Stop-check valve

From GAWDAwiki

A stop-check valve is a kind of check valve featuring override control that can be used to restrict flow, regardless of flow direction or pressure. A stop-check valve operates as a check valve when it is open, but it is possible to stop flow by deliberately shutting the valve.^[1]

Other Types of Valves

Other types of gases and welding valves include:

• Ball valve
• Butterfly valve
• Compressed gas valve
• Cylinder valve
• Diaphragm check valve
• Gate valve
• Globe valve
• Life support valve
• Lift-check valve
• Manifold valve
• Metering valve
• Needle valve
• Pneumatic valve
• Post valve
• Pressure relief valve
• Residual pressure valve
• Shutoff valve
• Solenoid valve
• Swing check valve

References

1. http://www.answers.com/topic/check-valve