are still in contact. Torque for Flanged Hex Head and Tapered Socket Cap Bolts - use torque values specified by your equipment manufacturer. Hydraulic torque wrench, dial torque wrench, digital torque wrench, they all have tension errors. 5 Flat Face Flanges with ASTM A193 Gr. Moreover, the flange weights resulting from a DIN calculation are in many cases much lower than the weights resulting from a Taylor Forge calculation: this means that the DIN flanges do not have the same capacity as the Taylor Forge flanges to withstand overloading of the bolts. 1 : Sep 29, 2015, 1:30 PM: Jim Mack: Ċ: Standard Bolt Torque Specs. See the reference section for details on the methodology and the equations used. Once the clamp load is determined, finding the correct torque value for a bolt is one simple calculation away. By combining the torque-angle curves with a few simple calculations and a basic understanding of the. 47 Series A(MSS SP-44) flanges(150LB, 300LB, 400LB, 600LB, 900LB). Bolt blending behavior is very much affected by the type of gasket used in a joint with blending behavior of all bolts is almost similar. Back to ENGINEERING. POSITIVE offset number means the centerline of the flange is towards the outside of the rim. Flange Bolt Information About Fastener Materials and Coatings: Bolt Grade Markings Standard Thread Length for Flange Bolts; Threads Per Inch Table (Coarse and Fine). 1-1/4" 4 Bolt Flange 1/2-13 UNC-2B Threads Option 1 & 8 32mm 4 Bolt Flange M12 Threads High Pressure Series (Code 62) Inlet: Option 3 & 7 2-1/2" 4 Bolt Flange 1/2-13 UNC-2B Threads Option 1 & 8 63mm 4 Bolt Flange M16 Threads Standard Pressure Series (Code 61) 88 (3. This is the limiting condition, as the flange plate dimension a will always equal or be larger than the the gasket width. The first time around tighten to approximately 1/2 of the final torque, and then repeat the sequence, tightening to the suggested torque limit. Simply input your nominal pipe size and the calculator will provide a bolt torque estimate and other related torque settings. Flange, Brass Adptor, S S Tee, Pvc Hose Connector, Pvc Reducer Socket, M S Bend, S S Union, Nylock Nut, Rubber Diapharm Gasket, G. The original company was established in 1966 and purchased by the current management in 1981. 1, the EN 13445-3 and the EN 1591-1 calculation codes. It doesn’t describe the contribution to the torque-tension relationship of thread pitch (coarse vs. There can be as many as 200 or more factors that affect the tension created in a bolt when tightening torque is applied (refer to paragraph 2. Continue with one final pass, torqueing the bolts in a clockwise sequence until all torque is uniform. Bolt Size TPI Proof Load (lbs) Clamp Load (lbs) Tightening Torque (ft lbs) Galv + Wax Tightening Torque (ft lbs) Galv Tightening Torque (ft lbs) Plain 1/4" 20: 3,350: 2,513: 5: 13. fine), bearing surface diameter (flange locknut/bolt vs. and Imperial Units Bolt Grades include 4. The bolt acts like a spring. The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. Torque Conversion Calculator Pasternack's Torque Conversion Calculator allows you to convert either a single torque or a torque range between Newton-meters, foot-pounds, and inch-pounds. 1 : Sep 29, 2015, 1:30 PM: Jim Mack: Ċ: Standard Bolt Torque Specs. Bolt torque Torque is the turning force measured in Newton metre (Nm) applied to tighten (turn) the nut on a bolt. The codes for heat exchanger designs allows Engineers to minimise flange geometry. ft K is friction factor (0. 9 ISO Metric Coarse Pitch Bolts & Screws Bolt Tension Corresponding to 65% of Proof Load Recommended Assembly Torque Diameter Pitch (mm) kN Nm M5 0. Values calculated using industry accepted formula T = KDP where T = Torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load, lb. When securing a fastener, use the torque specifications from the following tables. Flange Calculator. If you do not have the same bolt or a known identical copy, you’ll need to identify the type of bolt you need and procure it prior to installation. Torque bolts and nuts in a "CRISS-CROSS" sequence using a minimum of three torquing passes and the maximum bolt stress as defined. Bolt Torque Calculator. The diameter of the holes that are equally distributed around the bolt circle diameter Bolt circle diameter: the diameter of the circle on which the holes will be evenly distributed. (See Figure 20-601) When torquing fasteners which do not have a specific torque pattern called out, refer to the general torque patterns shown. Torque Data For Use with Alloy Steel Stud. BOLTCALC - Bolted Joint Analysis Program: bcdemo. A flanged PE pipe joint is an engineered assembly consisting of several components, likely to have been manufactured by a variety of companies and from varying plastic and non. 19) Flexitallic does not generally recommend a bolt stress above 60,000 PSI. Bolts should be brought finger tight and then tightened through the use of a torque wrench in strict sequence of diagonally opposite pairs. Torque Values for NPTF and SAE Ports on Hydraulic valves and cylinders Torque values for installing steel or malleable iron pipe plugs or fittings with pre-applied Loctite® 516™ banding are given below. They are of two types, metric flange bolts and metric hex bolts. php on line 143. Input work of torque on bolt (Courtesy of Curtiss-Wright) It is not surprising then that torque, the most common method for creating tension in a bolt, is also the least accurate method—the general consensus is that variation in bolt tension due to torque control is ±25% to ±35%. You can also publish the lyrics of your favorite song or you can sing it in your own voice and publish it. What happens as a bolt is tightened? When using a traditional wrench to tighten a bolt, the torque applied to the nut causes it to slide up the inclined plane of the threads. T = 21 lb-in. • Bolt tightening • Testing. Torque specifications for fasteners. Flange Data. This is mainly due to corrosion and deformations in the bolt and nut threads. waterefficiency. Using a torque wrench with a more reliable ultrasonic bolt gage can help you prevent bolt failures and flange leaks. Bolt type: 4 * 10-32 (SAE) Torque applied to the turntable. Install the new gasket, bolts and nuts. 68"-F Pilot 4. Let us know if you would like to see an ultrasonic bolt calculator on this page. POSITIVE offset number means the centerline of the flange is towards the outside of the rim. 5 Flat Face Flange - Class 300 Flange Size (in. Equipment flanges have an internal pressure that is highly application dependant,. The behaviour of the complete flanges-bolts-gasket system is considered. The greatest contributors to flange leakage are insufficient torque, un-even torque, and flange misalignment. Gasket Materials Page 5. Shoulder bolts (also known as stripper bolts) are used to create a pivot point. Topics such as proper bolt and gasket selection, flange face arrangements, alignment during installation, bolt-up patterns and the relationship between applied bolt torque and achieved gasket stress are discussed, and practical recommendations are provided to avoid some of the common installation pitfalls. 5 Torque Sensors - (190 companies) Torque sensors. 80 150 psi Bolt Torque 25FT-LBS. Retightening. 150# Flange Stud Bolt Chart. 25, and plain non-plated bolts (as received) =. , Chief Technology Officer, Aquatherm North America, outlines the steps to successful flange installations, such as ensuring proper alignment, gaskets, bolt kits, and torque. A 'prevailing torque' is required just to rotate the nut on the bolt. Bolt blending behavior is very much affected by the type of gasket used in a joint with blending behavior of all bolts is almost similar. 19 times less the value obtained for a=b or a/b=1. Used for attaching a rope or chain. Maximum Shear Stress. Apply minimal torque to take up any openings between the flanges. Torque Transmitted by Clutch Calculator. Joint Tightness 95 3. ; Torque extension for setting correct values; Torque tension to identify precise levels of torque to be applied for individual applications. For high-pressure, high temperature applications, retorquing may be necessary after startup to compensate for any relaxation or creep in the bolting assemblies. Apply the full rated torque to the flange bolts. 2: Speci fi ed bolt lengths are maximum allowable for maintaining proper clearance in initial Single-Side installation with Lugs where anticipated 2nd Flange installation option. Bolt Torque Calculation for Flange - Free download as Word Doc (. FRP flat flange face and the raised face steel flange can result in damage, lack of seal, or flange failure. Bolt Torque calculation for flanges 30 600# Studbolt diameter: Studbolt material: Formula used: 2 ASTM A193 B7. Determination of bolt torque for flanged connections C ontrolling the load is probably the most important criteria, together with suitable gasket selection for the application, to ensure a gas keted joint will seal properly. Flange Tables for the Water and Construction Industry Page 7. Commercial ones will specify the torque values depending on gasket type, flange rating, flange size, and thread lubricant used. Set the torque wrench to the 70% torque value and repeat step 2. HYTORC flange bolting calculator computes recommended torque values, bolting patterns, tool selection and pump pressure settings for standard ASME B16. This is can be dependent on a number of factors, but is largely a function of the preload force, the force exerted in compressing the bolt, and the tension force, the force exerted in pulling the bolt apart. Self-tapping screws and socket set screws require a torsional test to ensure that In "Bolted Joint Diagram 1", as the bolt is tightened, the bolt elongates (∆B). waterefficiency. Torque Conversion Calculator. Use the inside jaws to measure the diameter of one of the holes. This is the limiting condition, as the flange plate dimension a will always equal or be larger than the the gasket width. 15 for plated fasteners. NOS Spears PVCI 3" Pipe Flange Blank 4 Bolt Sch. ) 1/16" THK 1/8" THK No. PASS 1: Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. - up to 36 for M36) Bolt grade (8. PY - 2011/12/1. Install the new gasket, bolts and nuts. It is essential to know how to calculate the tightening torque of bolts to ensure your application works safely, without breaking. B7 bolt torque chart pdf, and assume Alloy Steel Bolts (A193 B7 w/ 2H Nuts) with oil/graphite lubrication. bolts torque value min to max range in foot lbs (lubricated only) 2" 5/8" 8 80-90. Generally 70% bolt yield is targeted. Where permitted, the Calculation method is an alternative to design validation by other means e. 15 for lubrication, 0. B7M or ASTM A320 Gr. pdf), Text File (. 625 11 9,040 52 88 11,865 68 115 ── ── ── 0. bolting torque table 5 - ptfe coated astm a193 b7 and astm 193 b16 stud bolts. Bolt Torques Lined Pipe and Fittings. For me, it all started with writing my diary for a student. Bolted Joints Bolt Load and Tightening Torque When using bolts to fasten the sealing joint the bolts must be of suitable strength and quantity to compress the seal and withstand the maximum hydrostatic load. NUMBER BOLTS TOTAL STUD SPECIFICATIONS FLAT FACE THREAD UNC STUD LENGTH * QUANTITY * 2” 20 4 5/8” - 11 2. 750 inch bolt diameter F = 920. Hire & Rent Controlled Bolting Equipment Worldwide. 0) TORQUE SPECIFICATIONS (RAM PICKUP) Application Ft. Focused on carbon steel weldneck ANSI 16. Regardless of the method selected a pre-bolting inspection is essential if an accurate and leak free joint is to be achieved first time, every time. A proper gasket installation, bolts with correct tension, and an evenly divided bolt strength must be adhered to to create a good flange connection. Torque bolts and nuts in a "CRISS-CROSS" sequence using a minimum of three torquing passes and the maximum bolt stress as defined. (note: enter 0 if threaded into flange) bolt length assumed equal total clamped plate thickness + hnut 3) Torque Tightening and Bolt PreLoad Calculation Method of torque tightening determines accuracy of bolt preload obtained. Numbering the bolts may be helpful in following the bolt sequence. 25 Bolt Circle SAGINAW CV 2003-2006 Rubicon Rear 2. AU - Kobayashi, Takashi. 5 Extreme Bolt & Fastener can match the material of your flanges with easy bolting kits. Thus the washer thickness shall provide enough strength for the bending and shear stress under the bearing. (See Figure 20-601) When torquing fasteners which do not have a specific torque pattern called out, refer to the general torque patterns shown. 5 Stud Bolt Flange Chart for the application is pulp & paper, chemical, Oil & Gas, or Power Generation, contact Lightning Bolt for all of your A-286 fastener needs. Garlock Bolt Torque Values for. Pressure (for STR-30 Torque Wrench) Torque Values for Linebacker Kits; Valve Selection. Software plays a key role in implementing an Integrity Programme for bolted connections, Hydratight pioneered the use of software to support bolting applications over 10 years ago. 28(17:16:04) 2 2 TOHNICHI TORQUE HANDBOOK Vol. Flange Connection Instructions. Torque Values are in ft. To install the larger sizes align the tongue and pocket of the couplings appropriately and tighten the nuts alternately to the specified bolt torque. By combining the torque-angle curves with a few simple calculations and a basic understanding of the. from precision medical instruments to high-performance robotic solutions, FUTEK products are designed to work in the most demanding environments - even on Mars. Imperial Units Metric Units. 45 = N l/s x 2. HYTORC Flange Calculator HYTORC flange bolting calculator computes recommended torque values, bolting patterns, tool selection and pump pressure settings for standard ASME B16. Software plays a key role in implementing an Integrity Programme for bolted connections, Hydratight pioneered the use of software to support bolting applications over 10 years ago. F = Target bolt load, N (lb) Example: Let us consider 1'' bolt of SA193 Gr. One of the rules provided applies to the calculation of the minimum required bolt area. In a bolted flange, the applied torque generates the axial load in the bolt. The calculation is designed for a geometrical design and strength check of a prestressed bolt connection, loaded by static or cyclic loading resp. php on line 143. from precision medical instruments to high-performance robotic solutions, FUTEK products are designed to work in the most demanding environments - even on Mars. The partial objective of the ASME Appendices ASME VIII Div. It is always recommended that studs be used for tapped blind holes typically found in the chest area of the valve. Bolt diameter 1/4 inch and larger. Re: How to Calculate a Specific Pressure by Applied Bolt Torque? 07/27/2011 11:35 AM if I understood your question, you want to know how to calculate the contact pressure of the plates from the torque on the bolts, but not how to measure it. Bolt Torque Calculation for Flange. BoltUp is Hydratight's simple to use web based calculator, built upon the Informate calculation engine, providing reliable, repeatable bolt loads. ) Raised Face Ring Joint 10” - 150# 12 7/8 4-3/4 5-1/4 10” - 300# 16 1 6-1/4 7 10” - 400# 16 1-1/8 7-1/2 7-3/4 7-1/4 10” - 600# 16 1-1/4 8-1/2 8-3/4 8-1/4 10” - 900# 16 1-3/8 9-1/4 9-1/2 9 10” - 1500# 12 1-7/8 13-1/4 13-3. Different pressure classes and. Bolt circle diameter is the measure from the center of a bolt hole to the center of the hole on the opposite side. Steel Pipe Flanges–Dimensions • Typical Facings for Steel Pipe Flanges–Drawings • Facing Dimensions for Ring Joints (Class 150-2500) • Ring Joint Dimensions– ANSI B16. The diameter of the bolt circle is d = 250 mm. Bolt Torques Lined Pipe and Fittings. Valve Body-To-Transmission Case Bolt 106 (12. You may choose between torque or tension as your tightening method and all calculations include hydraulic tool pressures based on tool selection. Flange Bolt-Up Bolting Torque Table 2 The torque tables are built on specific assumptions regarding bolt and nut factor. The greatest contributors to flange leakage are insufficient torque, un-even torque, and flange misalignment. Bolt Size TPI Proof Load (lbs) Clamp Load (lbs) Tightening Torque (ft lbs) Galv + Wax Tightening Torque (ft lbs) Galv Tightening Torque (ft lbs) Plain 1/4" 20: 3,350: 2,513: 5: 13. Every 50 Hours – After the first 25 hour recheck, it is Mandatory that the propeller bolt torque be rechecked every 50 hours. 15 for lubrication, 0. Torque specifications for fasteners. ASME also sets the standards for flanges and bolt dimensions through the ANSI accredited ASME Standard B 16. the rel,atlon between tightening torque and bolt tension. Bolted Joints Bolt Load and Tightening Torque When using bolts to fasten the sealing joint the bolts must be of suitable strength and quantity to compress the seal and withstand the maximum hydrostatic load. It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. Joined: Jun 29, 2010 Member: #39599 Messages: 2,292 Gender: Male Pasadena. Design of flan ge coupling includes the design of hubs, flanges, key and bolts [4]. 2) use weaker bolts - same idea as above. Bolted Connection Calculation Example. Grade 8 hex head. 5 Flanges - Spiral Wound Gaskets. 7) MAX BOLT PRELOAD - The bolt preload is the amount of tension that is generated in a bolt when the tightening torque is applied. Start angle: The 0° angle is to the right in the "X" axis and aligned with the center of the bolt circle in the "Y" axis. Client Site Gasket, Flange Assembly and Flange Design Training Programs 8140 Quality Drive Prince George, VA 23875 800-334-6013 vsptechnologies. Torque is the turning force measured in foot-pounds (ft-lb) or inch-pounds (in-lb) applied to tighten (turn) the nut on a bolt. The washer shall be big enough to spread the maximum preload on the flange or the insulation material. Nut Factors are generalized averages that may vary greatly given all of the variables in any bolted joint, but are useful in approximating theoretical torque values. In a bolted flange, the applied torque generates the axial load in the bolt. Mating surfaces and bolt thread conditions can vary widely due to factors such as: relatively loose nut and bolt thread manufacturing tolerances for threaded fasteners,. Built from high-quality steel to deliver the ruggedness and durability you're already getting in the axles in your Jeep JL or JT, 1350 Series driveshafts are engineered for applications that require high horsepower and torque. Bolt Torques Lined Pipe and Fittings. 5" 80000 for ASTM A193 Gr. 68"-F Pilot 4. Testing was undertaken within a laboratory to explore the effect of re-using bolts with and without lubrication, in order to. Applications. EZ Calc - Bolting Calculator An Oline Tool to Estimate Required Torque Values. NOTE 3: This table does not take flange strength into consideration. At the rated torque for the bolt the tensile stress in the bolt is 75 percent of the tensile strength. Bolt Torque Values - THERMAPAC ® (Full Face Gaskets / Flat Face Flanges) Full Face Gaskets on ASME B16. The greatest contributors to flange leakage are insufficient torque, un-even torque, and flange misalignment. That resulting load on the gasket is then divided by the number of bolts on the flange to determine the load per bolt. Bolts are an integral component of the flange assembly. A bolt with a circular ring on the head end. Product Selection i. In case of flanges above 12" NB distance between the flanges shall be measured in 8 locations for uniform tightening. Friction that acts in the threads of the bolt and under the bolt head dissipates the majority of the tightening torque. If the peak torque RPM in the left column is high enough, your pipe is not a restriction. The behaviour of the complete flanges-bolts-gasket system is considered. B7 is required for flange joint material with nut factor of 0. 2 A torque T 0 is transmitted between two flanged shafts by means of ten 20-mm bolts (see figure and photo). 50” 2 3” 20 4 5/8” - 11 2. 8443) Sp is proof strength (105,000 psi) D is nominal outside diameter of bolt (2). Also includes Flange Compression Calculator. If your primary pipe's wall thickness is 16ga. The calculation method is based on an axially symmetrical mechanical model, taking into account the whole flanges-bolts. Calculate Torque. 1 Appendix XI provide "Rules for Bolted Flange Connections" with ring-type gaskets. The software will calculate as well as recommend bolt load / stresses for your bolted applications. ) 1/16" THK 1/8" THK No. pipe flanges. Bolted Connection Calculation Example. Torque For Flange Bolting (B7/L7 Studs)* Stud Diameter Tension Size Ibf Torque Torque Torque Torque Inch Nm Ft. The greatest contributors to flange leakage are insufficient torque, un-even torque, and flange misalignment. 5 "Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard" (2017). The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. _: EXPERIMENT Apparatus i'i Photographs and a dimensioned sketch of tile bolt and simulated flanges l_,_" are shohm in figures l(a), l(b) and l(c), The bolts which are used In tile l_. 45 = N l/s x 2. NOTE 4: Apply torque in increments. Set the torque wrench to the 70% torque value and repeat step 2. Send Inquiry. For me, it all started with writing my diary for a student. All values other than suggested torque amount are sourced directly from flange bolt charts and flange torque charts in the ASME B16. Flange Bolting Chart. The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. The original company was established in 1966 and purchased by the current management in 1981. The flange assembly design, and written assembly specifications, are controlled by the pipeline designengineer or project engineer. The partial objective of the ASME Appendices ASME VIII Div. This route often is used when a custom appendix 2 flange must mate up to standard flanges such as B16. We measure torque by multiplying two factors—amount of force applied and distance from the point of application. Torque calculations are based on the simplified formula explained in the current version of ASME PCC-1, Appendix K. but I don't think this is it. 2) All bolts have the same accurate residual bolt load. Torque and stress - strain calculation and formula. Software plays a key role in implementing an Integrity Programme for bolted connections, Hydratight pioneered the use of software to support bolting applications over 10 years ago. This behaviour is to be ex-pected because the parts of the flange which are open-ing have a lower stiffness than the parts that are still in contact. I am looking for a way to calculate the "allowable stress" in pounds per square inch to use in a formula to allow torque for bolts. Using a torque wrench with a more reliable ultrasonic bolt gage can help you prevent bolt failures and flange leaks. NOTE : This calculator takes into account for the rims outer lips which seem to be standard at 0. Before using a given torque table, these assumptions should be verified to insure they are appropriate for the specific application. ) 1/16" THK 1/8" THK No. The Bolt Torque Formula The formula that expresses the relationship between the … Continue reading How to Calculate the Tightening. Torque bolts and nuts in a "CRISS-CROSS" sequence using a minimum of three torquing passes and the maximum bolt stress as defined. Bolted Connection Calculation Example. Reference literature: "Theory and calculation of threaded fasteners" Akira Yamamoto (Yokendo Co. Bolts expand, reducing bolt torque, and creep increases. 1350 Flange CV Heads * Please select 2. If you do not have the same bolt or a known identical copy, you’ll need to identify the type of bolt you need and procure it prior to installation. Carbon steel is the cheapest and most common bolt material. Then hand tighten till they are snug against the flanges. The Width of the gasket equals the width of the cover / flange (a=b). In a flange norm calculation, the total bolt area is important for a leak-proof seal. 2 Using Belleville Springs to Maintain Bolt Preload 2. The total clamping force for the whole flange is 27648 lb. Flange Bolting Chart - ASME B16. All values other than suggested torque amount are sourced directly from flange bolt charts and flange torque charts in the ASME B16. AU - Omiya, Yuya. 5 foot lbs The bolts are 18-8 Stainless Steel with a minimum tensile strength rating of 70,000 psi. While the head bolts are being torqued to the specified value, the technician can use the TRQ-1 tool to accurately measure the degrees of additional rotation required. For high-pressure, high temperature applications, retorquing may be necessary after startup to compensate for any relaxation or creep in the bolting assemblies. All Torque Requirements Are Dependant On Gasket Material Bolt Torque and Stud Specifications - ASME #150 Flange Connections MOUNTING FLANGE BOLT TORQUE - Ft. The aim of the calculation method described in EN1591-1 is to analyse the BFC behaviour for given load conditions and to check the admissibility of the BFC at all the load conditions for a given initial bolts tightening. EN 1591-1 released as an European Standard in 2001 Amendment A1 of EN 1591-1 released as an European Standard in 2009 leak tightness and strength criteria are satisfied behavior of complete flanges-bolts-gasket system is considered Calculation method for gasketed circular flange connections with gaskets inside the bolt circle and without metal. Bolt Grades I have been on a quite a few online email lists over the last 7 years or so, basically since they first came out. Grip length is the length of the unthreaded portion of a bolt's shank. Calculate Deflection for Solid Round Beams. View the engineering data for trapezoidal screws & nuts and shop online for your power transmission needs. Use recommended torque values above to achieve a good seal. Enlarging the fastener-head bearing diameter by 35%, say by replacing a standard hex-head fastener with a hex-flange-head, cuts bolt tension by 8% for a given torque. I feel this is too high. 5 foot lbs The bolts are 18-8 Stainless Steel with a minimum tensile strength rating of 70,000 psi. • Gasket Installation 3 Overcoming Flange Imperfections Distortion trough Surface imperfections Scorings Non-parallel mounted flanges The­Gasket A gasket is a compressible material, or a combination of materials, which when clamped between two stationary members prevents the passage of the media across those members. a % of bolt yield. Torque can be measured during flange assembly with a properly calibrated torque wrench. Flange Tables Flanges are commonly used to connect valves into pipework making it easier for removal and maintenance. If the peak torque RPM is lower than where you feel your torque peak is, look for the pipe OD on the line with your torque RPM. Torque For Flange Bolting (B7/L7 Studs)* Stud Diameter Tension Size Ibf Torque Torque Torque Torque Inch Nm Ft. 28(17:16:04) 2 2 TOHNICHI TORQUE HANDBOOK Vol. This route often is used when a custom appendix 2 flange must mate up to standard flanges such as B16. Bolt circle diameter is the measure from the center of a bolt hole to the center of the hole on the opposite side. Accepted formulae relating torque and tension,based on many tests are:-M =P x D 60 or for metric sizes:-M =P x D 5000 These formulae may be used for bolts outside the range of the tables, M =torque lbf. CALCULATION OF TARGET TORQUE FOR BOLTS (ASME PCC1) The Target Torque required to tighten. By : bindrdn. Bolt Torque Calculator The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. ©Solon Manufacturing Co. The ICE bolting system is the culmination of nearly 50 years of research and development dedicated to industrial bolting. (45-60 ft-lbs for 3 inch and 4 inch and 75-90 ft-lbs for 6 inch through 12 inch) 5. COMMITTED TO SUSTAINABLE PRODUCTIVITY. Study of Bolt Load Loss in Bolted Aluminum Joints Bolted joints are used widely in mechanical design and represent a weak link in a system where loss of joint clamping force can lead to degraded product performance or human injury. Bolt Load Calculator; Flange Calculator; Torque Calculator; Pressure Switches. Torque each nut to approximately 60% of the required torque. Start angle: The 0° angle is to the right in the "X" axis and aligned with the center of the bolt circle in the "Y" axis. Enlarging the fastener-head bearing diameter by 35%, say by replacing a standard hex-head fastener with a hex-flange-head, cuts bolt tension by 8% for a given torque. 4mm Outside Diameter of Flange Diameter Of Raised Face Diameter Of Bolt Circle Diameter Of Bolt Holes Ring. Built from high-quality steel to deliver the ruggedness and durability you're already getting in the axles in your Jeep JL or JT, 1350 Series driveshafts are engineered for applications that require high horsepower and torque. The bolts transmit torque from one flange to the other flange, and th en to shaft. This torque will induce 2304 lb tension in each bolt. For a particular bolt, the magnitude of its preload force is related to the tightening torque of the bolt, the friction between the bolt and the nut, and the friction between the nut and the connected part. The codes for heat exchanger designs allows Engineers to minimise flange geometry. Friction that acts in the threads of the bolt and under the bolt head dissipates the majority of the tightening torque. Many sizes feature a serrated bearing surface. (See Figure 20-602). A static seal is a packing, designed to go between two rigid parts of a container in an essentially stationary relationship. ” From a practical perspective, the bolts in this case are likely to encroach. Topics such as proper bolt and gasket selection, flange face arrangements, alignment during installation, bolt-up patterns and the relationship between applied bolt torque and achieved gasket stress are discussed, and practical recommendations are provided to avoid some of the common installation pitfalls. Torque wrenches are relatively cheap items and we recommend purchasing and using one, to avoid potential damage to plastic pipe parts. If you still have the bolt you removed from the aircraft or a supply of identical bolts, replacing it is simply a matter of ensuring the bolt is undamaged, then finding and applying the right torque. Using proper bolt lubrication practices will allow assemblers to achieve the ideal torque with a low degree of bolt scatter (which we define as differences among torque levels on different bolts holding together the same flange). Intro to nut torque and bolt threads. Jim Paschal, P. Different pressure classes and. Integrated Bolting Calculator The HTL Flange Management System is supported by and includes an easy to use calculator providing recommended bolt loads, bolt stress values and torque and tension values, all derived by using industry standard calculation methods based on the characteristics and operational parameters of a wide range of gaskets. If during operation of the torque measuring flange, a torque about an axis of rotation 7 of the torque measuring flange 1 on the connecting flanges 2. d T is Torque in Lbs. Custom Bolt Tightening Solutions Standard Product Bolt Tightening Solutions We are very aware that there are many diverse and spe-cialised types of bolted joints being used throughout the industrialised world. The above table gives torque settings for plastic flanges, whether using metal or PVC backing rings. Torque each nut to approximately 60% of the required torque. Gee-Force Hydraulics, part of the HTL Group, specialises in the sale and hire of hydraulic torque wrench equipment and other bolting equipment including hydraulic bolt tensioners, pneumatic and electronic torque wrenches, battery wrenches, hand torque multipliers and wrenches. Seat the flange by alternate tightening of four equally-spaced flange bolts no more than 1/4 turn per bolt, until the flange faces seat. 5% of reading from 20% to 100% of full scale). The tightening torque equals the total torque applied minus the prevailing torque. B7 is required for flange joint material with nut factor of 0. Determination of bolt torque for flanged connections C ontrolling the load is probably the most important criteria, together with suitable gasket selection for the application, to ensure a gas keted joint will seal properly. 1, the EN 13445-3 and the EN 1591-1 calculation codes. Norbar has devised easy-to-use online calculators that support the correct application of torque in three key areas: Unit conversion to assist international measurement definitions. For other applications or questions, email [email protected] Tightening flange bolt connections precisely and simultaneously in one operation with Bolt Tensioning Cylinders type segment. The software was designed with the philosophy of minimal input, maxi-mum output. They have a large, flat head. 15 for plated fasteners. Related Topics. The nominal torque necessary to tighten the bolt to a given preload can be determined either from tables, or, by calculation using a relationship between torque and the resulting bolt tension. If the gasket width is equal to one half of the flange width, the bolt spacing correction should be 1. American Water Works Association has the resources and tools you need to progress as a water professional. The recommended torque for the application. The user must verify these conditions, as outlined, are appropriate for the specific application. com 2500 Wilcrest Dr # 300 Houston, TX 77042 Bolt Torque Calculator for Flange Bolting. If the peak torque RPM is lower than where you feel your torque peak is, look for the pipe OD on the line with your torque RPM. WEIGHTS MACHINE SCREWS & Type 1, 23, F and G TAPPING SCREWS LBS. Example: bolt and nut are both phosphated; required torque = torque recommended x 0. The torque spec. Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents. 9 ISO Metric Coarse Pitch Bolts & Screws Bolt Tension Corresponding to 65% of Proof Load Recommended Assembly Torque Diameter Pitch (mm) kN Nm M5 0. This assumes that you are using standard AN bolts. | 425 Center Street | Chardon, Ohio 44024 Toll-free: (800) 323-9717 | Phone: (440) 286-7149 | Fax: (440) 286-9047 ISO 9001:2015 Certification. 中国国产一级毛卡片-国产农村一级毛卡片-天狼国产一级毛卡片. While tightening the bolt with torque wrenches (for pipe / Manway flanges) ensure that tightening load to each bolt is applied as uniformly as possible. The torque chart is for reference only and assumes properly lubricated ASTM A193 B7 stud bolts with ASTM A194 2H steel nuts. Moreover, the flange weights resulting from a DIN calculation are in many cases much lower than the weights resulting from a Taylor Forge calculation: this means that the DIN flanges do not have the same capacity as the Taylor Forge flanges to withstand overloading of the bolts. What readers will learn in this article: Bolts and studs behave like springs when loads are applied. Bolts that are fully or partially threaded, with washers and nuts are called as metric bolts. Because the highest stresses in a bolted flange are highly localised and dissipate over a very short distance, it is acceptable that the calculated longitudinal stress. These bolt tor que values are intended for use as guidelines only and are based on ideal conditions, perfect flanges, flange alignment & new well lubricated bolts/nuts according to the nationa l boiler code, installed in accordance with the PSI Flange Makeup Procedure. Bartonicek2) 1) AMTEC Services, Lauffen, Germany e-mail: [email protected] In general, it is better if the bolt fractures, especially if the internal threads are in a casting or workpiece, since if a Heli-Coil™ or similar repair cannot be made, the piece is ruined. 13 1/2" 7450 48 35 80 59 5/8" 11865 92 68 155 115 3/4" 17559 160 118 270 200 7/8" 24241 253 188 429 319 1" 31802 376 279 639 474 1 1/8" 41499 540 401 925 686 1 1/4" 52484 745 553 1285 953. Start angle: The 0° angle is to the right in the "X" axis and aligned with the center of the bolt circle in the "Y" axis.
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