spring reducing valve
... spring offset valve 弹簧移位的阀 spring reducing valve 弹簧减压阀; 弹簧减压阀安全阀; 安全阀 spring safety valve 弹簧安全阀 ...
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弹簧薄膜式减压阀 Spring diaphragm reducing valve
弹簧式蒸汽减压阀 ZZYP
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内置减压阀，避免因外来强压或强风形态下闭门而成造地弹簧保护或漏油。
Built-in pressure relief valve to protect the unit against any abuse from strong pressure or strong wind when closing the door.
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模块下移
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