Emergency Shutdown Valve Quarter-Turn Operation Close Valve In Less Than A Second
ESDV features are designed for accuracy and dependability
■ Trunnion-mounted ball valve
■ Fail-safe spring return actuator
■ Low emissions design
■ Anti-blowout stem configuration
■ Fast response time
Full Open Position – Normal Operation
The ESDV provides minimal pressure Differential when Differential when the valve the valve is in full-open-open position.
The full bore ball valve virtually acts like a pipe minimizing process fluid turbulence
Full Closed Position – Emergency Situation
Setpoint pressure has been exceeded and the ESDV the ESDV has fully closed providing fully closed providing tight shutoff with its double-seated design.
■ Valve Type: Trunnion mounted full port ball valve
■ Body Style: Side entry, forged body
■ Actuator Type: Single-acting, spring return
■ Instrumentation: Pneumatic
■ Size Range: 6 – 36”
■ Pressure Ratings: ANSI Class 150 - 2500
■ Shut Off: Soft seat - tested up to Class VI Metal seat - tested up to Class V
■ End Connections: RFFE, RTJ, weld end
■ Closing Time < 2 second (depending on size
| Operation Step | Emergency Shutdown Valve Quarter-Turn Operation to Close the Valve Action |
| Step 1 | Verify the availability of power supply and ensure it is turned on. |
| Step 2 | Identify the emergency shutdown valve to be closed. |
| Step 3 | Position yourself in a safe location away from the valve. |
| Step 4 | Locate the manual or automatic control mechanism for the valve. |
| Step 5 | If using a manual control mechanism, turn the handle or lever clockwise to close the valve. |
| Step 6 | If using an automatic control mechanism, initiate the shutdown sequence according to the manufacturer's instructions. |
| Step 7 | Monitor the valve's position indicator to ensure it is fully closed. |
| Step 8 | Confirm the valve's closure by checking the pressure or flow indicators associated with the valve. |
| Step 9 | Secure the valve by engaging any locking mechanisms, if applicable. |
| Step 10 | Notify the appropriate personnel or control room about the closure of the emergency shutdown valve. |
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High Accuracy Emergency Shutdown Valve Quarter Turn Operation Close Valve In Less Than A Second Images
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