Installation, Operation and Maintenance Manual
󲷇H-A003-E-15󲷈 Ball Valve Type 2121α Pneumatic Actuated Type AA 24
Procedure
1) Release the adjustment knob of the solenoid valve by
turning the locking nut left with a spanner, holding the two
adjustment knobs (open side and close side) of the speed
controller with fingers.
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) Apply regular rated voltage to solenoid valve, and turn left
the open side adjustment knob little by little.
5) Turn off the solenoid valve, and turn left the close side
adjustment knob little by little.
6) Repeat item 4), 5) to adjust the opening / closing speed required.
7) When the adjustment is finished, fix the adjustment knob
by turning locking nuts right with a spanner, holding the
adjustment knobs with fingers.
* Avoid excessive tightening.
(The locking nut can be damaged.)
Single action type
Spanner wrench
The actuation type changes the speed-adjustable direction.
Single action Opening speed Closing speed
Air to open type Not adjustable Adjustable
Air to shut type Adjustable Not adjustable
For Double action type with solenoid valve
Speed up
Adjustment knob
Locking knob
Speed up
Open side
Speed down
Close side
Speed down
Necessary items
For Double action type with speed controller
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