Installation, Operation and Maintenance Manual
Butterfly Valve Type 55Type 55IS Pneumatic Actuated Type TA
22
Single action type
- Solenoid valve-A speed controller adjusts and fasten a lock nut by open ended spanners.
Spanner wrench
Single action
Opening speed
Closing speed
Air to open type
Not adjustable
Adjustable
Air to shut type
Adjustable
Not adjustable
Procedure
1) Release the adjustment knob of the solenoid valve by turning
the locking nut left with a spanner, holding the right
adjustment knob of the speed controller with a finger.
2) Turn right the adjustment knob of the solenoid valve fully.
Avoid excessive tightening.
(The speed controller can be damaged.)
3) Supply the air to the solenoid valve.
4) After applying regular rated voltage to solenoid valve, turn off
the solenoid valve, and turn left the close side adjustment knob
little by little.
5) When the adjustment is finished, fix the adjustment knob by
turning locking nuts right with a spanner, holding the
adjustment knob with fingers.
Avoid excessive tightening.
(The locking nut can be damaged.)
Necessary items
For Single action type with solenoid valve
For Single action type with speed controller
Caution
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