19нж53нж GOST check valve

Design and Manufacture:GOST，GB

分类： Check valve

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描述
Video

描述

19нж53нж 19с53нж GOST cast stainless steel swing check valve flanged

Main parts and materials

Parts name

Material

Body,bonnet

Cast steel/stainless steel

Stem

Cast steel + zinc/2Cr13/SS304

Disc

Cast steel/stainless steel

Video