ULTRA-DUTY-TWIN-FLAPPER-CHECK-VALVE
Ultra-Duty Cartridge Type Twin Flapper Check Valve The Ultra-Duty Cartridge Type Twin Flapper Check Valve act as a dual barrier tool within the tool-string against well fluid backflow through the coiled tubing. The flapper cartridges that fit into the housing feature combined elastomeric, and metal sealing which provides efficient low and high-pressure sealing and simpler …