check-valve body cap
... check-valve body 单向阀壳体 check-valve body cap 止回阀体盖 check-valve cap 止回阀盖 ...
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阀体、阀盖、附属件和控制止回阀均符合美国材料试验协会ASTM的半红铜合金分类标准。
Valve Body, Cover, Tailpiece and Control Stop shall be in conformance with ASTM Alloy Classification for Semi-Red Brass.
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