Issues regarding the flanges of safety valves
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If the manufacturer is provided with the model of the safety valve, such as LFXD-1503S, can it be determined whether the inlet flange of the safety valve uses octagonal gaskets?
Go to the site and take a look; there are markings on the flange
It’s not obvious; the pressure ratings and diameters of inlet and outlet flanges are often different
This post was last edited by COLORZERO on 2018-1-13 at 15:09. Check out the link: http://www.cnwhvalve.net/product/1644.htm
American standard pilot-operated safety valve, pressure rating 1500LB, requires octagonal gasket, material: stainless steel
Valves should indicate the applicable standards, as there are significant differences between various standards.