Flange bolt standard. Flange Bolting Dimensions 2.

Flange bolt standard. Diameters and bolt circles for standard ASME B16. 5 is also de standard for the number and the diameter of the bolt holes in a flange. The numbers and diameters diverge per Pressure Class, but is for every typ of flange in a specific Pressure Class the same. An end point is defined as an unthreaded length, chamfer or bevel, which extends beyond the thread. Flange Bolting Dimensions 2. 5. 5 flange specifications. 2. . At ITA Fasteners, we stock flange bolts in varying dimensions and materials for your every possible need. This torque creates an axial force in the bolt. We measure our studs from E d to End, which includes the chamfered points. Flanged joints are an assembled set, formed by the joining of two flanges using fasteners such as bolts, nuts and washers. These are 304 SS material. 5 flange standard dimensions, flange tables and charts, bolt circle diameters and drillings for all common flange ratings ISO 4162:1990 https://standards. 7 7. 16. 5 guidelines for the specific flange class and nominal pipe size. In this article, I have covered Flange Bolt Dimension Chart and Stud Size Dimensions for stud and bolt used in piping. The bolt lengths are reference dimensions. All dimensions are in inches and measurements are based on ASME B 16. 5 ASME B16. Metric DIN 6921 Hexagon Flange Bolts are machine threaded bolts that have a circular washer like flange under the head that increases the bearing surface to distribute the load when the bolt is fastened to the substrate. This simple design maximizes The DIN 6921 flange bolt is the German standard of flanges. Hexagon Bolts with Flange - Small Series - Product Grade A with Driving Feature of Product Grade B ISO 4162 - 2012 Diameters and bolt circles for standard ASME B16. 0 Universal Topics data. Stud bolts for flanges consist of a fully threaded steel rod and two heavy hexagonal steel nuts. 5 [7J. 5 flanges - 1/4 to 24 inches - 150 psi to 600 psi Flange dimensions are determined by pipe size and pressure class required for the application. 5 contained in these tables. 47. 1 PURPOSE This AWHEM Recommendation establishes definite dimensions for stud bolts and tap end studs for use with API Spec 6A flanges/studded flange connections and provides for dimensionally interchangeable stud bolts and tap end studs for API Spec 6A flanges/studded flange connections. 5 flanges - 1/4 to 24 inches - Class 150 to 2500. When ordering studs based off of ASME B16. NOTE: The length of the stud bolt does not include the height of the points. Aug 8, 2024 · A Flange Bolt Chart is a table used to display the size, quantity, and related information of flange bolts. The Final Torque Value †Flange thickness (dimension C) does not include a 1/4 inch high face (dimension E). JIS B2220 - 10K Flanges Sectional Dimensions of flange Welding Outside Nominal Dia. A bolt and stud will be utilized to attach the flanges. 5 and B16. SIZE: 11/2” 40mm FLANGE TYPE FLANGE DIMENSIONS Oct 17, 2014 · ASME/ANSI B16. Click Unit:mm Hexagon Flange Bolts DIN 6921 - 1983 Display drawing: 3D DRAWING Download CAD Model Longan ASME stainless steel flanges are manufactured to meet ASME b16. 8: Hexagon flange bolt IS 15582-M12 x 80F8. The ASME standard ASME B18. The lengths of the machine bolts are measured from under the head to the top of the bolt. Customary units with diameter of bolts and flange bolt holes expressed in inch units; Sep 13, 2013 · IS 15582: Hexagon Flange Bolts - Small Series by Bureau of Indian Standards Publication date 2005 Usage CC0 1. 47, the list here have been added for completeness AFT Fasteners provides a helpful resource on 12 point flange bolts including: dimensions, material, wedge tensile, core hardness, screw threads and class of thread. 1. This table helps users quickly find the required bolt specifications to ensure the correct and safe flange connection. Resource. To realize this, various bolt¬ tightening techniques are available for the flange fitter. ASME B16. 5 - Data for NPS 1/2 through NPS 24, Class 150-2500, Metric/Inch Standard. 5 focuses on flanges and flanged fittings made of cast or forged materials, along with specific types of blind flanges and reducing flanges made from cast, forged, or plate materials. 5 stud lengths, please specify that y Flange Bolt Size Chart and Torque Patterns. B16. *** ASME B16. Most of these dimensions have been standardized and published as ASME, MSS, API or other standardization organization specifications. FLANGE REFERENCE CHART PN6 5K 125 lbs PN10 10K 150 lbs PN16 16K 300 lbs PN25 20K 300 lbs PN40 Awwa Flanges AWWA Standard steel-ring flanges, class B*(86 psi) and class D B*(86)psiand class D +(175-150)psi Nominal pipe Size OD Of Flanges (A) Notes. 5 flanges: bolting dimensions; bolting materials; flange assembly and bolt tightening; coatings for bolts & nuts of the flange. of Dia. 5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard ASME B16. Bolt hole orientation is very important to allow the flange or other equipment to be aligned in the right place. For precise data, refer to relevant standard. Bolting torque to develop 50% Bolt Yield Stress at Nut Factor, K=0. 47 standards, offering at competitive price and available in grades 304/304L and 316/316L, with sizes from 1/2" to 48" and pressure ratings from Class 150 to 2500. 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. The torque values are approved for spiral wound graphite and PTFE filled gaskets. Oct 17, 2014 · Diameters and bolt circles for standard ASME B16. Users may select other bolting lengths. You will use a bolt and stud to connect flanges. in, public. 1 - UNC Hex Head Flange Bolts This product guide contains the specification for UNC (Unified Coarse)threaded hex head flange bolts or screws, a series of standard parts available from Westfield Fasteners. ASME B18. 5 Flanges 150 - 600 lb ASME B16. Also included in this Standard are requirements and recommendations regarding flange bolting, flange gaskets, and flange joints. The integrated flange acts like a built-in washer, distributing the load and reducing the risk of material deformation. 5 is a widely recognized standard that outlines specifications for pipe flanges and flanged fittings, including guidelines for flange bolt dimensions, materials, and torque requirements. ISO-QF and LF seal-ing components are similar, however their fastening methods differ. 47 flange standards. A gasket is located between both flanges, which performs the function of sealing the joint assembly. resource. 5 covers manufacturing specification for pipe flange and flange fittings dimensions from NPS 1/2 to NPS 24, ratings from Class 150 to 2500. Find the perfect flange. These standard flange dimensional tolerances are ideal when other specifications aren’t used. B8, Class 2 bolting materials are strain hardened and have different yield strengths depending on bolt diameter. 150#, 300#, 600# Stud Bolt Flange Chart 150# Flange Stud Bolt Chart Showing 1 to 26 of 26 entries These Slip-on are not covered by B16. The selection chart shown in Table 1 shows the demarcation between three different bolt-tightening techniques for standard ASME B16. BASED ON USING WELDNECK FLANGES & LUBRICATED STUD BOLTS WITH A 0. in, standardsbis. Below are the standard measurements for flanges and their relevant bolts and holes size – a very useful tool for any onsite machinist. 36 - Orifice Flanges ASME B16. Flange Bolt Torque Calculation Formula Bolt Torque is the twisting or turning force applied to tighten the nut on a bolt. 2. Oct 23, 2023 · Explore our comprehensive guide on ANSI flanges, including dimensions and industry standards. Explore the comprehensive Flange Bolt Chart at Texas Flange. Bolt Hole Orientation Bolt Holes for Flanges Just as already circumscribed, ASME B16. Flanged joints are designed to allow the transport of a fluid in a pipeline or in a pressure equipment, ensuring the correct tightness of the joint. DIN 6921 High TensileDIN6921 Dimensions of bolts Four bolts across the flange (of course, when the flange is wide enough) in a bolted flange-plated moment connection makes the connection more compact; Smaller gages may be required for hanger connections to eliminate reinforcement for flange bending. Boltport is a manufacturer of Hex Flange Bolts in metric and imperial sizes with coarse, fine, extra fine, and custom threads to various dimensional standards and material specifications. 5 or other standards based on the desired applications. Ensure they are of the correct material, dimensions, and specifications. The bolt holes These bolt torque 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 national boiler code, installed in accordance with the Singer Industrial Flange Installations Guidelines. Achieving a proper preload in the bolts of a gasketed, bofted-flanged joint during joint assem¬ bly is considered crucial for its optimized performance. 47 - Large Diameter Steel Flanges: NPS 26 Through NPS 60 Metric/Inch Standard Series A / MSS SP-44 For general use Bolt circle diameter is larger than Series B NOT interchangeable Series B / API Std 605 (cancelled) International Organization for Standardization. The standard also provides guidelines on flange bolting, gaskets, and joints. A DIN 6921 Bolt has a wider surface area and provides even weight distribution and clamping pressure. Aspen Fasteners offers the following sizes for immediate delivery from stock: Diameters ranging from ASME and ANSI B16. Chart will show you the number of holes in your standard flange and the diameter of the holes Feb 24, 2025 · Flange bolts are specialized fasteners with an integrated washer-like flange that distributes the load and improves stability. Customary units exclusively. iteh. This is the standard that most Metric fasteners follow. Metalfit 2 ̋ through 12 ̋ Flanged Fittings are also listed by Underwriters Laboratories for Hex Flange Bolts are heavy profile hexagon head bolts with full or partial thread configurations. AFT Fasteners provides a helpful resource on fully threaded serrated hex flange bolts including: dimensions, material, tensile strength and class of threads. Proper orientation allows for proper fixation and stiffness of the material. Moreover, materials for these bolts are carefully selected to withstand the harsh conditions prevalent in industrial environments, including corrosion, high temperatures, and pressure fluctuations. 8 to 10. 150# Flange Bolt Chart with length & diameter of studs, pipe size, and wrench size. DIN 6921 - Hexagon flange bolts metric Current norm: DIN EN 1665 This Indian Standard which is identical with ISO 4162:1990 ‘Hexagon flange bolts — Small series’ issued by the International Organization for Standardization ( ISO ) was adopted by the Bureau of Indian Standards on the recommendations of the Bolts, Nuts and Fasteners Accessories Sectional Committee and approval of the Medical Instruments, General and Production Engineering Division Council. The following chart shows the quantity and size of bolts or studs require for a particular flange size and class. The advantage of flanged . 15 FRICTION FACTOR. Oct 14, 2024 · Flange Bolt Torque Standard: ASME Determining the appropriate flange tightening torque requires reference to relevant standards, among which the more common ones are ASME standards and DIN standards. gov. ai/catalog/standards/sist/ed6e9ecc-b331-4167-b877-11881c452b3c/iso-4162-1990 Flange dimensions data from ASME B16. 9 and A2‑70. The applied flanges comply with ASME B16. Dimensional recommendations for bolts, stud bolts and nuts are shown in below table. The screw heads and nuts are 10% wider than standard hex fasteners, so they spread force over a larger area, and you can tighten with more torque. Sep 26, 2014 · ASME sets the standards for flanges and bolt dimensions through the ANSI accredited ASME Standard B 16. 8 If, in special cases, a hexagon flange bolt, small series, with reduced shank is required, the letter R shall be included in the designation: This Indian Standard which is identical with ISO 4162:1990 ‘Hexagon flange bolts — Small series’ issued by the International Organization for Standardization ( ISO ) was adopted by the Bureau of Indian Standards on the recommendations of the Bolts, Nuts and Fasteners Accessories Sectional Committee and approval of the Medical Instruments, General and Production Engineering Division Council. The number and diameter of flange bolt holes are different due to different flange pressure levels, but all types of flanges of the same pressure level are the same. 1, Class 125. 8 Point Bolt and Flanged Hex Head Bolt in India, ask for free quote and sample. Lookup bolt lengths, wrench sizes, and torque patters using the Flange Bolt app. Choose from our selection of metric flange bolts, including over 4,200 products in a wide range of styles and sizes. AFT Fasteners provides a helpful resource on metric hex flange bolts (ISO 4162) including: dimensions, material, tensile strength and core hardness. 10 and ANSI B16. Home Individual Fasteners Flange Bolts Standard Flange Bolts Standard Flange Bolts Sort By: Go Back Standard Flange Bolts Flange Bolt M10x20 $5. 16 This Table is applicable to Never-Seize paste and Fel-Pro lubricant, K=0. Oct 17, 2014 · Japanese industrial flanges, bolts, nuts, and gaskets standards and specifications from JAS - the Japanese Standards Association. 5 - 1996 Pipe Flanges and Flange Fittings standard covers pressure-temperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and flanged fittings. The flange bolt holes are evenly distributed on the bolt hole diameter, and the number of holes is always an even number (4, 8, 12 38_39 BOLT & STUD and Chemical Resistance Chart Flange joints require proper tightening to avoid the leak of the fluid from the joint. of ANSI BOLT TIGHTENING SEQUENCE GUIDE For proper ANSI flange bolt tightening, follow a sequential “star” or criss-cross pattern, tightening bolts in stages to ensure even gasket compression and a secure, leak-free connection. Oct 17, 2014 · ASME/ANSI B16. Questions? Our material experts are ready to help guide you through your specific application. The Bolt hole orientation standard is the ASME B16. 5 and b16. Flange dimensions are determined by the pipe size and the pressure class required for the application. Studs are measured using the efective thread length or measurement from first thread to first thread. ENGINEERING SUBMITTAL DATA Metalfit manufactures Ductile Iron and Gray Cast Iron Flanged Fittings for both Waterworks and Industrial applications and conforms fully to the required industry standards. Follow Flange Bolt Torque Values for proper tightness. org Collection publicsafetycode; additional_collections Contributor Public. Access essential information for secure and reliable connections in your piping projects. Jun 30, 2025 · Flange nuts and bolts typically feature a hexagonal head, which is standard in the industry and allows for efficient torque application using common tools like wrenches or sockets. What is a flanged bolt? A flange bolt is a fastener with a built-in circular flange ANSI B16. Flange Hole Size Reference Chart NOTE: Refer to the chart showing the pressure of your pipe; then find your pipe size. The diameter and length of the stud and bolt are covered by the ASME B16. Apr 3, 2020 · Flange Dimensions Flomatic Corporation Flomatic® Corporation can accept no responsibility for possible errors in catalogues, brochures and other printed material. The above Table is applicable only for ASTM A320 Grade B8, Class 2 and A193 Grade B8, Class 2 Stud Bolts. Searching for 12 Point Stainless Steel Flange Bolt manufacturers? Exporter of 304/ 316 SS Flanged Hex Head Bolts in India, view ISO 4162/ DIN 6921 Flange Head Bolt Metric sizes and price list. 5 ensuring all gasket and flange fittings are consistent and fit for purpose allowing a high-quality seal. 5 - 1996 - Pipe Flanges and Flanged Fittings The ASME B16. d lengths are specified from Thread to Thread. Bolt Chart ASME B16. S. Check dimensions and specification of ISO 4162 Flange Bolts, manufacturer and supplier of DIN 6921 class 8. One can see that as the pressure class increases, the Oct 17, 2014 · The Standard is limited to flanges and flanged fittings made from cast or forged materials, and blind flanges and certain reducing flanges made from cast, forged, or plate materials. Is there a standard orientation relative to the axis of the cell or chamber? If so, can you tell me what the standard is and which of the Flange-related installation issues Standard water pipe flanges are of the flat-face (also called full-face) variety, the flange slips over the end of the pipe and is attached with internal and external fillet welds, see Figure 1. Get quote or call our sales team now. 1 Cast Iron Pipe Flanges and Flanged Fittings - Class 250 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. Apr 13, 2025 · Bolt and Gasket Selection: Choose bolts and gaskets that meet ASME B16. Flange Torque Charts listed by NPS and by Flange Class. Our easy-to-read stud, nut, and bolt chart shows the number and size of bolts for flanged joints - ASME B16. 5 & B16. of Flange Dia. 00 add to cart 120. 9 87. Because of this there are some differences in flange TORQUE TABLES for the installation of flat gaskets with standard ASME flanges TEADIT® Material: TF; ePTFE; NA; GR; SWG Class 150 Class 300 So, regardless if your using an ASME B16. This also applies to product already agreed. Dimensions, Sizes and Specification of DIN Flange & DIN Standard Flanges Pressure Rating from PN6 to PN 40 Slip On Flanges Blind Flanges Welding Neck Flanges For non-standard flanges, consult LGT Engineering for target bolt stress and torque values. 2 Bolt Lengths Stud bolt lengths, including the heigh tof two heavy hexagon nuts, are shown as Hex Flange Bolts are heavy profile hexagon head bolts with full or partial thread configurations. Of Flange Bolt D Circle C Dia. DIN 6921 Hexagon Flange Bolts are available with and without serrations. A bolt hole is an opening that is employed to install a bolt and affix it in place. Flanged Fittings are manufactured in accordance with ANSI/AWWA C110/A21. Jun 30, 2021 · Bolting for ASME B16. 4 4 14. Flange bolts must meet stringent criteria to ensure proper engagement and load distribution, preventing leaks, spills, and catastrophic failures. Orifice Flanges are not covered by this standard, but all ANSI flange tolerances, where applicable, apply to all Coastal Orifice Flange diminision Jun 6, 2025 · Hex Flange Bolts Hex flange bolts, among the most common types, feature a hexagonal head that allows for easy installation with a standard wrench or socket. They are widely used in automotive, industrial, and structural applications due to their strength and vibration resistance. The gasket contacts the entire mating faces (full face gaskets) or the gasket fits inside the bolt circle (ring gasket), see Figure 2. 5 is a comprehensive standard developed by the American Society of Mechanical Engineers (ASME) that specifies the requirements for pipe flanges and flanged fittings in pressure piping systems ISO 4162:2012 specifies the characteristics of hexagon bolts with flanges, small series, of product grade A (except the driving feature which is according to product grade B), with threads from M5 up to and including M16, and property classes 8. Also see table 2 for bolting material recommendations. The chart generally contains regulations and requirements for flange size, bolt quantity, bolt size, bolt hole size, and torque value. Stud bolts are inserted in the flange holes and tightened to seal a flanged joint. Nov 1, 2007 · Hello, We weld flanges onto water process cells, and I can not find a standard relating to the hole orientation. Org Language English Rights Published under the auspices of the Right to Information 2. Charts for NPS 0. Sep 20, 2017 · Key charts for stud bolts: ASME flange bolting (number, diameter, length of stud bolts by ASME flange sizes); stud bolt weights; stud bolt torque chart (tightening sequence and load to ensure proper flanged joints) ISO Standard Sealing Assemblies An ISO seal assembly consists of 3 types of sub-components, two sexless, 360 ̊ rotatable flanges, a centering ring for alignment and support of the sealing ring and a fastener to compress the seal between the two flanges. 5 flanges. AFT Fasteners provides a helpful resource on metric hex flange bolts (DIN 6921) including: dimensions, material, tensile strength and core hardness. Sep 10, 2023 · This post includes a flange bolt dimension table in addition to my discussion of stud and bolt sizes used in plumbing. CLASSES PN10, PN16 and PN25 are classes within the Deutsches Institute fur Normung (DIN) flange specification for the pressure class and metric flange dimensions, including bolt hole diameter. Dec 3, 2024 · ASME B16. 5-60 and Class 150-2500. The diameter and length of the stud and bolt are covered in flange standard ASME B16. 1 covers several fastener types including hexagon flange bolts, and the relevant information for these parts form the basis of this specification. Jan 21, 2021 · ASME B16. DIN 6921 Specifications - Hex Flange BoltsHome » Technical Pages » DIN Specifications » DIN 6921 Specifications – Hex Flange Bolts Standard flanged reducers, with a different number of holes in each flange, will have only two centerlines which are common to the drilling templates of both flanges. Bolts/Cap Screws Select a torque value within the recommended range and keep all bolts in the joint within 10% of that value Follow flange installation, bolt thread and face lubrication, and assembly guidance found in AWWA M11 and AWWA C604 Follow the flange bolting pattern found in AWWA C604 Calculations based on AWWA M11 Equation (12-2) T = Torque (ft-lbs) Opt for Texas Flange's Class 150 Series A Flanges, compliant with ANSI B16. 47, for superior load distribution in large-scale industrial applications. This relates mostly to 4 bolt flanges. Included are: (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 both metric and U. Flomatic® Corporation reserves the right to alter its products without notices. 5 has clear regulations on the number of bolt holes and bolt hole diameter of the flange. The image shown below indicates the nomenclature used in the dimension chart. 1 Dimensional Standards Stud Bolts, threaded at both ends or threaded full length, or bolts may be used in flange joints. 1 Cast Iron Pipe Flanges and Flanged Fittings - Class 125 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. Example for the designation of a hexagon flange bolt, small series, with thread M12, nominal length / 80 mm, type F, and property class 8. This guide explains their types, sizes, and key applications. Using a calibrated torque wrench (Manual or Hydraulic Torque Wrench), flange bolt torque can be measured during flange assembly. Same and Next Day Delivery. Connect standard-size stainless steel or aluminum pipe flanges with these kits— they come with screws and nuts in the right size and number to match the bolt holes. Flange Dimensional Tolerances This table displays Flange Dimensional Tolerances by inside, outside, and contact diameter, thickness, and drilling tolerances for bolt holes diameter and spacing. These fittings are detailed using U. The number, length, the diameter of the stud bolts required for a flanged connection depend on the flange type, diameter, and rating (as per the ASME flange bolt chart). 5 Flanges 900 - 2500 lb The length L does not include the height of end points or chamfers. bbqw niu xk5ti e9ry 1lafy pdqbd lwf dieksv gp erm