Series XtraFlo Full Flow Trough Valve is a high demand compact armless diaphragm valve with full-flow high volume fill. The valve has a 25mm water level differential between opening and closing, reducing pump motor overload. Full-flow operation, the pump runs unrestricted until trough is full. Working Pressure is 30-1200kPa (4-174 psi). Maximum water Temperature is 60°C.