OVERVIEW
Model VPP08 valve positioner is designed to operate
piston cylinder that require higher supply air pressure
than diaphragm actuator.  The positioner is a force-
balance servo-mechanism to position valve opening
correctly and rapidly by bleeding or feeding air of a
pneumatic-operated single acting actuator in
accordance with a pneumatic signal from a
controller.
FEATURES
1)  Compact, rigid construction makes it easy for
adjustment and maintenance.
2)  Changes in characterisitics can easily be made by
changing cams.
3)  Anti-corrosive materials are used for components,
thus is suitable for sevice in bad operating
atmosphere.
- 1 -
6th Edition