Piston Check Valve - Piston Type Pressure Seal Bonnet | Fluitek Check Valve - Piston Type Pressure Seal Bonnet | Fluitek The Check Valve - Piston Type Pressure Seal Bonnet by Fluitek is designed for high-pressure, high-temperature applications, commonly found in power and steam generation industries. This valve features a Y-pattern construction with an inclined lifting direction relative to the fluid centerline, and is available in both forged and cast body options.... View