electric butt-clamp knife gate valve---www.007uk.com - 刀型闸阀 ...
electric butt-clamp knife gate valve---www.007uk.com [原创 2010-06-20 21:29:49]   

Features
◎Quick switching on/off, reliability, equilibrium, high level of automation.
◎Unlimited installation height and position.
◎-proof electric device that allows normal operation in inflammable and explosive environment or environment with poisonous gas.
  气动刀型闸阀 http://www.007uk.com/Valve-Product/Knife-Gate-Valve/Pneumatic-knife-gate-valve5.html  gg  212  yahoo 22
    
◎Manual operating mechanism allowing manual switching on/off of the valve in case of power   failure. The medium will be  controlled effectively for prevention against accident.

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