[Standard parameter]

[Valve features]

1, Double eccentric valve, close the valve sealing surface contact and acne gradually reach, no impact and noise work.

2, Micro elastic metal seat, good sealing performance.

3, Butterfly valve design, switching fast, sensitive, long service life.

4, The inclined plate structure makes the fluid channel streamline, the flow resistance is small, and the energy-saving effect is achieved.

[Adaptive condition]
      The internal screw check valve is used in the pipeline of petroleum, chemical, thermal power station and other working conditions.