How does the air come from the schematic diagram of vacuum pneumatic ball valve- Shanghai Dongfeng Pump Valve Factory - 上海花千坊_上海龙凤花坛_夜上海最新论坛

How does the air come from the schematic diagram of vacuum pneumatic ball valve?

How does the air come from the schematic diagram of vacuum pneumatic ball valve?

Metal hoses have flexible pipe pitch, good flexibility, corrosion resistance, high temperature resistance, and are easy to install and fix
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