1050 gate-style dump valve, also referred to as a 1050 flip-up dump valve, is manually operated. The handle for the 1050 gate valve is a two position handle mounted on the top of the valve. In testing, the 1050 series Dump Valve had a flow rate of 3,570 GPM and was able to completely empty a 2500 Gallon tank in 42 seconds.
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