qinhuangdao zhongqing metallurgical valve co., ltd-ag尊龙凯时

metallurgical valve


nominal diameter(dn)(mm)

dn500-dn2200

work pressure(mpa)

≤0.4-0.6

test pressure

壳体 1.5倍work pressure(mpa),密封 1.1倍work pressure(mpa)

on/off differential pressure(mpa)

≤0.01
working temperature ≤530
applicable medium air \smoke\ gas
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