Butterfly Dual Plate Disc Flap Check Valve
-Design in accordance to API 594.
-Compact body with a design piece type Dual Plate Wafer Check Valve
-Patented spring that allows the soft closure of the disc as to prevent rupture and premature wear.
-Heavy work and corrosion resistant arrow.
-The two plates offer maximum resistance with the maximum time in open position.
-Total contact with metal-metal seats allow a tight seal with a minimal work pressure.
-Thrust pulleys to reduce forks friction and wear.
-Tests in accordance to API 598