The Univalve Piston Check Valve is reliably designed for high-temperature and high-pressure uses in a variety of environments.

• Power
• Oil & Gas
• Chemical

• Nuclear
• Conventional Steam
• Geothermal
• Combined Cycle
• Downstream Processing
• Basic
• Specialty

• ASME B16.34
• ASME Section III

• Size Range: NPS 1/2 to 4 - DN 15 to 100
• Pressure Class Range: 1690 to 4500 - PN 290 to 760
• Seating Material: Metal

• Size Range: DN 250 to 400; NPS 10 to 16
• Pressure Class Range: PN 420; Class 2500
• Seating Material: Metal

• Increased uptime from the use of anti-thrust rings in the body-guided disc, which eliminates misalignment and galling
• Greater process control due to the integral hard-surfaced seat, which allows positive shutoff and seat life
• Enhanced service integrity through an optimum flow shape that minimizes flow direction changes and pressure drops
• Lower operating costs enabled by a die-formed, flexible graphite gasket seated to a prescribed bonnet torque that provides a reliable seal