Spring loaded self-actuated Zero Velocity Valve to prevent reversal return of water column by perfect non-slam closing just before reversal of water column giving most effective surge control on tripping of pumps in raw waterclear water cross country rising main and lift irrigation schemes.
APPLICATIONThese are used for automatic drainage from outfall structures to rivers, estuaries and sea. These are also used for preventing reverse flow during flood from rivers estuaries and high tide from sea. These can be offered in single or multi door design depending upon size.
Spring loaded self-actuated Zero Velocity Valve to prevent reversal return of water column by perfect non-slam closing just before reversal of water column giving most effective surge control on tripping of pumps in raw waterclear water cross country rising main and lift irrigation schemes.