Safety Shutdown Valve (SSV) Control System

Reliable protection for wells and flowlines

The safety shutdown valve (SSV) control system provides fail-safe shutdown of flow when pressure in the flowline falls outside a preset range. The system can also be used to perform emergency shutdown (ESD). Using a hand pump with various control components, a zero-leakage circuit is maintained to ensure that valve movement does not inadvertently occur until a fail-safe signal is received. Controls are typically pilot tripped, but solenoids can also be used for remote control where electricity is available. The control must be manually reset after a fail-safe operation has occurred. . In the event of hydraulic control line pressure loss, the valve moves to the fail-safe position.

Safety Shutdown Valve (SSV) Control System

Easy operation

To open: Set the arming valve to the ready position and operate the hand pump until the actuator has reached the fully open position. For a remote option, a solenoid valve must also be energized prior to hand pumping. For an automatic option, normal sensing pressure must be available to the pilot valve prior to hand pumping.

To close: For local operation, manually trip the arming valve to the fail position. For a remote option, deenergizing the solenoid valve will trip the arming valve. With an automatic option, any abnormal increase or decrease of pilot sensing pressure will trip the arming valve.

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SSV Control System

Safety Shutdown Valve (SSV) Control System
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