Dimensions in inches of weld neck flanges and stud bolts asme. Weld neck flanges and stud bolts dimensions asme b16. Class 600 flange dimensions duplexstainlesssteelflanges. For the height measures h and b of all described dimensions of flanges on this website, with.
Weld neck flanges, welding neck flange, slip on flange, blind flange. Long weld neck flange dimensions are covered in asme b16. Weld flange dimensions welding neck flanges 150 lb. 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. Weld fittings and flanges astm specifications butt welding fittings carbon steel material specification astm specification a234 grade symbol wpa grade a wpb grade b type of steel carbon carbon chemical composition c0. Forged stainless steel flange dimensions conform to asme b16. Long weld neck standard connection flanges texas flange. Weld neck flanges are drilled machined with the wall thickness of the flange having the same dimensions of the matching pipe. Din flanges are widely used in special circumstances with their main advantage being that they can be attached to the pipe without welding.
Lapjoint flanges with neck ring for welding type 34 en 10921. The charts show the dimensions of weld neck flange class 150, 300, 400, 900, 1500, 2500 in inches and in millimeters with dimensional tolerances. This dimension is commonly associated with true lap joints. Weld neck flanges or welding neck 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. It is designed to transfer stresses to the pipe, thereby reducing high stress concentrations at the base of the flange. These standard flange are resistant to corrosion and abrasion and ensure high durability.
Minimum physical requirements ts 48,000 yp 30,000 ts 60,000 yp 35,000. The typical length stocked is 9 and 12 and can be machined to shorter lengths with a quick turnaround. Din 26 32 pn10, welding neck flanges, nw long weld neck flanges. During dimensional inspection of flange, you should check for.
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. Coastal flange stocks import and domestic ansi b16. By welding pipe to the neck of the flange stress is transferred to the pipe. Flate face ff, raised face rf, ring type joint rtj ss flange standards types and pressure class. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. Mss sp44 is the only source for the nps 22 flange dimensions above. Weights are based on manufacturers data and are approximate. Weld neck flanges include a long tapered hub that aid in reinforcement and provide temperature pressure resistance. Din 26 32 pn10, welding neck flanges, nw long weld neck.
Weldneck flanges or weldingneck flanges can be differentiated from all other types of flange by their long tapered hub. These flanges can also be manufactured with contoured bottoms. 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. 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. Standard bore will be furnished unless otherwise specified. Weld neck flange dimensions are covered in asme b16. Forged carbon steel, dimensions conform to ansi b16.
D outside diameter of flange, b bore diameter of weld neck flange, t minimum thickness of flange, h length through hub of weld neck flange. Long neck flanges are used by many industries because they are strong and resist. The knife is a group you can rotate, change the size of, and even add or remove objects within example add a function curve for an advanced cut. This datasheet is for weld neck flanges that have a raised face connection. The inside diameter of the flange is machined to match the inside diameter of the tube reducing friction and obstruction of flow. Weld neck flanges a b, stainless steel weld neck flanges a. Weld neck flanges are preferred for use in highstress applications. Bolt circle diameters are 18 inch larger than bolt diameter. Welding neck flanges weld neck raised face flanges latest.
It covers forged steel flanges, sizes nps 12 dn 15 through nps 24 dn 600. In pressure classes 150 and 300, the height of raised face is approximately 1. Long weld neck flange manufacturing forged components. Our range weld neck flanges, welding neck flanges are normally used for highpressure, cold or hot. Dimensions, sizes and specifications of din 2632 welding neck flanges pn1010bar engineering toolbox enabled for use with the amazing free sketchup 3d drawing and modeling program. Benefits of using weld neck flanges weld neck flanges. Thickness t, raised face diameter r, length thru hub y, point of weld a. Long welding neck flanges catalogue hydraulic and offshore. C o r b 1 a x y 1 weld neck flange r o c blind flange x b 2 o r c y 1 slip on flange.
Dimensions d, b, t and h refer to the basic flange dimensions. The pressure rating will also determine the dimensions of the flange full details can be found in the. The welding neck flanges is normally referred to as the high hub flange. Nominal pipe size outside diameter overall diameter inside diameter flange thickness min overall length diameter at weld bevel hub diameter face diameter number of holes bolt hole diameter diameter of circle of holes kg in piece mm in mm in mm in mm in mm in mm in mm in mm in mm in mm 12 0. The length of the flange can be increased if an offset attachment is needed on the heads or vessel shells. The flange neck has a beveled end that, when connected to a pipe, creates a trough for a strong weld. Ansi, mss and api standards govern flange dimensions and tolerances. This flange is desirable for high pressure applications. You may note that either spec only includes weld necks. Weld neck flanges a b dimensions welding neck flange bores according asmeansi b16. Other material grades and compositions available upon request.
Flange en10921 type 11 flange, pn6, pn10, pn16, pn25, pn40. Stainless steel pipe fittings and valves are the focus of pipingnow com our large inventory. Weld neck flanges are flanges with the wall thickness of the flange having the same dimensions of the matching pipe, the lighter the pipe is, the larger the bore, conversely, the heavier the pipe, the smaller the bore, they are normally used for high pressure, cold or hot temperature. Weld neck flanges are welded directly to the pipe at the neck of the flange. Home datasheets flange datasheets standard connection flange datasheets flange long weld neck, ansi class 150, asme b16. 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. Pn 16 flanges din en 10921 dimensions of pn 16 flanges. Dimensions in inches weld neck flanges and stud bolts asme b16. Weld neck flange dimensions class 150 to class 2500.
A long weld neck flange has a barrel that provides proper clearance between the nut and neck. Din flanges, din weld neck flanges, din threaded flanges, din. The lighter the pipe is, the larger the bore, conversely, the heavier the pipe, the small the bore. 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. Supply flange dimension dn15 dn2000 12 80, forged flange. Bored to match the inside diameter of the mating pipe or fitting, these flanges are directly welded to the end of the pipe. Api 2000,3000,5000 and there are two high pressure series, api 10,000 and 15,000.
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