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12
-15
12
Air Operated V
alve/Contr
ol V
alve
Air Operated Valve/Control Valve – Annex
PD-3
Warning before disassembly
(1) Be sure not to remove circlip
L
* Failure to follow this notice makes inner spring
P
fly out and result in injury.
(2) To remove actuator set from body
1
, supply pilot pressure to pilot port, and rise valve disc
5
. Then loose and remove actuator set by grasping hexagonal part of packing case
2
. Also,
be sure not to stop pilot pressure during supply till the work finished.
* Actuator set cannot be removed when pilot pressure is not supplied to pilot port. Also, it is
very dangerous to stop pilot pressure during supply at work because actuator set files out
from body
1
and result in injury.
(3) Before disassembly, be sure to discharge the pressure inside of the product, piping and
equipment completely (after cooling down the product in case of high-temperature fluid).
Also do not touch it with bare hands directly till it is closed.
No.
Parts
1
Body
2
Packing case
3
Gasket
5
Valve disc
20 Bonnet
22 Circlip
23 Piston
24 Exterior lip seal
26 Spring
27 Position Indicator
Warning
Position Indicator
Actuator assembly
Pilot port
Fig 1
leak detection port
Fig 2
Содержание PD-1
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