DeZurik POWERRAC R1 Kullanım Kılavuzu - Sayfa 19

Kontrolör DeZurik POWERRAC R1 için çevrimiçi göz atın veya pdf Kullanım Kılavuzu indirin. DeZurik POWERRAC R1 20 sayfaları. Spring-return actuator used on 1/2-3" pec eccentric valves

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DeZurik POWERRAC R1 Kullanım Kılavuzu

Troubleshooting

Condition
Actuator closes to wrong position
Actuator opens to wrong position
Actuator will not fully operate
valve
Valve fails in wrong direction with
spring-return actuator
November 2020
Possible Cause
Closed position stop is set
incorrectly
Open position stop is set
incorrectly
Cylinder pressure is low
Actuator is sized
incorrectly
Piston seal in cylinder is
leaking
Pipeline obstruction is
preventing closure
Lockable Model is locked
Actuator is assembled
incorrectly
Page 19
DeZURIK
Corrective Action
Adjust closed position stop.
See Position Stops section.
Adjust open position stop.
See Position Stops section.
Increase cylinder pressure. Do not
exceed 100 psi
Use larger actuator
Replace piston seal(s)
Remove obstruction
Place in unlocked condition.
See Lockable Model section
Exchange locations of spring-return
and double-acting cylinders
D10389