Guru gautam steel is one of the leaders amongst manufacturers and exporters of asme b16. Lap joint flanges and type a stub ends are not commonly stocked in australia. Contact faces of stub ends shall have a concentric serration or spiral according to the purchasers requirements. For the height measures h and b of all described dimensions of flanges on this website, with exception of the lap joint flange, it is important to understand and remember the following. Werkstoffgegenuberstellung din en astm materials comparison din en astm. Part description stainless steel lap joint connector, 38 in. Custom stub end pipe fittings are the specialty of united states fittings. Stub ends can be supplied in standard and nonstandard ansi dimensions. This 14vb stub end is used to adapt an industrial pipe flange to sanitary butt weld in applications for the. Manufactured with titanium grades 2 and 7 or zirconium grade 702, our standard stock is comprised of butt weld mss type a.
A wide variety of lap joint stub ends options are available to you, such as head code, shape, and connection. Lap joint stub ends are exempt from proof testing because they are used in a flange assembly, which will have different ratings depending on service application. Custom stub end flange pipe fitting united states fittings. Lap joint flange fabrication canada engineered fabrication. Blind flange lap joint flange orifice flange slipon flange socket weld flange threaded flange weld neck flange. Lap joint flanges have all the same common dimensions as any other flange named on this page however it does not have a raised face, they used in conjunction with a lap joint stub end. Our high quality stub ends butt weld fittings are tested and verified for durability, accuracy and precision. This precision crafted sanitary lap joint stub end comes standard with a mill finish. A pipe is typically welded to the stub end and the lap joint is free to rotate around the stub end. Attachment of the lap joint flange to the piping system requires a lap joint stub end. Lap joint pipe flanges fit over the pipe and are most commonly used with stub end fittings. Stub end, lap joint stub end, lap joints, vanstone flared laps.
Lap joint flanges and stud bolts dimensions asme b16. End lap definition is a joint as of two boards made by cutting away half the thickness of each member so that each overlaps the other called also half lap. Latest price stubend lap joint stainless steel longshort. Dimensions of lap joint stub ends standard ansiasme b16.
Mss type a stub ends are the industry norm and are utilized with standard flat face lap joint flanges. Length a and radius r are applicable for schedule 40s or thinner. The benefit of this is that there will not be any issues with bolt hole alignment. Our stocking program includes stub end, lap joint of standard sizes and grades. Lap joint flanges,stub end lap joint flanges,lap joint. Download free printable joint and mutual will form samples in pdf, word and excel formats. We manufacture to your specifications in stainless steel or carbon steel with ends preps including beveled, squared, grooved, flanged and threaded. Lap joint flange dimensions are covered in asme b16. Joint and mutual will form 2 free templates in pdf, word. The seal is made by the gasket surface of the stub end alone, the flange only provides the clamping pressure on the joint.
Use with either a stub end or taft, which is butt welded to the pipe, with the flange loose behind it. The lap joint flange slips over the end of the pipe and bolted to it with a lap joint stub end. Concerning the loose flange the code is very clear and tells to calculate it as a loose flange with g being the center of the contact between loose ring and stub end image 1 from appendix 2. Stubend and lap joint flange spec setup autocad plant 3d.
Stainless steel lap joint flanges stainless lap joint flanges. The lap joint flange is practically identical to a slipon flange except it has a radius at the intersection of the bore and flange face. 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. Fitwel industries llp is the leading manufacturing and supplying of quality asme buttweld stub end, ansi b16. The lap thickness on the stub end is greater than, or equal to, the nominal thickness of the pipe wall. Type a type a stub ends are for use with standard lap joint flanges. Lap joint stub end dimensions pipe fluid conveyance. Mss sp25 marking system for valves, fittings, flanges and. Top line 14vb lap joint stub end is made of type 316l stainless steel which has a lower carbon content than 304 stainless steel, making it easier to weld and offers better corrosion resistance. Mss sp43 only covers stainless steel buttweld fittings made for use with schedule 5s and 10s pipe and stub ends suitable for use with schedule 40s pipe, as defined in asme b36. This chapter summarizes ansi buttweld fittings, which are used to change direction or join parts of a piping system. The lap thickness of the stub end typically meets the thickness of the schedule pipe it accompanies, and the exterior of the base has a curved machine radius for the lap joint flange to mate flush over the stub end. Contact faces of stub ends shall have a modified spiral or concentric. Texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges we provide.
Lap joint stub ends mss sp43 dimensions based on mss sp43 notes dimensions quoted in mm are equivalents of the inch dimensions i. There is a different flange construction where the backing flange isnt a solid flange but is rather a 2 pc split collar which is either bolted or welded together after it is installed around the lap joint stub end. Lap joint flanges with stub ends not working what we ended up doing was making a copy of the lap flanges in our catalog and changed the facing to say rf, because this flange is always used with a stub end effectively making it a raised face flange. Lap joint pipe flanges slide directly over the pipe and are most commonly used with stub end fittings. Radius of fillet b is only effective to mss sp43 lap joint stub ends. 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 onethird higher than that of comparable welding neck flanges.
Stub ends, lap joint stub end, lap joints, vanstone flared laps. How to connect lap joint flanges in autocad plant 3d. Stub ends, long stubends, short stubends, lap joint stubend. Lap joint stub end flanges with zero length stub engineers. Lap joint stub ends lap joints also named stub ends and vanstone flared laps,it is used in place of welded flanges where rotating back up flanges are desired. Lap joint stub ends slide directly over the pipe and are most commonly used with stub end fittings. Dimensional tolerances are in millimeters unless otherwise indicated. Stub ends, long stubends, short stubends, lap joint. In pressure classes 150 and 300, the height of raised face is approximately 1. Lap joint flanges are a specialty flange that are used with a corresponding stub end that is inserted into the inside of the flange. Butt welded, beveled openings are used for welding pipes together.
Therefore, the purchaser must specify long or short pattern fitting when ordering. Email this page download pdf download pdf printable page. The main benefit of this type of flange, is that once the pipe welds to the insert stub end, the flange then can rotate for easier alignment of the bolting holes. A lap joint is the joint between two pieces of metal in which the edges or ends are overlapped and fastened together to produce a continuous or flush surface. Any updates you make will overwrite existing information. So in this case there is no sleeve of the stub, but the pipe. Stainless steel tube fitting lap joint stub, 12 in. How to add stub ends and lap joint flanges to a specification sheet so these parts can be used in a 3d model for plant 3d. Jero lap joint stub ends finish dimension chart all dimensions are in accordance. Hi all, i have a question concerning the calculation of lap joint flanges according to asme viii div. Download pdf catalogs gaugeable tube fittings and adapter fittings 116 2, 2mm 38mm. The number one feature and advantage of lap joint flanges is that they have superb manueverability. Thus the stub end or the taft always provides the sealing face.
Butt weld fitting lap joint stub end guru gautam steels. Lap joint these are always used with either a stub end or a taft which is buttwelded to the pipe with the flange loose behind it. Different types of buttweld fittings include elbows, reducing elbows, 45degree elbows, 180degree returns, tees, crosses, eccentric and concentric reducers, lap joint stub ends, and caps. Stub end dimensions schedule 10s, mss sp43, nps 12 nps. The material could be carbon steel,alloy steel and stainless steel material. Lap joint stub end dimensions free download as pdf file.
Lap joint stub ss60010151 body material 316 stainless steel cleaning process standard cleaning and packaging sc10 connection 1 size 38 in. The information in these pages was compiled from industry sources which texas flange and fitting supply believes to. Lap joint stub end inch dimensions as per asme b16. Schedules jero offers stub ends in all nps schedules. Stainless steel lap joint flanges dont have a raised face. Specialty flange and fitting products lap joint flange. This 14vb stub end is used to adapt an industrial pipe flange to sanitary butt weld in applications for the food. Stubend and lap joint flange spec setup autocad plant. This radius is necessary to have the flange accommodate a lap joint stub end. Welded connections ensure tight seals and reduce the possibility of leakage. Several types of lap joint techniques exist and are employed depending on the type of materials, shape, and thickness of the parts or the application of the jointed object. Grainger approved lap joint flange, welded, 6 pipe size. Steel pipe connectors, welding fittings, pipe fittings, elbows, tee, reducer, stainless products. Lap joint stub end detailed info for lap joint stub end,lab.
Join the grabcad community today to gain access and download. A wide variety of stub in flanges options are available to you, such as hexagon. Ss81010080 please enter or update the user part number and a comment optional. Stub end dimensions schedule 10s, mss sp43, nps 12 nps 24. Finished dimensions 12 to 60 jero lap joint stub ends finish dimension chart all dimensions are in accordance with ansi b16.
Jun 03, 2016 lap joint stub ends slide directly over the pipe and are most commonly used with stub end fittings. Lap joint flanges are used with a corresponding stub end that inserts in the inside of the flange. By authority of the united states of america legally binding document. Ideal for use in frequently cleaned or inspected lowpressure systems, this grainger approved lap joint flange allows you to bolt 2 flanges together with a gasket to form a tight seal that still eases access to the piping system. About 61% of these are pipe fittings, 25% are flanges. Dimensions for short pattern lap joints were also added. Offshore osna 10 coppernickel alloy for seawater piping. Bores are finished with a lap joint radius 3036 sizes listed are class 125 full weight so pattern with lap joint id. Rhea, in pipe drafting and design third edition, 2012. Formingdiefree integrated stubend manufacturing process using. It may be permitted to make a designed appendix ii asme viii vessel lap joint backing flange from plate.
Scribd is the worlds largest social reading and publishing site. Lap joint flange class 150,class 300,class 400,class 600,class 900,class 1500 and class 2500 dimensions. Simplex steel industries buttweld lap joint stub end of different shapes and sizes and with different specifications as per the customers requirement. Normally, a lap joint flange and a lap joint stub end are mated together is an assembly system. Also, type a has its outside corner radius to receive lap joint flanges. Email this page download pdf download pdf printable. Available in sizes ranging from 12 to 8 in diameter, united titanium carries a robust inventory of pipe stub ends. A pipe is usually welded to the stub end and the lap joint pipe flange is free to rotate around the stub end. Joint software free download joint top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. The stub ends are manufactured in all standard dimensions. Simplex steel is the world leader in buttweld lap joint stub end. These lengths and radius apply for schedule 40s or thinner stainless steel pipes.
Some advantages of the lap joint flange is ease of application to the pipe system, and with the lack of contact with internal fluids of the pipe, the flange has an extra extended life. I am having an issue with the lap joint flanges and the stub ends that goes with the pre mentioned lj flg. Lap joint flanges this is again similar to a slipon flange, but has a radius at the intersection of the centre bore and the flange face to accommodate a type a lap joint stub end. Lap joint flange dimensions class 150 to class 2500. Lap joint stub end, which is widely used in petroleum, chemical, power, gas, metallurgy, shipbuilding and construction industries. Od of barrel max and min dimensions in and mm are rounded.