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EDWARD PISTON (LIFT) CHECK VALVES – UNIVALVE

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

STANDARDS

ASME B16.34
ASME Section III

DESIGN RANGE

Size Range:
NPS 1/2 to 4
DN 15 to 100

Pressure Class Range:
1690 to 4500
PN 290 to 760
Seating Material: Metal

FEATURES & BENEFITS
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

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