Products List
API 6A Surface Safety Valve
The ZGV Surface Safety valve is used in conjunction with an emergency shut down system (ESD) which will be normally installed upstream of the choke manifold. The valve is remotely operated either manually by push button or automatically triggered by high/low pressure pilots. When a remote station is activated the emergency shut down panel acts as a receiver for the air signal. The unit translates this signal into a hydraulic response which bleeds the control line pressure off of the actuator and closes the fail closed valve.
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