Weld flange dimensions welding neck flanges 150 lb. In pressure classes 150 and 300, the height of raised face is approximately 1. Flanges are standardized according publications from organizations like asme, mss, api and others. Metric dimensions of weld neck flange rating 150 as per. Size in inch, size in mm, outer diameter, flange thickness, hub od, weld. Mss sp44 is the only source for the nps 22 flange dimensions above. As2129 still in use but now only covers table d to h. Coastal flange stocks import and domestic ansi b16. Welding neck bore is derived from the pipe schedule. Flange table asme bs as ansi dn750mm global supply line. We offer high quality threaded flanges that are dimensionally accurate and highly resistant to corrosion. The lwn flange shall be provided with square cut end unless otherwise specified by the purchaser.
The charts show the dimensions of weld neck flange class 150, 300, 400, 900, 1500, 2500 in inches and in millimeters with dimensional tolerances. Class 150 long weld neck flange dimensions manufacturers. The pressure rating of the 300 lb ansi flange dimensions also depends on the heat treat condition and pressure class. Flange dimension charts for class 150, class 300, class 600, class 900, class 1500 and class 2500 free. We are supplier and exporter of stainless steel weld neck flanges, msssp44 wnrf flanges, 316 steel wnrf flange, steel class 150 slipon flanges, 304l ss b16. Flange dimension charts for class 150, class 300, class 600, class 900, class. Welding neck flange blind flange screwed end flange socket welding flange flange faces provided. Each specification further delineates flanges into pressure classes.
Metric dimensions 150 300 400 600 900 1500 2500 inch dimensions 150 300 400 600 900 1500 2500 templates for drilling of bolt holes metric dimensions 150 300 400 600 900 1500 2500 inch dimensions 150 300 400 600 900 1500 2500 general notes dimensions are in millimeters, except for diameters of bolts and bolt. Dimensions in inches of weld neck flanges and stud bolts asme. Stainless steel plate flange, carbon steel plate flanges. Long weld neck standard connection flanges texas flange. Flange hub raised face drilling template weight stock standard. Welding neck flange metal industries weld neck flanges, wn forged flange, weldingneck flanges in forged steel, stainless steel, as,cs etc. Weld neck flange dimensions class 150 to class 2500. Table c now obsolete, table j to t now replaced by as4331.
Flat face flanges may be provided at full thickness, c, or with raised face. For the height measures h and b of all described dimensions of flanges on this website, with. Welding neck flange metal industries weld neck flanges, wn forged flange, welding neck flanges in forged steel, stainless steel, as,cs etc. Dimensions in inches weld neck flanges and stud bolts asme. Steel mart india is distributor and stockist of asme b16. Weld neck flange dimensions are covered in asme b16. Check plate flange dimensions in mm and plate flange standard and weight chart. The pt ratings from en 10921 apply only for flange types 05, 11, 12, and 21 having nominal sizes up to and including dn. Steel mart india is most reliable manufacturer of din 2501 plate flange approved by saudi aramco. Long weld neck flange dimensions class 150 to class 2500. The 150 lb flange dimensions metric is known to cover pipe flanges in addition to 3 150 lb.
The american national standards institute or the ansi class 150 flange is a system of standards with regards to the dimensions for 150 lb steel flange dimensions like slipon, weld neck, threaded, socket weld, lap joint, and blind flanges. Stainless welding neck flanges 150 lbs sandvik materials. Bolt circle diameters are 18 inch larger than bolt diameter. Dimensions for welding neck flanges 400 class, series a 400 lbsq. Weld neck flanges, welding neck flange, slip on flange, blind flange. We maintain extensive stock of steel plate flanges. Welding neck flange, slip on flange, threaded flange. The charts show the dimensions of weld neck flange class 150, 300, 400, 900, 1500, 2500 in inches and in.
Radisson impex offers saasmeansi flange 150 lb in a variety of sizes for many applications. The lwn flanges shall have dimensions and tolerances of the standard welding neck flanges of the same size and class, except that the length through hub shall be 229 mm 9. The specifications of class 150 carbon steel flange have many points like size, standard, class or pressure and flange face type. Weights are based on manufacturers data and are approximate. Long weld neck flange dimensions are covered in asme b16. This datasheet is for weld neck flanges that have a raised face connection. Shop online raised face, weld neck, stainless flanges 304304l, 316316 in variety of sizes 150 and 300lb pressure classes.
Manufacturers and stockists of class 150 long weld neck flange dimensions. For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter, 8 holes is preferred however 4 holes may be supplied upon special request by the purchaser. Stainless steel weld neck flanges manufacturers, steel. The same drilling is specified but the pn rating system. Threaded rf dimensions mm lap joint rf dimensions mm ansi b16. Dimensions in inches of weld neck flanges and stud bolts. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. Flange dimensions are determined by the pipe size and the pressure class required for the application. G mm wn blind sow sw nominal size class 150 flanges to asme b16. Dimensions weight kg dn nps flange od a mm length thru hub bolt drilling flange thickness d mm bore sow sw b mm raised face diam.
Larger sizes as well as intermediate sizes can be furnished. Flate face ff, raised face rf, ring type joint rtj ss flange standards types and pressure class. Class 150 lb pipe flange data hub data raised face drilling data weight 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. Nominal pipe size, outside diameter o, thickness t, raised face diameter r, length thru hub y, point of weld a. Weld neck 10 150 lb flange dimensions are covered in asme b16. Pn 16 flanges din en 10921 dimensions of pn 16 flanges. 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. High pressure steel flange, forged flanges, ansi asme b16. Visit us now to learn dimensions chart of saasmeansi flange 150 lb asmeansi b16. Dimensions in inches weld neck flanges and stud bolts asme b16. Dimensions for welding neck flanges 150 class, series a 150 lbsq. In pressure classes 150 and 300, the height of raised face is approximately.
The 150 lb raised face flange dimensions for facing, studs and bolts are also included in the ansi class. This works smoothly in high temperature and pressure. Ln flange with class 150, class 300, class 400, class 600, class 900, class 1500 and class 2500. Carbon steel pipe flanges dimensions and weights atlas steels.640 399 666 1441 987 1286 279 983 280 826 850 752 835 765 1217 1111 1345 1408 1192 754 843 68 1312 940 4 48 542 1434 30 492 75 1391 937 1192 1355 1479 955 1314 789 1353 1246 924 1082