List for Check Valve Specifications

Are cushioning chambers or dashpots required (i.e. for extremely pulsating flows). 

Bypass required, if any, and location if different from catalog. 

Outside lever and weight — if valve is to be sensitive to flow reversal or to open under minimum pressure. 

End type (flanged, screwed, welding, etc.) (If flanged, specify raised-face or ring-type joint). 

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