ASME and API certified manufacturing facilities
·The closure element is a pivoted flapper which is swung open by flow and which sits
against a mating flat surface in the valve body, under no-flow conditions.
·Full bore design.
·Metal to metal and bubble tight sealing.
·Disc-Hinge center of mass designed as standard to allow horizontal or vertical installation.
·Best CV values produces the lowest pressure drop.
·Long service life.
·Special seal surfaces design for gas service.
High pressure cast steel swing check valve for chemical / lift type check valve / stop check valve is
unidirectional and usually installed in high pressure pipelines for preventing fluid flowing back in well service
operation, their retainer plates will automatically close if fluid is pushed back.