Fisher 8580, Instruction Manual, Page: 18 / 24

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