The double flapper check valve is a standard coiled tubing string component. It provides a means that prevent the back flow of well fluids into the coiled tubing.
Features
- Dual Flapper sealing valve core adopted provides a stable sealing performance either at high pressure or low pressure
- Valve core is made of anti-corrossion material which cope with kinds of complex harsh working condition
- Compact high pressure pure metal sealing and low pressure non-metallic assist sealing method to provide an effect sealing either at high pressure or low pressure.
