Bolt two same size flanges together with a gasket sold separately to create an access point within a line. Pn 160 pn 400 flanges din en 10921 dimensions of pn. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. Carbon steel pipe flanges dimensions and weights atlas steels. Also known as class 125 flanges, these are for use in lowpressure applications. Sizes nps 12 through 312 are same as class 600 flanges.
Surrey and york flanges fit to the top of the hot water. Ansi class 125 and 250 castlron flanges or required with flat. These flanges will be furnished with a 116 raised face unless otherwise specified. Class 100, 125, and 150 pipe flanges several popular flanges that are connected to hoses are listed in this section, however, other materials and types are available upon request. Coastal flange stocks import and domestic ansi b16.
Standard bore will be furnished unless otherwise specified. Industry standard is to make to the slip on length thru the hub. Common flanges used in plumbing are the surrey flange or danzey flange, york flange, sussex flange and essex flange. Mss sp44 is the only source for the nps 22 flange dimensions above. Class 125 weld neck flange click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions ansi b16. Jis flanges 2 kgcm2 blind slipon pipe inch mm pipe d do t c holes. Are in pounds, unless noted otherwise and do not include accessories, cement lining and coatings drilling. Gray iron pipe flanges and flanged fittings classes 25, 125, and 250 an american national standard asme b16. Flange dimensions large class 150 30 thru 48 phone. Weld neck 10 150 lb flange dimensions are covered in asme b16. Cast iron soil pipes dimensions dimensions of cast iron soil pipes.
Flanged valves 5 inch to 24 inch face end connectors operation fig. G mm wn blind sow sw nominal size class 150 flanges to asme b16. For d1 dimensions see document flange facing according to din en 10921. There are many common flange standards and flanges within the same standard can etiher be flat commonly cast iron, ductile iron or raised face commonly cast steel and stainless steel. About 90% of these are flanges, 3% are pipe fittings. Each specification further delineates flanges into pressure classes. Length of machine bolt class 125 cast iron class 250 cast iron class 125 cast iron flanges dimensions in inches flanges drllllng bolling length nominal of pipe flange flange dlametar of dlame19r of number dlametar machine size dlameler thickness bolt circle boll holes ol bolts b d e bolts f. Flanges are furnished faced, drilled and spot faced or back faced. With regard to their stabilitytemperature property, the material s 1. 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. Steel flanges are occassionally produced to mate up with class 125 and. Gasket contact surface shall be 125 to 320 rms as per asme b46.
Steel flanges are occasionally produced to mate up with class 125 and class 250 valves these flange dimensions are provided for reference even though specification does not cover steel. Several popular flanges that are connected to hoses are listed in this section, however, other materials and types are available upon request. Aarp health insurance plans pdf download medicare replacement pdf download aarp medicarerx plans united healthcare pdf download. Some of the above fittings are not listed in awwa c110 but do meet applicable requirements of awwa c110. We refer to a 12 flange as dn300, when in fact it is 304mm. These fittings have identical face to face and center to face dimensions and the same flange drilling as ansi b16. Utility pipe firaings and accessories flanged fittings. Section 4a api 6a type 6b, 6bx flanges and studded crosses and tees api flanges flanges and studded blocks are designed and manufactured in accordance with the following specifications. Classes 25, 125, and 250 flange surfaces shall be faced and drilled in accordance with ansi class 125 the flanges of awwa c110a21.
Ansi shaft code 21 161 221 25 1 321 381 441 ansi shaft code 4 164 224. C this dimension is commonly associated with true lap joints. Flange table ansi bs 10 nominal size 25mm 1 in bs 4504 diameter of flange bolt circle number number of bolts diameter of. Pn 16 flanges din en 10921 dimensions of pn 16 flanges din. Cast iron flanges stud reference chart the number, diameter and length of studs for cast iron flanges class 125 and 250 cast iron soil pipes dimensions dimensions of cast iron soil pipes cast iron threaded pipe fittings working pressures maximum working pressures for cast iron threaded pipe fittings according ansi b16. Gaskets form ibc according to en 15141 form ibc 5 according to asme b 16. Table d table e table f table g table h table j table k table c table d table e table f table g table h table j ansi 125 ansi 150 ansi 300 ansi 600 ansi 900 ansi 1500 bs45046 pn6 bs450410 pn10. A flange is an external or internal ridge, or rim, for strength, as the flange of an iron beam such as an ibeam or a tbeam. The pt rating of all other flanges shall be agreed between the manufacturer and the purchaser. Cast iron threaded pipe fittings working pressures maximum working pressures for cast iron threaded pipe fittings according ansi b16. There are several standards for flanges, and we deal with four of them. Flange dimensions flange dimension guide 11 iso 7005 din pn6 190 150 4 18 m16 18 18 pn10 200 160 8 18 m16 22 19 20 pn16 200 160 8 18 m16 22 19 20. Ansi cast and ductile iron flange chart dimensions. Sometimes people use the word class instead of ansi.
Reducing flanges allow you to transition your system to a smaller pipe size. The pt ratings from en 10921 apply only for flange types 11, and 21 having nominal sizes up to and including dn 600. The american national standards institute or the ansi class 150 is a system of standards with regards to the dimensions for 150 lb steel flange dimensions like threaded, socket weld, slipon, weld neck, lap joint, and blind flanges. Iron pipe size plastic piping systems, where frequent disassembly may be required, and can be used as a transitional fitting for joining plastic to metal piping systems. Cast iron flanges stud reference chart the number, diameter and length of studs for cast iron flanges class 125 and 250. Flange tolerance pdf 296kb welding ends pdf 447kb ring joint flanges pdf 146kb print this page email this page. These flanges are typically supplied with a flat face.
Steel flanges are occassionally produced to mate up with class 125 and class 250 valves these flange dimensions are provided for reference even though specification does not cover steel. A wide variety of ansi 125 flange dimensions options are available to you, such as shape, standard, and connection. Carbon steel flanges for welding, weld neck en 10921. It should be noted that some soft seated valves such as knife gate, rubber lined butter. Flanges are commonly used to connect valves into pipework making it easier for removal and maintenance. Flange dimensions flange dimension guide 11 iso 7005. According to din en and asme normatives table of contents. Valve identification specification valves are supplied with flanges to ansi b16. Applications vary, confirm all dimensions with your engineering department prior to ordering. Carbon steel flanges mechanical properties and chemistry conform to astm a105. The 150 lb raised face flange dimensions for facing, bolts and studs are also included in the ansi class. Ansi b16 1 125 150 flanges ansi b16 1 125 150 flanges. Dimensions n1, n2 and n3 are measured at the intersection of the hub draft angle and the back face of the flange. Technical data jersey village, texas coastal flange.
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