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ASCO Piston Valve Piston Valve

Piston Valve
Piston Valve

ASCO’s new range of clog-proof drain valves features the 8290 series piloted piston valve, known for its proven ruggedness and dependability. It is availablein 3/8” to 1” NPT and features a 316 Stainless Steel body for durability and fluid compatibility. Because of its design, it is a zero maintenance valve which requires no condensate filter or strainer. The 8290 is an economical alternative to electric motorized ball drain valves.

Select a link under the "item" tab below to order.

Cat #TypePipe Size (ins.)Max. Fluid Temp.°FCv FlowWater Max.Orifice Dia.(ins.)Volume Drained per Second (oz/sec.) 1MinAir or Water Pilot Pressure (psi) Min.Air or Water Pilot Pressure (psi) Max.
8290A791Pilot Operated Piston Valve - Normally Closed3/8”3662.32403/8”76060150
8290A792Pilot Operated Piston Valve - Normally Closed1/2”3664.11801/2”117060150
8290A793Pilot Operated Piston Valve - Normally Closed3/4”3667.6903/4”154060150
8290A395Pilot Operated Piston Valve - Normally Closed1”36615901”304060150
8290A386Pilot Operated Piston Valve - Normally Closed1”36615901”304060150


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