Pneumatic Extraction Check Valve

Standards Compliance

1. Design and Manufacturing Standard: ASME/ANSIB16.34, E101, JB/T3595

2. Structure Length Standard: JB/T3595, ASME/ANSIB16.10, GB/T12221

3. Welding or Flange Standard: GB/T12224, ASME/ANSIB16.25, GB/T9113

4. Acceptance Standard: JB/T9092, JB/T3595, ASME/ANSIB16.34

Main Structural Features

1. For vacuum valve and vacuum test, the whole life to meet user requirements.

2. Aimed at different temperature. The main material is carbon steel or steel, high temperature sealing surface welding carbide.

3. For disc design for the rocker arm and active connection, but with valve seal face since the rightness of, ensure the sealing face.

4. For valve seat sealing surface inclination Angle, reduce shut down time, lighten the impact, protect the equipment itself and the pipeline safety.

5. For valves equipped with damping heavy hammer, can balance the closed kinetic moment, prevent not hammer.

6. For valve body cavity adopts streamlined design, flow capacity is big, valve to reduce the resistance.

7. Is spring return type actuator cylinder or hydraulic cylinder, with a relatively independent, the valve closed and actuator failure does not affect the closing an action.

8. For cylinder hydraulic cylinder wall coating wear-resisting corrosion resistant layer, can increase life, reduce the resistance, the valve is flexible and reliable.

9. For closing a open sets limit mechanism, to avoid opening a damage.

10. For actuator is equipped with a valve switch position signal output, the valve open position on indicator.