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butterfly valve

   Also found in: Dictionary/thesaurus, Wikipedia 0.04 sec.
butterfly valve [′bəd·ər‚flī ‚valv]
(engineering)
A valve that utilizes a turnable disk element to regulate flow in a pipe or duct system, such as a hydraulic turbine or a ventilating system. Also known as butterfly damper.


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A suction butterfly valve streamlines maintenance by enabling pump replacement without draining the tank.
This is accomplished by simply closing a butterfly valve and lifting the frame out of a stationary feeding station, according to the literature.
When maximum reliability is required in high-end industrial butterfly valve applications where cost is not a consideration, PVC and CPVC are the materials of choice, not metal.
 
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