Bolt length calculation for flanges.

• Bolt length calculation for flanges The height of a nut for a Stud Bolt is the same as the diameter of the thread rod. As you can see below, I have assigned a 0 in the type column. 06 in Ring Joint 1/2 4 3/4 3 1/4 7/8 4 3/4 4 1/4 4 1/4 NPS calculated bolt stresses of 154 MPa (for the 1 in. Length of Stud Bolts [Note (1)] NPS Outside Diameter of Flange Diameter of Bolt Circle Diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face 0. 3. Jun 20, 2023 · Flange Thickness + Minimum Bolt Engagement Equal to the Bolt Diameter = Length of Bolt Stud Length Washer Thickness + Nut Thickness + Flange Thickness + Minimum Stud Engagement Equal to the Stud Diameter = Length of Stud (Plus 2 Threads for Studs) NOTE: Lug Threads may be tapped from both sides and therefore tap may not be continuous. 375 For a 30" 300# RF flange, your formula would call for a stud length of 11-5/16". See the instructions within the documentation for more details on performing this analysis. , are the thicknesses of the materials being bolted together. No. Bolt Lengths and Sizes: Bolt length and diameter are determined by the flange standard used.   I understand how to make Lap Joints work with stud This section covers design basis and calculations related to design of flanges. naver. 2) Design parameters like material properties, pressures, and stresses. 69 - (2x16) + (16+16) + 22 = 91 . Texas Flange Drawing Maximum working Pressure psia 25 Ref. If this is not the case, the optimum flange thickness must be found in an iterative way. Weights are in pounds. If the flange and bolt set thicknesses differ, it subtracts the bolt set thickness from the bolt length and adds the Blind flange dimensions, tolerances and required stud bolts, ASME B16. It is not unusual to increase bolt size because the torque tightening method cannot guarentee a minimum preload. Diameter and Lengths of the stud and bolt are covered in flange standard ASME B16. Hexagon head bolts are most common, along with stud bolts in some high temperature applications. We measure our studs from End to End, which includes the chamfered points. 5 Below is ASME B16. 5 Flanges Cont. The stiffness of the threaded portion in the grip is given by: where A t is the tensile stress area and L thd. 5 to 2 times. Flanges Calculator - Options. 5mm thick sealing element, which is compressed to 3mm while tightening Table with dimensions of Stud Bolts used with Raised Face Flange connections, Pressure Class 150-900, ASME B16. Yours doesn't seem too short to me. 1. The flanges are interconnected by n bolts with a However, if you change the flange to a different size or type the modified value will be lost. The theoretical length of a stud bolt can be calculated using the formula L = 2 (s + n + h + rf) + g, where s is the free thread length equal to 1/3 the bolt diameter, n is the nut height equal to the bolt diameter, h is the flange thickness, rf is the height of any raised face, and The document outlines the method for calculating stud bolt lengths according to ASME B16. xls / . Length shown in tables results from rounding as specified in paragraph 2. 10. Example 1: Welding neck Flanges with a In this article, I have covered Flange Bolt Chart and Flange Stud Size. spectacle blind, wafer type valves etc. Other types of flanges including blind flanges may require different bolt lengths. of Bolts Dia of Hex Bolts Length of Hex Bolts Length of Stud Bolts Dia of Stud Bolts PN16 No The length L does not include the height of end points or chamfers. txt) or read online for free. Sep 2, 2008 · This enables all bolts to be tightened simultaneously with a great degree of accuracy and speed not possible through torquing. Bolt lengths may vary due to manufacturing tolerances in valves, gaskets, flange bolts and flanges. Stud Bolt Dimensions for Class 1500 RF Flanges. How do I show this calculation. It includes the bolt dimensions (including the size of the hex nuts & length of stud bolts), the different lengths of studs needed for RTJ’s and Raised Face Flanges, and the number of fasteners in each flange! 2. Mar 1, 2022 · Below is a flange bolt chart that shows that the stud bolt lengths got both ASME B16. Units. 5-2009. Flanges 600 LB. 47 series A/B flanges dimensions & weights class 300, 400, 600, 900 up to 60 inches with stud bolts requirements (#bolts, diameter) The article shows the ASME B16. 5 Table7 the length is 6. youtube. Studs are measured parallel to the axis (L) from the first to the thread without the chamfers (points). Slip-On flange calculations can be used for Socket flanges greater than 3" as the calculations are identical and the Slip-On flange database includes sizes up to 48". Dimensions Stud Bolts for RF flanges ASME B16. LENGTH RF LENGTH RTJ Where Class 300 steel flanges are bolted to Class 250 cast iron flanges, the gaskets should be made of Annex C, Group No . In these tables, the The Bolted Joint Analysis calculator allows for stress analysis of a bolted joint, accounting for preload, applied axial load, and applied shear load. g is the length of the threaded portion within the grip. 4. e. 06 in Bolt lengths may vary due to manufacturing tolerances in valves, gaskets, flange bolts, and flanges. ) No. 3: Nominal Pipe Size: Moments (N-m) Rating: Sum of Bolt Area (sq mm) Bolt Length Calculator. 5 class 150 flanges without flange gaskets. 2 Bolts Subjected to Shear, 71 4. S. bolt size used in the NB 300 flange), are significantly lower than those that This calculator provides the tightening torque and minimum bolt length to correctly install flanges. Aug 4, 2020 · I realize this has been brought up may times throughout the years, but is there a way to control the calculation of bolt lengths. Dec 27, 2024 · From understanding the nuances of nominal pipe size (NPS) and bolt length calculations to exploring the different types of flanges and their industrial applications, this guide is your key to mastering the complexities of ASME B16. Stud Bolt Dimensions for Class Flange diameters, thickness, bolt circles, numbers and diameters of bolts for ASME/ANSI B16. The length of the Stud Bolts includes one Spiral Wound Gasket with a 4. com/watch?v=dzeZCENqM Jan 10, 2024 · I looked at the 2020 edition. Customary units with diameter of bolts and flange bolt holes expressed in inch units; Method for calculating Stud Bolts - Free download as PDF File (. Flanges 900 LB. 7 Maximum Pressure psig Nov 20, 2024 · You would like to know, how AutoCAD Plant 3D calculates bolt lengths for standard flanged connections. My table would call for 11-1/4". To determine the bolt dimensions standard tables are used where the bolt dimensions and fitting dimensions are given as a function of the bolt diameter. The document provides guidelines for calculating the proper length of stud bolts for flange joints based on ASME B16. 9 Effect of Nut Strength, 69 4. 5 (2009), the Method for Calculating Stud Bolt Lengths is Aug 22, 2007 · My table of stud lengths would correspond to a recommended length as follows: Stud length = (flg thk x 2) + (gasket) + (stud dia. It offers some tools for a complete design of a bolted joint, reported in different woorksheet sections: Calculus of bolt distances from edges Standard useful tool to evaluate the distances between bolts and from plate edges as per EN 1993-1-8. As gasket load requirements for standard flanges generally fall within the mid-range of the bolt loads, gasket stress has not been used to calculate torque values. 7 Use of Washers, 65 4. The bolt length depends on the flange and gasket thickness. For example, a conventional thread-forming screw applied in 12 The Width of the gasket equals the width of the cover / flange (a=b). 5 150#, 300#, 600# Stud Bolt Flange Chart information that can assist engineers and pipe fitters with calculating the number of fasteners associated according to flange size. xlsx), PDF File (. ZSPEC resilient seated butterfly valves are designed to fit between ANSI B16. 6 Galvanized Bolts and Nuts, 63 4. It allows a single bolt set to be defined with a table of standard lengths, then uses the flange thickness values to determine the correct bolt length for a given flange joint. Stud bolts dimensions for ASME B16. It also demonstrates Torque calculations are based on the simplified formula explained in the current version of ASME PCC-1, Appendix K. The design and selection of components for flanged joints connecting PE pipe to PE pipe, or PE pipe to metal pipe are based on lower interfacial pressures than those May 31, 2023 · Dimensions of Type 6BX flanges for 10000 psi (69 MPa) rated working pressure. where A nom is the bolt nominal area, E bolt is the elastic modulus of the bolt material, and L shank is the length of the bolt shank. Also used as the length of bolt in the joint. ANSI B16. The only exception to this rule is for a flat head screw. Flanges includes Lapped, Socket, Slip-On and Welding Neck flanges in its database of 600 design and sizes. Refer to nonmandatory Appendix D for the method to calculate bolt length. S = free threads equals 1/3 time bolt dia Hex bolts are measured from under the head to the top of de bolt. Calculate ASME B16. 5 RF and RTJ flanges class 150 (in millimeters) NPS STUD BOLTS DIAMETER in. On flat head screws the length of the bolt is measured from the top of the flat head to the Oct 8, 2023 · How the bolt set are calculated if lap-flanges are included? The normal bolt set calculation is: Length of the bolt - flange thickness (bolt set property) - flange thickness (bolt set property) + flange thickness (flange property) + flange thickness (flange property) Note: If lap-flanges are included, modify the flange thickness of the lap-flange to include the coil thickness of the flange (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. The length is rounded to the nearest integer divisible by 5. The table lists the pipe size, number of bolts, bolt This document contains calculations for the design of a flange joint, including: 1) Dimensions of the flange, gasket, bolts, and related components. In order to ensure that the final bolt length fits a standard length for ordering, a bolt length table is looked up Each kit contains fasteners, nuts, washers and lock washers of the same material as your flange. Jun 10, 2024 · As shown, the Flange Thickness is 15mm and Bolt Length is 60mm, but when create in p3D, the bolt length shown is 70mm. ) Bolt Diameter (in. Doesn't it suppose to calculate like this:bolt length(60) + flange thk(15) + gasket(3) + flange thk(15) = 93mm (should stated ~ 95mm) Please help how to do Dec 27, 2022 · It measures how deeply a bolt or screw gets seated into a threaded hole. ) As per Nonmandatory Appendices C of ASME B16. Length Flange Bolting Change 1213 LP. Sep 7, 2024 · The correct calculation of bolt length is crucial in pipe flange connections to ensure proper assembly, prevent over-tightening, and minimize the risk of damage or failure. Use of smaller inside diameter flange connections may result in obstruction and damage to the valve disc. The following formula was used in establishing stud bolt lengths listed in the tables and is included here for the convenience of industry. X 2) + 0.   It works okay but it still does not give enough length to include Heavy Hex nuts. 45in. The length of the Stud Bolt does not include the height of the chamfers (points). bolt size used in the NB 300 flange), are significantly lower than those that Oct 5, 2024 · A: The bolt length is affected by several factors, including the nominal bolt diameter, the grip length, the washer thickness, and the nut height. 11 Large Diameter Butterfly Flange Bolting 2. Bolts: The Bolt selection mechanism does not select an individual bolt by the size (diameter) of bolt required but rather it will select the predefined “set” sized for a standard bolting of each facing, rating and size. How to calculate bolt length for flanges. An end point is defined as an unthreaded length, chamfer or bevel, which extends beyond the thread. 47 dimensions of Large-Size Flanges Classes from 150 to 900 (NPS, ID, OD, Thickness, and bolting details, tolerances) - from 26 to 60 inches. the flanges or 10mm thick but I have valves with 18mm flanges and wafer non-return valves. Bolt length calculator excel. (2)- Bolt diameter should be 1/8″ less than the bolt hole diameter. CAUTION: Dimensions provided for flange bolting are intended only as a guide. 5. A single bolt set can now be defined with a table of standard lengths. For example, a conventional thread-forming screw applied in 12 Flange Hole Calculator. Description. Input Required. Some models utilize a raised resilient bead for flange sealing. 0b. These bolts can be created by using a zero type in the catalog. 19. 47 for larger sizes. As always, if you have technical questions, please contact our engineers at 888-393-4517. New Xylan 1014 (manganese-phosphate plate) coated steel bolts and nuts without 1/4 in. 2 with regard to the flange calculation critically and point out the advantages but This document provides bolt length calculations and tables for various flange connections on a project. Flange Ratings. Users may select other bolting lengths. i did not do any other setting, only changing value as in image. 3 service can be achieved through two methods: 1. New Xylan 1052 (zinc-chloride plate) coated steel bolts and nuts without 1/4 in. Bolts Dia. Bolts inch Stud Bolts mm Mach. Steps to complete in the Spec Ensure that the loose flange has the correct facing set in the 105 Decker Court, Suite 825, Irving, TX 75062 P: 469-499-1044 F: 469-499-1062 www. 5 Class 600 standards. We provide ANSI, API, and AWWA pipe flanges in carbon steel, stainless steel, alloys, and chrome steel. HR Bolt to EN 14399-3:2015 / HR Countersunk bolt EN 14399-7:2018 Jun 10, 2024 · As shown, the Flange Thickness is 15mm and Bolt Length is 60mm, but when create in p3D, the bolt length shown is 70mm. Valve Data Sheet Atmospheric pressure at wok side psia 14. I have tried to link the bolt mapping but keeps showing just one size of bolts. Dimensions are in inches. The final norm calculation will show whether this flange thickness t is sufficient. 10 Basis for Design Recommendations, 70 4. From the table, the size, quantity, and standard length (normal joint of Flange-Gasket-Flange) will be Jul 16, 2016 · Bolt Length Calculations and Tables. Bolts inch Stud Bolts mm CLASS 600 L No. 2) Lengths shown are maximum allowable; all others are minimum allowable. Length Machine Bolt Stud Qty. Lug 125 Threads Per Inch Number of Tapped Holes Through Blind Qty. Calculate flange bolt design load, design stress and flange design pressure. If you calculate the stud-bolt length according the "guidelines for stud-bolt calculation" for a NPS 24 Class 150 welding neck flange, the stud-bolt length should be 7. Key details about the DIN EN 1515 standard and related flange specifications: Calculate bolt pretension from screw Bolt lengths may vary due to manufacturing tolerances in valves, gaskets, flange bolts and flanges.   I have mapped a custom Bolting for a spec. Through Bolted Component Thickness. Example Calculation Consider a scenario where you need to secure a flange with a bolt of diameter 2 inches, the thickness of the main material is 5 inches, and there are additional packing nuts Bolt Length calculation - Free download as Excel Spreadsheet (. Shaft flange connections can be used in heavily loaded shaft lines, providing accurate alignment, but are too large as compared with other connections. Does anyone have any experience with this or have any good tutorials. Details of the Bolts Used and Bolt Configuration. ) Standard Valve Valve with Lug Inserts True Lug Valve Bolt Lengths1 (in. ASME B16. com/jtechsolution/3421* LAP JOINT 등 볼트 CATA에 기입된 FLANGE A: Neither the grip length or threaded length provide information on the overall bolt length. thick washers. How to measure a flange bolt. Design Loads (Moment, Shear, and Axial). It calculates the center of the connection and the bolts shear forces along each axis. Features: Bolt diameter . 5 (2009). It lists the stud bolt length in millimeters for various flange sizes from 1/2 inch to 24 inches in diameter and classes from 150 to 900 based on a formula that accounts for the flange thickness, raised face thickness, nut thickness, and gasket thickness. plasticpipe. Flanged connection bolt length calculation. (2) The lengths of the machine bolts are measured from under the head to the top of the bolt. the flange resulting in damage, serious injury, or death. The calculated The major factors which contribute towards the calculation of the stud bolt length are: Flange rating, dimensional standard, type & thickness of gasket, flange facing, sandwich type components (eg. This is for informational purposes only. This article reviews the commonly used formulae for calculating bolt length and highlights the importance of considering various factors that can affect the accuracy of the May 15, 2020 · Bolt length calculator (4/16) Description. - lb. Calculation Preview. Related Post(s) See full list on calculator. Bolt configuration. 4) Determination of required bolt area, number of bolts, and design bolt load. com | usasales@usa-fastener. Added Jul 16, 2019 in Engineering. Key details about the DIN EN 1515 standard and related flange specifications: Calculate bolt pretension from screw Dimensions for Classes 400, 600 and 900 NPS 38 and larger for Series A flanges are the same as for the Series B flanges. For subsea flanges, it's usually 1. Flanges 150 LB. The document provides the formulas for different connection types and explains how to check calculations by viewing component property values. The method uses equations that calculate the stud bolt length (LCSB) and machine bolt length (LCMB) based on factors like flange (1) For reference only. 2 Appendix 2 Client Bolt Standard dbolt Bolt Size (Specify M-Type , ISO)= Gasket Number Jun 20, 2023 · Flange Thickness Flange Thickness X2 Hex Head Bolt Hex Head Nut Thickness X2 Recommend 2 Threads Beyond Nut Per Side to Determine Overall Length Minimum Bolt Engagement Must Be Equal to the Bolt Diameter Lug Valve Hex Head Bolt Length FlangeLength of Stud Thickness + Minimum Bolt Engagement Equal to the Bolt Diameter = Length of Bolt Stud Dimensions of the I Beam Section. Flange bolt sizes and lengths in mm. calculated bolt stresses of 154 MPa (for the 1 in. (1)- Bolt lenghts are calculated based on bolting one WN to one Blind. Imperial: SI (N, mm) Equivalent Pressure Check: NC-3658. 2 with regard to the flange calculation critically and point out the advantages but Calculate ASME B31. But if both are different we subtract the bolt set FlangeThickness from bolt set bolt length, add the flange FlangeThickness Oct 26, 2021 · * Bolt Length Calculation 관련 PLANT 3D & P&ID 까페 게시글 참조 https://cafe. Calculates a suggested bolt length based on material thickness, bolt diameter, and number of nuts, assumes Then the Bolt Calculation collects the values of various properties of the 3D objects involved in the connection. - Tables with bolt lengths for different flange material grades, pressure ratings, and equipment. L = 2(T + t + d) + S + 2(P) Where: L Bolt Reference Charts for ASME B16. Andrews Fasteners Bolt Length Calculator for BS EN 14399 High-strength structural bolting assemblies for preloading (System HR). Depending on the tolerances, the connection make-up bolting force may react on the raised face of the flange when the gasket has been properly seated. If both are equal (or one is not set) and it’s no wafer component we use the bolt length defined inside bolt set . Flange qualification for B31. Note: Larger sizes as well as intermediate sizes can be furnished. of Bolt Holes Bolt Torque (ft. So in summary, DIN EN 1515 provides bolt dimensions, EN 10921 defines flange specs and required bolt sizes/numbers for different PN 3. PSV Nozzle Thickness. 15 - Cast Bronze Threaded Fittings - 150 lb Bronze flanges with plain faces. ) Bolt Threads per inch Flat We would like to show you a description here but the site won’t allow us. It includes the stud bolt length in millimeters calculated using a formula for flange sizes from 15mm to 600mm diameter pipes in Classes 150, 300, 600 and 900. (NPS) Nominal Pipe Size 16 Flanges - ASME B16. 5. The following chart shows the quantity and size of bolts or studs require for a particular flange size and class. 5 & B16. Designing according to ASME BPVC Section VIII Division 1 Appendix 2 2. 641. The document describes new bolt length calculation capabilities in AutoCAD Plant 3D 2013. Jul 16, 2016 · Bolt Length Calculations and Tables. CLASS 300 L No. Bolt Lengths Calculation in OpenPlant Modeler has been described below with Various cases. Bolt dimensions. 5 table 11-7 bolt load and flange pressure for class 150 flange. 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. but here in P3D i get bolt length = 93 . txt) or view presentation slides online. so where is this 2mm coming from? The length shown includes the height of the Raised Face in all cases. The number of bolt holes is taken from table 11. 3 should be used with the gaskets extending to the bolt holes and with the flanges having either raised or flat faces, or (2) bolting of low (para 1. Oct 19, 2024 · Calculation Example: Bolt design and selection involves determining the appropriate bolt size, material, and number of bolts required to safely secure a joint or connection. Flange Hole Marking Calculator is used to calculate flange hole marking of equi-spaced flange holes, flange holes at any Angle and to calculate maximum No. This is the limiting condition, as the flange plate dimension a will always equal or be larger than the the gasket width. 3) Calculations of forces on the flange from internal pressure and gasket loading. PVC & CPVC Butterfly Valve Torque and Hardware Requirements Valve Size (in. L = 2(T + t + d) + S + 2(P) Where: L Flange bolt length calculator excel 4 flange bolt length. The Bolted Flange Design spreadsheet was created by us in 2016 to help us in the pressure vessel design for some of our clients. The size of the boltings will relate to the size of the flange, and quantity will relate to the flange rating. In this calculation, a flange connection of shafts with a diameter D 1 and a flange diameter at holes D 2 is considered. 3 process piping bolt design load and design stress from temperature (ASME B31. Since inside flange diameters vary depending on the type of flange, Bolt Selection: Bolting for flanged joints shall be selected for service by service temperature, and corrosivity of the environment. thick washers and cleaned threads. The calculated Nov 14, 2012 · For bolt length calculation we check the FlangeThickness values defined at flange and bolt set . com | 713. Bolt dimensions To determine the bolt dimensions, use the tables in Appendix B . Length Qty. , a nut or any other mating material for the screw) yields the thread engagement. 2. 1, ASME B16. 47 series A. 47 Series A Class 600 Flange PDF (for printing). 3 Table A-2). Since inside flange diameters vary depending on type of 1) Bolt lengths are calculated without flat washers, lock washers, envelope gaskets, spacers, or full face reinforing rings. The length of the bolt is always measured from under the head of the bolt to the base of the shaft. Particularly, stud bolts that would use Heavy Hex nuts vs Hex nuts. 5 stud lengths are specified from Thread to Thread. Background. When ordering, allow for the total length required for all components. Length Cap screw Machine Bolt Cap screw - Blind Stud Stud - Blind Hole Cap screw Qty. See the reference section for details on the methodology and the equations used. Bolt weight calculator is a convenient and easy-to-use online service that allows industrial specialists to obtain accurate information about the weight of one unit of fastener, as well as in the opposite direction: based on the total weight of the batch, calculate the number of fasteners in the batch. Different flange norms will result in a different flange thickness. 2 states tabulated stud bolt lengths, dimension "L" in Tables 31 through 41, are based on using 2 heavy hex nuts on two welding neck flanges. After entering all these details simply click the run button and the software will do all the Dec 30, 2015 · Flanged connection bolt length calculation. Flange to flange bolts use the spec value directly, while wafer connections and others automatically calculate length. See Section Appendix B (Bolt Dimensions) of the full paper for more details. Used steel bolts and nuts with 1/4 in. The following examples don't show every variation of bolt connections. Exact weight may depend on other factors. In order to ensure that the final bolt length fits a standard length for ordering, a bolt length table is looked up Sep 20, 2017 · CLASS 150 FLANGES. Jun 12, 2024 · for size 1" with bolt length=69mm, bolt flange thk & flange thk=16, the bolt total length = 69mm . Gasket Thickness. The bolt tensile area can be calculated for either ANSI threads based on threads per inch, or ISO threads based on thread pitch. Two factors define thread engagement: Length of thread engagement: The interaction length between the fastener and the nut (i. The bolts are used to join the mating flanges together. l eff: L: Effective length of engagement between a bolt and a tapped threaded material (as opposed to a nut) l ls: L: Thickness of the less stiff (lower Young's modulus) clamped material (1) flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 24 and flanges with rating class designation 2500 in sizes NPS 1/2 through NPS 12, with requirements given in U. Flange connection type. In the context of bolt load calculations, understanding the concept of spring rates, or stiffness, of the bolt and the flanged components is crucial. 47. Please Scroll Down for a quick reference for Nominal Bore Flange Sizes and the Dia and length of Bolt required for each size of Flange, if you don't find the Table you are looking for call sales on 01236 738755 Flange Calculation sheet 1/3 Bolted flange connections to ASME VIII, div. 5 flanges & ASME B16. 2500 LB. Oct 10, 2011 · I need to do a verification calculation to show that using 10 bolts in a 20 bolt ANSI 900 flange with a garlock gasket operating at 700 psig is safe. 1a materials, and (1) low strength bolting with the limitations of para 1. This calculation spreadsheet was created in 2016 when I didn't have access to pressure vessel design softwares as PVElite or Codeware and was tired of during it by hand every time (although I learned a lot by doing so). Flanges 300 LB. Information like FlangeThickness, Length, FlangeOffset. xls 1 of 1 12/12/2013 FLANGE BOLTING Rev. USA-Fastener. Contact our experts if you have questions about the best options for your application. Flange hole calculator is very useful during hole center Marking on flange at a given Pitch Circle Diameter or Bolt Circle Diameter. 19 times less the value obtained for a=b or a/b=1. 4600 Length of Stud Bolts [Note (1)] NPS Outside Diameter of Flange Diameter of Bolt Circle Diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face 0. Appendix 2 provides design rules for custom flanges and flanged fittings, which can be used to determine the thickness, bolt size, and gasket dimensions for the flange, considering the pressure-temperature rating and allowable stress values. The document provides a table with specifications for stud bolt length for flange joints based on ASME B16. 5 Reuse of High-Strength Bolts, 62 4. 0a CALCULATION. It includes: - Calculations for bolt lengths according to ASME B16. 1 Bolts Subjected to Tension, 70 4. Carbon and Stainless Steel Welding Neck Flange Bores Minimum length of engagement of a threaded joint to prevent thread tear out: l: L: Thickness of clamped material. 19 Ref. 75in this is 0. Oct 2, 2018 · Selecting the bolt length for any given grip and bolt diameter can be facilitated by using the chart entitled "Bolt Lengths for Various Grips" on page 6-167 in the Handbook of Steel Construction, 11th edition. The spreadsheet allows to calculate the forces on the bolts in a bolted connection inserting the coordinates of each bolt composing the joint. Dimensions of the Web Plate. Each of the following flange standards has a method for the determination of bolt length. Please note type 0 bolts only apply to machine The document provides guidelines for calculating the proper length of stud bolts for flange joints based on ASME B16. Submitted By: vasu reddy (nvreddy Flange Calculation. 5, ASME however. The value in the LEN column will be the length shown in the model regardless of the NUTTHK, EXT, or TOL columns. Type 6BX flanges are of the ring joint type and designed with a raised face. Wafer Valve & Cap Screws Wafer Valve & Stud Bolts Size D TPI L Qty 3 5/8" 11 1-3/4” 8 4 5/8" 11 1-7/8” 16 however. Apr 17, 2018 · Hello, I am trying to set up different bolt lengths for a metric pipe spec I have setup. The bolt length calculation for a collar and loose flange connection in Plant 3D does not include the gasket, collar, and stub-end thickness because the loose flange thickness property is not set. The chart is applicable to the Imperial Series of ASTM F3125/F3125M bolts, such as Grades A325 and A490 high-strength bolts This calculator provides the tightening torque and minimum bolt length to correctly install flanges. When I look in the ASME B16. This calculation considers various factors such as the applied load, bolt diameter, yield strength, ultimate tensile strength, and spacing between bolts. The external loads considered in the spreadsheet are the shear and tension forces, the bending and torque moments. - Reference documents and general notes on bolt Size and Quantity of Bolts. No calculation bolts are available in 2016. 5 - Blind and Stud Bolt Dimensions NPS 16 Calculation of Axial Force on bolt: (i) Considering Maximum Working Pressure 25PSI Type of Valve Unit Data Remark Butterfly Valve, NB Inch 60 Ring type, flat face, Counter flange ID,D, inch Inch 60. 5 and API standards. The design and selection of components for flanged joints connecting PE pipe to PE pipe, or PE pipe to metal pipe are based on lower interfacial pressures than those Oct 19, 2024 · Calculation Example: Bolt design and selection involves determining the appropriate bolt size, material, and number of bolts required to safely secure a joint or connection. This document provides instructions for calculating the required bolt length for joining two flanges based on the thickness of various components, including the flanges, gaskets, nuts, washers, and any miscellaneous items. bolt size used in the NB 150 flange) and 158 MPa (for the 1¼ in. Bolts mm L CLASS 150 No. Flanges 1500 LB Apr 12, 2015 · 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. 47 flanges. The general procedure of a flange calculation is shown in figure 4. 7in difference with the ASME B16. The gasket outside diameter can either be taken as the flange hub diameter, or be user defined. 5 . 3 Bolts Subjected to Combined Tension and Shear, 71 5. so where is this 2mm coming from? For help using this calculator see Technical Help. pdf), Text File (. doc - Page 2 of 16 Sample flange - the FEA model Flange Model 16 holes on 20. If the flange thicknesses are different, it calculates the bolt length by subtracting the bolt set thickness from the bolt length Jul 25, 2019 · Different flange norms will result in a different flange thickness. No lubrication. If the gasket width is equal to one half of the flange width, the bolt spacing correction should be 1. academy This calculator calculates required length of machine bolts and stud bolts as per Annexure D of ASME B16. (3) The ASME B16. The bolt lengths are reference dimensions. Oct 11, 2024 · How is the bolt set calculation of lug bolts in AutoCAD Plant 3D? Lug bolts are handled as a standard bolt set calculation which is: Length of the bolt - flange thickness (bolt set property) - flange thickness (bolt set property) + flange thickness (flange property) + flange thickness (flange property) Note: Gasket length won't be included Basis for calculation of aluminum alloy pipe flanges; JIS B 2207:1995 Basis for calculation of aluminum alloy pipe flanges with full face gasket; JIS B 2220:2004 Steel pipe flanges; JIS B 2239:2004 Cast iron pipe flanges; JIS B 2240:1996 General rules for copper alloy pipe flanges; JIS B 2241:1986 Basic dimensions of aluminum alloy pipe flanges The document describes new bolt length calculation capabilities in AutoCAD Plant 3D 2013. of holes can be marked on circle. Texas Flange has served the petrochemical, process, and waterworks industries for over 3 decades. Flange Facing Type; Nominal Pipe Dia. The calculator also automatically provides the tangential stress in a Swivel Ring for each design and size. Ensure that the selected bolts match the specified size to prevent loose fits or Loads on Flanges. 8 Corrosion and Embrittlement, 66 4. Bolt load is calculated from the design stress and the tensile area for either ANSI threads or ISO threads. Bolt lengths in AutoPLANT are calculated using formulas based on component dimensions and spec values. as you are going to use bolt and stud to connect flanges. Wafer The spreadsheet allows to verify a bolted connection using standard technical literature and Eurocode norm EN 1993-1-8:2005. Paragraph 6. then tested with wafer check valve: Bolt Length - 2x Flange Thickness + Flange Thickness Flange1 + Flange Thickness Flange2 + valve length. Each flange standard specifies the required bolt diameter based on the size of the bolt holes in the flange. - Additional allowances for bolt tensioning requirements. Determining the Bolt Diameter. Flange with sizes from 1/2″ up to 24″ will refer to ASME B16. The contribution shall light the state of the art after introduction of the European standard EN 1591 and the revision of the German nuclear code KTA 3211. 0 METHOD OF CALCULATING STUD BOLT LENGTHS FOR TYPE 6B AND 6BX FLANGES 2. Stress values are interpolated from the US data tables (US units govern). Reply Size Bolt Dia. Q: How do I calculate the bolt length for a specific application? A: To calculate the bolt length for a specific application, you can use the formula L = T + 2 * W + H, where L is the bolt length, T Disclaimer: Keep in mind this bolt weight calculator provides an approximate weight. It details the major factors that contribute to the calculation including flange rating, dimensions, gasket type and thickness, flange facing, and sandwich components. For example: A DN100 PN16 flange might require M16 (metric) or 5/8-inch (imperial) bolts, depending on the standard. Figure 4. For example, you can have Stud Bolts for welding neck flanges too. The design load is equal to the d Nov 23, 2015 · No Calc Bolts. Yield and Ultimate Strength of the Splice Plate Steel. 0. The spring rate determines how the bolt and flanges will deform under load, which in turn affects the overall load distribution in the joint. 25” BCD, 1” bolt size - only 1/2 of one bolt will be used for the FEA model due Flange Connection. Dimensions of the Flange Plate. Ensure that the selected bolts match the specified size to prevent loose fits or Oct 3, 2024 · where \(BL\) is the bolt length, \(D\) is the bolt diameter, and \(a\), \(b\), \(c\), etc. 5 and ASME B16. org Bolt Torque For Polyethylene Flanged Joints Please watch: "Learn Fabrication Layout development of all shapes in by reading Master in Fabrication layout eBook" https://www. 47 Series A Class 150-900 4. When bolt lengths are calculated, the length is computed based on the wafer components face-to-face dimensions and the extra gaskets thicknesses and these values are added to the bolt length. Given the clamping thickness, the bolt length would be calculated. FNW figure 7xx-series resilient seated valves are designed to fit between ANSI B16. The software calculates the correct bolt length based on the flange thickness defined for the flange and bolt set. The extended length beyond the nut of bolts (studs, actually) intended to be tensioned is the equivalent of at least 1 times the diameter for topside/shore applications. gswelbg refpuw dwxlyo yxzidy bqu mwcl czms vbgpfk rczbwq vzv