A reducing flange consists of a flange with one specified diameter having a bore of a different and smaller, diameter. Class 600 flange dimensions duplexstainlesssteelflanges. To order a reducing flange, state the smaller size first, then the. Raised face weld neck flanges din pn10 steel on world wide. Posted in weld neck flange datasheets dimensions to asme b16. Asmeansi b16 standards for pipes and fittings the asme b16 standards covers pipes and fittings in cast iron, cast bronze, wrought copper and steel. Dimensions sizes and dimensions of pipes and tubes, and their fittings inside and outside diameter, weight and more. Flange tolerance pdf 296kb welding ends pdf 447kb ring joint flanges pdf 146kb print this page email this page. Bsflangestandard,bs 3293,bs4504 flange,bs 10 tables d. Necks are furnished bored, faced and spot faced or back faced. Haihao group hebei haihao group mengcun,cangzhou,hebei,china. The inside diameter of the flange is machined to match the inside diameter of the tube reducing friction and obstruction of flow.
Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. The production of these flanges is more expensive because of the long necks that are present. Click on images for flanges dimensions weld neck flanges dimensions, weld neck flanges dimensions class 300, weld neck flanges dimensions 600, weld neck flanges dimensions chart, weld neck flanges dimensions pdf, weld neck flanges dimensions class 900, weld neck flanges dimensions class 1500, weld neck flanges dimensions in mm, weld neck flanges dimensions pn16, weld neck flanges dimensions. Welding bevel ends of welding neck flanges asme b16. Information on flanges bs 3293 weld neck and slipon flangesclass,bs 4504 circular flange,bs 4504 facing dimensions,bs 10 flanges tables d and e of bs 10. A weld neck flange is drilled with the wall thickness of the flange having equal dimensions to the matching pipe. The pressure rating will also determine the dimensions of the flange full details can. In pressure classes 400, 600, 900, 1500 and 2500, the height of raised face is approximately 6. Class 150300 series a large diameter flange dimensions. Weldneck flanges type 11 according to en 10921 100 148 nominal pressure pn 6 dn flange bolting 50 140 110 14 38 14 8 6 2,9 90 2 4 m12 2 4 m16 125 240 200 18 48 18 10 8 4 178 2 8 m16 210 170 18 45 16 10 8 3,6 150 265 225 18 48 18 12 10 4,5 202 2 8 m16. Weights are based on manufacturers data and are approximate. Carbon and stainless steel welding neck flange bores. Weldneck flanges or weldingneck flanges can be differentiated from all other types of flange by their long tapered hub. These flanges will be furnished with a 116 raised face unless otherwise specified.
Download class 150 flanges nps 12 to 24 welding neck. Flange din2632 pn10 welding neck flange, wnrf flange. Email this page download pdf download pdf printable page. It is designed to transfer stresses to the pipe, thereby reducing high stress concentrations at the base of the flange. Standard bore will be furnished unless otherwise specified. The swivel flange permits 360 rotation of an outer ring around a hub. Technical data jersey village, texas coastal flange.
Pipe fittings free delivery possible on eligible purchases. Weld neck flanges series ab are highly durable, corrosion resistant and reliable. These standard flange are resistant to corrosion and abrasion and ensure high durability. Nominal size outside diameter of flange diameter bore. The welding neck flanges is normally referred to as the high hub flange. The tapered neck aids in reducing the thickness of the steel and it then seems to be a pipe extension. Weld neck flanges are preferred for use in highstress applications. Long welding neck flanges catalogue hydraulic and offshore. Flange dimension charts for class 150, class 300, class 600, class 900, class 1500 and class 2500 free. Din 2632 welding neck flanges pn1010bar dimensions, sizes and specifications of din 2632 welding neck flanges pn1010bar rotate the screen or widen the window to see full table. The following section is in order by pressure class due to the overlapping dimensions of some standards. Height of raised portion is equal to the depth of groove dimension e, is not subjected to the tolerances for e groove depth e is not included in flange thickness t but is included in the connection overall length l. Din flanges, din weld neck flanges, din threaded flanges, din.
And conversely the heavier the pipe is the smaller the bore is in the weld neck flange. The resulting 1939 edition contained standards for welding neck flanges com pleted in march 1937, 1,500lb flanges in the 14in. Bored to match the inside diameter of the mating pipe or fitting, these flanges are directly welded to the end of the pipe. Weld neck flanges or welding neck flanges can be differentiated from all other types of flange by their long tapered hub. Except for the bore and hub dimensions, the flange will have dimensions of the larger pipe size. Nominal size and bore of flange hub and bore dimensions hub length threaded linepipe flange hub length threaded casing flange hub length welding neck linepipe flange neck diameter welding neck linepipe flange tolerance maximum bore of welding neck flange l1 l2 l3 l40. Weld neck flanges a b, stainless steel weld neck flanges. The lighter the pipe is the larger the bore is in the weld neck flange. Weld neck flanges and stud bolts dimensions asme b16. Designof weld neck flangeas per asme sectionviii division2 part 4. Reducing flanges are available in all types and pressures. In these two pressure classes, almost all suppliers of flanges, show in their catalog or brochure, the h and b dimensions including the raised face height.
Swivel flanges can be designed for any size and pr essur e r ating. Weld neck flanges a b dimensions welding neck flange bores according asmeansi b16. Sizes nps 12 through 312 are same as class 600 flanges. Long welding neck flanges can be made according to customers drawings. Weld neck flanges are welded directly to the pipe at the neck of the flange. If you dont have sketchup installed on your computer download the amazing free sketchup here. Dimensions in inches of weld neck flanges and stud bolts. 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. Weld neck flange dimensions class 150 to class 2500. Home datasheets flange datasheets standard connection flange datasheets flange long weld neck, ansi class 150, asme b16. There are several types of reducing flanges including weldneck reducing flanges, slipon reducing flanges. Browse blind flanges din pn10 stainless steel in the world wide metric, inc.
Nominal pipe size outside diameter o thickness t raised face diameter r length thru hub y point of weld a hub diameter x bore b number of holes diameter of. We also offer custommade class 900 slip on flanges that have been widely appreciated by our clients. Dimensions in inches of weld neck flanges and stud bolts asme. Blind flanges din pn10 stainless steel on world wide metric, inc. Din flanges, din weld neck flanges, din threaded flanges. This is deemed to be a specialty flange due to the protruding neck or hub, which acts as a boring extension. In pressure classes 150 and 300, the height of raised face is approximately 1. The thickness of integral flanges such as on valves is the same as weld neck in pn16 to pn100 up to 600nb. For d1 dimensions see document flange facing dimensions en 10921. Weld neck flanges are flanges that are designed to be integrated into piping systems by what industry welders describe as butt welds. Weld neck flanges are drilled with the wall thickness of the flange having equal dimensions to the matching pipe.
Benefits of using weld neck flanges weld neck flanges. The uses for long weld neck flanges lwn are predominantly on vessels where an extended neck is required. Weld neck flange dimensions are covered in asme b16. Din flanges are widely used in special circumstances with their main advantage being that they can be attached to the pipe without welding. By welding pipe to the neck of the flange stress is transferred to the pipe. The long welding neck flanges proposed in our catalog are made from a selection of different carbon steels, low alloy, low temperature, high yield, alloy and stainless steel. Weld neck flanges include a long tapered hub that aid in reinforcement and provide temperature pressure resistance. Forged carbon steel, dimensions conform to ansi b16. Blind flanges din pn10 stainless steel on world wide.
Flange din2633 pn16 welding neck flange, wnrf flange. Forged seamless long welding necks asme class 150 2500 dimensional data 56 robertjames sales, inc. During dimensional inspection of flange, you should check for. Available for solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats. Designof weld neck flangeas per asme sectionviii division2. Class 600 flange dimensions weld neck forged flange threaded forged flange lap joint forged flange socket weld forged flange blind forged flange slip on forged flange nom.
Weld neck flanges type 11 according to en 10921 100 148 nominal pressure pn 6 dn flange bolting 50 140 110 14 38 14 8 6 2,9 90 2 4 m12 2 4 m16 125 240 200 18 48 18 10 8 4 178 2 8 m16 210 170 18 45 16 10 8 3,6 150 265 225 18 48 18 12 10 4,5 202 2 8 m16. The tapered neck aids in reducing the thickness of. Weld neck flanges a b, stainless steel weld neck flanges a. Seamless long welding necks will be furnished drilled and with a 1 16 raised face which is included in thickness q and length y. Provided that the required thickness shall be free from its influence. Flange din2632 pn10 welding neck flange, wnrf flange, s235jrg.
Nps 12 through nps 24 metricinch standard bolt circle diameters are 18 inch larger than bolt diameter. Swivel flange spools and adapters sara manufactures a wide range of high pressure flanges, tees, crosses and conforming to api 6a and in line with specific customer r equir ements. Other material grades and compositions available upon request. Im having trouble finding a particular sizetype of flanges for downloading. Class 150 flanges nps 12 to 24 welding neck traceparts. Jun 29, 2015 the long welding neck flanges proposed in our catalog are made from a selection of different carbon steels, low alloy, low temperature, high yield, alloy and stainless steel. Browse raised face weld neck flanges din pn10 steel in the world wide metric, inc. Outside diameter 12 12 thickness q 1 716 raised face 116. If you need help deciding which flange best suits your application, feel free to. This flange is desirable for high pressure applications. The flange neck has a beveled end that, when connected to a pipe, creates a trough for a strong weld. Lapjoint flanges with neck ring for welding type 34 en 10921. C this dimension is commonly associated with true lap joints.
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