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Air Lock Relay >> AIR LOCK RELAY (3/2 & 5/2 VERSION, SENALR - 3, SENALR - 5)
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AIR LOCK RELAY (3/2 & 5/2 VERSION, SENALR - 3, SENALR - 5)
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FEATURES : - For control valve application.
- Sensitivity 0.5 bar.
- Most suited for critical applications.
- No External bleed.
- Adjustable from 3.0 to 10.0 bar.
- 3 way & 4 way versions available where all ports are blocked.
- Super compact in size.
- Dual diaphragms for high sensitivity.
- Application most suited to perform emergency shut down on pressure fluctuation with in 0.5 bar.
CONNECTION :
CASE - 1 :
Air lock relay 3/2 SENALR is connected between actuator & solenoid valve. On drop of pressure below set pressure it locks actuator in position & unless pressure resumes it maintains position (Assumption that actuator & fittings have no leakage)
CASE - 2 :
Air lock relay 3/2 SENALR-3 is connected before solenoid valve. On drop of Pressure below set pressure actuator remains in position depending upon solenoid valve position. Under energized condition & on the event of air failure actuator remains actuated, on de energisation, the actuator closes.
CASE - 3 :
5/2 air lock relay SENALR-5 is installed between solenoid valve, or positioner output & actuator ports. On event of drop pressure below set pressure, air lock relay maintains pressure locked condition. Positioner change does not reflect cylinder movement, but external forces can change actuator position.
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