Azbil Corporation Parts Replacement
VDC, VAC, VST, VAA - Diaphragm Control Valve 6-7
6-6 : Disassembly and Assembly of Model PSA6 Actuator
6-6-1 : General
Structure
This actuator consists of a cylinder, spring unit, lift stopper, spring retainer, hexagon
stay, yoke, manual handwheel and a single action positioner.
For an external view of the a Actuator, refer to Fig. 4-18, Exterior of.PSA6R.
(1)Without manual handwheel (2) With manual handwheel
Figure 6-7 Exterior of PSA6R
Assembly on Valve Body
Assembling nuts integral to the valve body connect the yoke and valve body. The
stem connector connect the actuator's rod and valve stem.
Pneumatic Tubing
The tubing is connected to a single action positioner when used as a control valve.
Refer to the following instruction manuals for details of single action positioners.
Pneumatic positioner (Model HTP) No. OM2-8310-0200
Electro-pneumatic positioner (Model HEP) No. OM2-8310-0100
Electro-pneumatic positioner (Model AVP300/301) No. CM2-AVP300-2001
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