Fisher 8580 Instruction Manual page 18

ACTUATOR
MOUNTING STYLE
STYLE A
(PDTO)
RIGHT-
HAND
1
STYLE B
(PDTC)
3
STYLE C
(PDTC)
3
LEFT-
HAND
2
STYLE D
(PDTO)
1
2
3
4
5
4
VALVE CLOSED
FORWARD
FLOW
FORWARD
FLOW
FORWARD
FLOW
FORWARD
FLOW
MOUNTING MOUNTING
5
POSITION 1 POSITION 2
MOUNTING MOUNTING
5 5
POSITION 3 POSITION 4
5