Also known as nozzle flanges or "long neck" flanges, these items were designed specifically with the pressure vessel and tank fabrication industry in mind. Ductile Iron Flanged Pipe & Fittings - International. The stub end flange is then welded onto a pipe spool, using an approved Welding. Data Bolt Templates General Welding Information . Then hand tighten till they are snug against the flanges . Generally, the lap joint flange is of a lower grade than the material of the stub end and the pipework, thus saving the total weight of high-grade material used for the flanged joint. Designed for use with an ANSI B16.1 Cls 125, ANSI B16.5 Cls 150, AWWA C207 Cls B, AWWA C207 Cls D, or AWWA C207 Cls E. Radius of lug designed to provide clearance on high hub threaded ductile iron flanges. 1,5,3,7,2,6,4,8. Flangeolet / Weldoflange / Nippoflange. A flange joint assembly having first and second attachment flanges are associated with first and second tubes through an interengagement of the ends of the tubes between an inner annulus and an. The preload depends on Applied Load and Load Loss . Diameter. Blind Flanges. This joint differs from the standard raised face flange joint (which has a 'flat' sealing face), by having a sealing face angled at 20 down towards the center of the bore. of the bolted flange joint assembly (BFJA) and Grayloc clamp connector (GCC), when each assembly was subjected to the external loads of bolt preload, internal pressure and thermal loadings. 3. 3. Equipped with argon arc welding equipment Specification 1. Available in sizes 3 inch through 8 inch. To . When tightening, always use the correct sequential bolt order for the flange. The final bead should be built up above the pipe O.D. The machine bolt is usually furnished with a heavy hex head and a heavy hex nut. Slip on flanges are more commonly found in lower pressure assemblies and become less utilized when a higher stress service calls for a superior connection to the piping assembly. Therefore, in assembling the flange to the pipe, the following basic requirements must be met. Mechanical Joint Pipe (MJ) is primarily used in fittings and valves. ASSEMBLING PROCEDURE OF GF Flanged JOINT Doc. ANSI B16.1 Cast Iron Pipe Flanges and Flanged Fittings. BS 1832 Oil . Lubricate the exposed surface of the gasket and the pipe spigot end back to the weld bead. The stub ends will be butt-welded to the piping and the flanges are kept loose over the same. Pressure vessel and piping bolted flanged joints are one of the most complex items of equipment to analyse at any plant. Apply adhesive to the pipe spig- ot and flange socket. scope: These guidelines for bolted flange joint assemblies (BFJAs) apply principally to pressure-boundary flanged joints with ring-type gaskets that are entirely within the circle enclosed by the bolt holes and with no contact outside this circle. Compared to welds, flanges are a non-permanent type of joint that can be easily assembled and disassembled (ideal for systems that require maintenance ). The assembly quality of the flange and the pipe not only affects the strength and density of the pipe joint, but also affects the eccentricity of the entire pipeline. 12 bolt Flange. Can be customised to comply with flange procedures. Flange Type, Size and Tools A four inch nominal bore, class 900# gasketed flange . Reduces the overall cost of the flanged joint. But they are costly due to the high cost of the flanges themselves and the labor costs for attaching the flanges to the pipe using bolting. The center of the flange should be in line with the center of the tube. Installers may prefer to use come-along to assemble pipe of all sizes. 5.3 Flange faces shall be aligned within 1 mm in 200 mm (1/16" per foot) measured across any diameter. Interference can typically be found on expansion joints with excessive lateral offset, tapered reducing joints or a control unit assembly not specified to the correct application. Pipe and Flange Data Weld Fitting and Steel Flange Data Table of Contents Gruvlok Tech. It is the users responsibility . 2.2 Cleaning Remove all foreign materials such as sand, mud, gravel, and paint flakes. Installation Guide: Bolted Flange Assembly Instructions Installation Guides, United States Visual step by step instructions for proper bolted flange assembly. This method requires two 2-ton chain hoists, 24 feet of chain and two bell choker slings for sizes from 3" to 24" in diameter. 5. Designed to give Deflection and or Expansion/Contraction needs to protect gravity drain pipeline systems from shear caused by gradual soil subsidence or seismic events. A flange pair is made up of two flanges and a gasket with bolts and nuts . and Lap Joint Stub and Flange applications an initial root gap spacing between pipe and flange should be 1/16" to 1/8". The fatigue life for the assembly of lapped joint flanges is only one tenth of welding neck flanges and the pressure holding capacity is also comparitively lower. Therefore, performance of a gasketed flange joint is very much dependent on the proper joint assembly with proper gasket, proper gasket seating stress and proper pre-loading in the bolts of a joint. Bolted joints piping components are manufactured in accordance with several national standards. Flange (blade, hub). (1) or (2), and (3). Gasket For Lap Joint Flange LoginAsk is here to help you access Gasket For Lap Joint Flange quickly and handle each specific case you encounter. . The joint assembly is quickly and easily achieved by slipping the seal and slip joint over the unflared pipe and pushed against the pre-formed flare of the mating pipe. Flanged joints are made by bolting together two flanges with a gasket between them to provide a seal. Product Brochure. Lap joint flanges are one of the popular choice of flange type used in piping systems as well as ducting systems, The use of lap joint flanges in combination with stub ends is a cost-effective solution for stainless steel or nickel alloy pipelines, as the material of the lap joint flange can be of a lower grade (generally . The method includes providing a pipe assembly which includes a pipe and a flange. Lap-joint Flanges, Van Stone; HDPE Flange types: 1. Flange Tag Features. Manufactured in the U.S.A. 3 - 72 inches. Based onASME B16.5 flange styles, the polyethylene Lap-Joint Flange Assembly is a three component device consisting of: 1. The joint is finally achieved by placing the v band clamp over . The Series 2100 MEGAFLANGE Restrained Flange Adapter is a field-adaptable wedge style restrained flanging system. Is the flange "fit" to be returned to service? 0 Page 10 of 15 KUBOTA CORPORATION 2. For a gasketed flange joint, the two main concerns are the joint strength and the sealing capability. 2. Suitable for pipe, pipe elbow, pipe tee, pipe high neck butt joint; pipe flange, elbow flange corner joint 2. described in subparas. See catalog pages for details. Harness lugs and Tie Rods. Flexible Expansion Joint for use in drain, waste and vent (DWV) non-pressurized piping. Without delay, slowly push the Quick-Lock flange onto the Quick-Lock spigot in a straight for- ward motion. Ductile Iron Pipe. Very few people in the world truly understand the complexities of the bolted joint and even fewer can provide practical guidance on how to eliminate joint leakage. In all modern piping and pipeline systems, flanged connections are extensively used due to their ease of assembly and disassembly. Expander Flange. Offered joints are designed by our adept professionals using quality optimum quality raw materials and innovative technology. Highly visual at-a-glance torque status. It provides flexibility for maintenance. the gasketed flange joint assembly are performed to examine joint relaxation behaviour during joint assembly. . Refer to the Bondstrand Quick-Lock assembly instructions for detailed instruction on joint preparation and assembly. 4. Flanges provide access for when equipment (or piping) needs to be cleaned, inspected or reconfigured. 1 FLANGES 1.1 Check both Flange Faces are Clean, Damage Free and that the Gramaphone . GF-J1-I Apr 2016 Rev. Raised face Flanges: In this type one surface of flange, lying against the other, has a gasket & therefore is more . Start the tightening procedure by lubricating the nuts and bolts . Using flanges adds flexibility when maintaining piping systems by allowing for easier disassembly and improved access to system components. Interference between the control rod and the outside diameter of the pipe flange can also be detrimental to the performance of the control unit assembly (see Image 7). The lack of a necessary weld connection is the defining . Although the word 'flange' generally refers to the actual raised rim or lip of a fitting, many flanged plumbing fittings are themselves known as flanges. In this type of joint, both the hollow cylindrical pipes have a projected circular ring/ flared rim on their ends, which is known as 'flange'. The initial bolt preload applied on the BFJA Color Coated. The following British Standards are also used for the standardisa-tion of pipe joints: BS 1560 Steel Pipe Flanges and Flanged Fittings. This standard provides guidance for several important flange considerations. The flange assembly comprises flanges connected to the flue pipe in pairs, nonmetallic expansion joint bodies arranged between the flanges in pairs, and pressing blocks pressing turned edges of the. Flat face Flange : In this type one of the faces of flange, lying against the other face, is flat. Procedure specification (WPS), by a qualified welder. Flange/Joint Assembly Checklist Page 1 of 2 Tuffa Products accepts no responsibility for the use of this document. (1/16 in./ft), measured across any diameter. Restrained Joint Pipe - International. Ensure that the flange surfaces are sufficiently flat and parallel. Flanges are installed via welding, screwing, or lapping, and they are the second most popular joining method after welding. Fusion Bond Epoxy 134. International (Spanish / Metric) TYTON JOINT. They are usually made as a one-piece construction with the intention of replacing a standard weld neck and pipe weld combination. Swivel ring flange is typically for subsea application, it consists of a rotation outer ring and a hub which allows for easy alignment of the bolts, we provide a full range of swivel flanges accoding to ASME B16.5, B16.47 and API 17D, the material is avaible in A694 F52/F60/F65/F70 to F65, ASTM A105, A350 LF2,A182 F51 and F53,AISI 4130, etc. Lap Joint Flanges (LJ Flanges) are used on piping fitted with lapped pipe or with lap joint stub ends the combined initial cost of the two items being approximately one-third higher than that of comparable welding neck flanges.Their pressure-holding ability is little, if any, better than that of slip-on flanges and the fatigue life of the assembly is only one-tenth that of welding neck flanges. No. Jointing of GF 2 Flange 2.1 Checking of joint accessories and tools Be sure to check joint accessories and tools. For easy handling, bolt numbering shall be done clockwise around the flange with the following sequence. The MEGAFLANGE can be used on AWWA C900 and C905 PVC Pipe, IPS O.D. Stub ends and lap joint flanges can be assembled following this process: The lap flange is slipped over and onto the stub end flange. March 2016 7 4.3 Risk assessment The plant safety and occupational health and safety requirements to be satisfied by the flanged joint must be defined through a risk assessment according to the BetrSichV. By Odex Drilling Method As Per Is: Is:2800 Part 1: 1991 And Is:2800 Part Ii: 1979 (Both Amended Upto Date) And Technical Specifications. In 2010, the American Society of Mechanical Engineers (ASME) addressed this issue in its standard, Guidelines for Pressure Boundary Bolted Flange Joint Assembly, ASME PCC-1-2010. Flanged joints are used for all high-pressure and temperature applications. The bolt set. This type of joint is not used on very large flanges . Material for the Pipe Class. The table below shows the torque sequence for flanges with 4 to 32 bolts. Table 1. Sometimes locations make the use of a backhoe impossible. So comprehensive is the variety and size range of these standard joints and so successful has been their history that only very rarely is it necessary for custom designs to vary from the norms. The flared end region is integral with the pipe and is proximate to and continuous with the proximal pipe end. Tear resistant, water resistant and UV resistant tag.

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