产品包括金属座铁匠电站阀门，金属座陶瓷座全能系列球阀，金属座陶瓷座超凡系列球阀。
The products are included metal seated Vulcan Power Valve, General Severe Service Series metal and ceramic seated Ball Valves and Signature Series metal and ceramic seated Ball Valves.
阀的水路转换机构由推杆、弹簧、弹簧座、阀门塞等组成。
The water path switching mechanism of the valve is composed of a push rod, a spring, a spring seat, a valve plug, etc.
我想了解气动阀门和短尾座。
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