The ALC? is an in-line, spring assisted, single guided "wafer" check valve designed to prevent "water hammer" and "reverse" flow.
同轴、管内螺纹弹簧单导对夹式止回阀，专门用于防止水击作用和倒流现象。
The ALC? is an in-line, spring assisted, single guided "wafer" check valve designed to prevent "water hammer" and "reverse" flow.
同轴、管内螺纹弹簧单导对夹式止回阀，专门用于防止水击作用和倒流现象。
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