启、阀件密封面
Blowdown Sealing Face
泄料(放空,排污)阀 Blowdown valves
制动阀 Brake valves
对夹 Butt Clamp
蝶式缓冲止回阀 Butterfly Type Non-slam Check
蜗轮传动蝶阀 Butterfly Valves with Gear Actuator
对焊连接阀 Buttwelding valves
泄料(放空,排污)阀 Blowdown valves
制动阀 Brake valves
对夹 Butt Clamp
蝶式缓冲止回阀 Butterfly Type Non-slam Check
蜗轮传动蝶阀 Butterfly Valves with Gear Actuator
对焊连接阀 Buttwelding valves
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