The flange weights according to standard en10921 are difference in different pressure. C this dimension is commonly associated with true lap joints. Bronze flanges asmeansi 150 lb flange diameters, thickness, bolt circles, numbers and diameters of bolts for asmeansi b16. Din 2638 weld neck flanges pn 160160 bar, din wnhebei. Dimensions of class 150 flanges standard page 70 72 nominal pipe size od of pipe od of flange thickness of flange dia of raised face thickness of raised no of. Cast iron flanges stud reference chart the number, diameter and length of. The 150 lb flange dimensions metric is known to cover pipe flanges in addition to 3 150 lb flange dimensions fittings for size nps. Sizes nps 12 through 312 are same as class 600 flanges. It covers forged steel flanges, sizes nps 12 dn 15 through nps 24 dn 600. The pressure class for flanges is often expressed in pounds. These flanges will be furnished with a 116 raised face unless otherwise specified. Flange masses weights according to standard en 10921. To know more about the flanges click on the link given here for the 150 lb flange dimensions pdf.
Flanged valves 5 inch to 24 inch face end connectors operation fig. Industry standard is to make to the slip on length thru the hub. Weights are based on manufacturers data and are approximate. Consequently, whilst the mating dimensions, the flange and facing types and designations are compatible with those given in 150 70051, t is important to take account of the following. However there are a number of factors that can impact the pressure capability of a flange.
Class 75 through class 1500 for the size range nps 26 through nps 60. At the request of the american petroleum institute api, flange dimensions, in accordance. Industry standard is to make to the slip on length through the hub. Slipon flanges are all bored slightly larger that the o. Flanges are standardized according publications from organizations like asme, mss, api and others. The pressure rating will also determine the dimensions of the flange full details can be found in the relevant specification. Flange dimensions are determined by the pipe size and the pressure class required for the application. Dimensions of ansi 150lb rfso flanges slipon flanges. How to combine files into a pdf adobe acrobat dc tutorials. Weld neck 10 150 lb flange dimensions are covered in asme b16. On the website of promat bd you can find more information about the various performances, dimensions et cetera. 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.
All dimensions are in inches these flanges will be furnished with a 116 raised face unless otherwise specified. Or, to simplify, just state the actual pipe sizes in order of larger to smaller. Asme american society of mechanical engineers asme is one of the leading organizations in the world developing codes and standards. Flanges are standardized according publications from. The technical drawing, dimensions and weight details of din 2638 pn 160 weld neck flanges. Browse raised faced slipon flanges ansi 150 steel in the world wide metric, inc. British standard bs4504 engineers use the prefix pn pressure nominale. It is welded both inside and out to provide sufficient strength and prevent leakage.
Generally, a pn16 flange is designed to withstand pressures up to 16 bar. Flange dimensions were based on the manufacturers standardization society standard practice mss sp 44 flanges, except for class 75 flanges that are ansiapi 605 flanges. Flange dimensions technical data ansi150 ansi300 ansi600. Carbon steel pipe flanges dimensions and weights atlas steels. Choose from a variety of file types multiple pdf files, microsoft word documents, microsoft excel spreadsheets, microsoft powerpoint. Stainless steel flanges, carbon steel forged flanges 15 nb. Ansi, mss and api standards govern flange dimensions and tolerances. A class 300 flange is rated to a higher pressure than a class 150 flange, because a class 300 flange is constructed with more metal and therefore can withstand more pressure. You can also choose from ansi, iso, and din ansi 125 flange dimensions, as well as from welding ansi 125 flange dimensions, and whether ansi 125 flange dimensions is stainless steel, or carbon steel. Flange dimensions ansi 600 flange dimensions shown are per ansi b16. Dimensions of class 150 flanges standard page 70 72. Nominal pipe size outside diameter o thickness t raised face diameter r.
This flange is circumferentially welded into the system at its neck which means that the integrity of the butt welded. Standard bore will be furnished unless otherwise specified. This dimension is commonly associated with true lap joints. Nipoflange nipoflange manufacturer nipoflange supplier. Forged steel flanges index flanges class 150 pn20 to class 2500 pn 420 welding neck, slipon. A wide variety of ansi 125 flange dimensions options are available to you, such as equal, reducing. Applications vary, confirm all dimensions with your engineering department prior to ordering.
Pipefit supplies are a stockist of a wide range of energy saving products including zinga cold galvanising cathodic protection, armstrong steam traps, steamstar trap management software, flodirect 99. Flange comparison table standard dimensions mm nb mm name rating od pcd bolts dia. Valve identification specification valves are supplied with flanges to ansi b16. Slipon plate flanges od and drilling for 12 through 24 pipe sizes per asmeansi b16. A wide variety of class 150 flange dimensions options are available to you, such as shape, standard, and connection. Nominal pipe size nps inches outside diameter of flange incheso.
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