Nansi flange standard pdf

Orifice flanges are not covered by this standard, but all ansi flange tolerances, where applicable, apply to all coastal orifice flange diminisions except the bore. Standard pipe flange dimensions the attached table compares the dimensions of australian, ansi, din and jis standard flange details up to 1200 mm nominal bore. Jis b2220 5k flange standard dimensions china hebei. Coastal flange stocks import and domestic ansi b16. Box 40443 houston, tx 772400443 11906 fm 529 houston, tx 77041. Dimensions of din 2632 pn10 flanges 26 350 68 6,3 16 430 12 16 3 7,1 12 68 385 7,1 12 320 16 482 m 24 26 m 20 22 400 565 26 515 72 440 mayapple international industrial limited dustrial. Ms british standard flanges, ms american standard flanges, ms din standard flanges, gi british standard flanges, ss british standard flanges, ss american standard flanges, ss din standard flanges, flanges table d, flanges table e, flanges table f, flanges table. Regardless of size or specification, flanges are fundamentally designed to close, cover, connect, or support pipe systems. Aalco service centres operate a quality manual designed. The second, called fstyle, uses conventional bolt holes in the flange periphery. A flange standard lays down the dimensions, surface finish, facing type, marking, material and technical specifications for flanges.

The six common types of ansi class flanges, including. This can be attributed firstly to the fact that this part of iso 7005 has not, prior to this revision, been updated and, secondly, that this part of iso 7005 lacked normative requirements for many materials and their corresponding pressuretemperature ratings. Iso flange assembly instructions optional fastener flanges are joined around the periphery with clamps. Flange information fill in where appropriate flange description. Federal institute, promoting development and application of standardization in the manufacturing and service industries. Class 150 flanges except lap joint will be furnished with 0. It comprises flanges with din origin and pndn designations dn classification being dependent on pn.

The pt rating of all other flanges shall be agreed between the manufacturer and the. The first, called kstyle, uses separate clamps hooked over the outer edge of the mating flanges and spaced around the circumference. Ansi standard flange dimensions are designated as 150, 300, 400, 600, 900, 1500, and 2500, in sizes nps 12 through nps 24. Both materials may also influence which class your flange is placed into. Flange weights, dimensions and working pressures prochem. This standard covers the following cast copper alloy. Id branch flange rating rf rtj material type header. Flange comparison o standards generally compatible bs. National flange standards in europe have largely been superseded by the european en 1092 series. Pn 25 flanges din en 10921 flangesforgingsflangeforging.

As 2129, and forged flanges to asme standards in ratings of class, are stocked by prochem throughout. Aug 06, 2014 ansi delivers flange standards to consumers related to pressure in pounds per second per inch psi, according to the size of the flange. Ms british standard flanges, ms american standard flanges, ms din standard flanges, gi british standard flanges, ss british standard flanges, ss american standard flanges, ss din standard flanges, flanges table d, flanges table e, flanges table f, flanges table h, asa 150, asa 300, asa 600, nd 10, nd 16, nd 40. Consult relevant manufacturers data for information on its products.

Web site offers news, articles, online standards store and up to date information about national and international standardization activities. For the bore b1 other standard wall thickness, refer to page 46,47. This standard specifies the characteristics of hexagon flange head tapping screws with thread sizes from st2. The pressure ratings change based on the material from which it is made andor the temperature at which it operates. Lanl engineering standards manual pd342 chapter 17 pressure safety section d20b31. Isolarge iso lfmf the iso large flange standard is known as lf, lfb, mf or sometimes just iso. This european standard specifies requeriments for the attachment of partturn actuators, with or without gearboxes, to industrial valves. Nps 12 through nps 24 metricinch standard covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and flanged fittings. The pressure rating will also determine the dimensions of the flange full details can be found in. Flange types with dimensions such as thickness are covered by various other din standards. For precise data, particularly on flange thickness, refer to relevant standard.

It looks like a flat circular disk with inner bore and bolt holes on it. The international standard corresponding to this standard and the symbol of degree of correspondence are as follows. Please select your country or region to be directed to the appropriate lesker site. A wide variety of ansi standard flange options are available to you, such as ansi, asme, and din. Steel pipe flange standards china hebei haihao flange.

Same goes for dn20kf to dn25kf and dn32kf to dn40kf. This technical standard gives details of steel and cast iron flange sizes and types normally approved by the sa water. The pressure and size may differ depending on whether the flange is welded, threaded or bolted to a pipe. Haihao flange factory manufacture jis b2220 5k flanges in the dimensions 10a1500a,our flange products contain weld neck flange,slip on flange,blind flange etc. Rotatable flanged fittings dn 40 to 600 saintgobain pam. Holes 125 din 240 200 8 x 18 250 210 8 x 18 250 210 8 x 18 270 220 8 x 26 270 220 8 x 26 jis 235 200 8 x 19 250 210 8 x 23 270 225 8 x 25 270 225 8 x 25 300 250. This table will assist you identify the gasket you need to seal most standard flanges. Experience in using the standard showed the need for hub dimensions of companion flanges and for other changes, including rerating of 250lb and 1,350lb flanges and development of flanged fittings with integral bases. This standard covers minimum requirements for class 150 and 300 cast ductile iron pipe flanges and flanged fittings.

The steel flange harmonization specified in the previous edition did not achieve the anticipated market acceptance. The flange and pipe thicknesses, the bolt grades and the o ring. Dimensions of din 2633 pn16 flanges 12 16 82 390 8 12 16 250 405 26 355 70 6,3 320 mayapple international industrial limited dustrial. This means a dn10kf can mate to a dn16kf by using an adaptive centering ring. The mm values are rounded off to the nearest 0 or 5 in the asme standard. The custom plate flange has a circular disk that is welded onto the end of a pipe and allows it to be bolted to another pipe. Sizes nps 12 through 312 are same as class 600 flanges. Pvc pressures pipes metric series dimensions of adapter for backing flange 95. The pt ratings from en 10921 apply only for flange types 05, 11, 12, and 21 having nominal sizes up to and including dn 600. Some sizes share their flange dimensions with their respective larger neighbour and use the same clamp size. Iso flanges conform to the vacuum flange standards issued by the international standards organization iso. Flanges are standardized according publications from organizations like asme, mss, api and others. Dimensions for din2632 pn10 others than din 2633 pn16. Flange tables flanges are commonly used to connect valves into pipework making it easier for removal and maintenance.

Quick reference flange chart pn6 5k 125 lbs pn10 10k 150 lbs pn16 16k 300 lbs pn25 20k 300 lbs pn40 40k 600 lbs o. For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter. Ansi 600, 900, 1500 flange thickness does not include raised face. Flange table ansi bs 10 nominal size 25mm 1 in bs 4504 diameter of flange bolt circle number number of bolts diameter of bolts diameter of holes diameter of raised face height of raised face thickness of flange. Inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm valve size raised face welding end ring and groove raised face ring and groove raised face welding end ring and. Vacuum flanges several vacuum flange standards exist with. Double claw clamps are used when a pair of of flanges are joined see diagram a. Gasketed joint application information nonstandard flanges. Iso 70051 included in its original scope din based and ansi asme flanges, then en1092 was created for. Ansi b16 valve face to face dimensions also available short pattern. They share the same underlying principle as the qf kf or nw flange series in that two smoothfaced sexless flanges clamp together with a sealing device between them. Various national standards bodies have incorporated this. Long welding neck flanges catalogue hydraulic and offshore.

Custom plain flange custom plate flange is also called custom flat flange, plate slip on flange or a ring flange. Grey cast iron copper alloy cast and forged steel pn 6 120 90 4 m12 14 70 2 16 pn 10 140 100 4 m16 18 78 2 18 pn 16 140 100 4 m16 18 78 2 18 8 18 pn 25 140 100 4 m16 18 78 2 20 9 18. Flange dimensions are determined by the pipe size and the pressure class required for the application. Iso flanges have two clamping mechanisms holding the flanges together. This flange information does not necessarily apply to valves and other pipeline equipment which are often designed and manufactured to accommodate multiple flange standards. Thus, a comparison is done only for this sealing surfaces. Grey cast iron copper alloy cast and forged steel pn 6 120 90 4 m12 14 70 2 16. Due to the change of the designation of the sealing surface. 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. Manual metalarc welding, gasshielded metalarc welding, gas welding, tig welding and. Flange comparison table standard dimensions mm nb mm name rating od pcd bolts dia.