Rating pressure of flanges

A blind flange is a plate for covering or closing the end of a pipe. A flange joint is a connection of pipes, where the connecting pieces have flanges by which the parts are bolted together. Although the word flange generally refers to the actual raised rim or lip of a fitting, many flanged plumbing fittings are themselves known as 'flanges':

Rating pressure of flanges

ASME / ANSI Flange Ratings - Learn about Pressure-Temperature Ratings of Flanges

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Further, the industrial flanges in each standard are divided into pressure classes, allowing flanges to be capable of taking different pressure ratings. These pressure classes also have differing pressure and temperature ratings for different materials.

In series A, our class ratings are for lb, lb, lb, lb and lb. In series B, our class ratings are for 75lb, lb, lb, lb, lb and lb. As for BS Section 3.

BS Flanges

Our pressure rating includes PN1, PN2. The types of EN flanges and collars are type no. According to specification, type number 32, 33, 35, 36 and 37 are for use with type 02 flange and type number 34 for use with type 04 flange.

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Also welcome to buy from China our steel flanges.ISO norm defines Nomimal Pressure for pipe components. API 6D compares also ANSI Class with PN. The pressure rating on this table do not mean design pressure (bar or psi). Dimensions of PN 10 Flanges EN NOTE 1: Dimensions N1, N2 and N3 are measured at the intersection of the hub draft angle and the back face of the flange.

Schedule 40 Fittings & Accessories Pipe Flanges Part Number Size Std Pk Mstr Ctn Disc Code Price Each Flange Van Stone Style Flange x PIP Soc psi Maximum Internal Pressure Rating @ .

This document is for reference only and should not be construed as an express or implied warranty by Vize or Ohmart/VEGA.

Rating pressure of flanges

Information is subject to change without notice. ASME/ANSI B - - Cast Iron Pipe Flanges and Flanged Fittings ASME/ANSI B - - Malleable Iron Threaded Fittings ASME/ANSI B - - Cast Iron Threaded Fittings. One Company.

Class 300 Flanges

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Flanges General - Pressure-temperature ratings ASTM and ASME -