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What is normally closed or normally open motorized ball valve
2013-06-22 15:35:21
 

Normally closed motorized ball valve also named NC motorized ball valve,Spring Return motorized ball valve,Electric actuated ball valve,fail safe valve,etc

Normally open motorized ball valve also named NO motorized ball valve,Spring Return motorized ball valve,Electric actuated ball valve,fail safe valve,etc

How will the Spring Return motorized ball valve work?

NC valve: Original state is close,the valve open when power on and valve closed when power off.

NO valve:Original state is open,the valve close when power on and valve open when power off

 


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