Fisher 8580 User manual

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1. For valves with a two piece, split shaft design only. DN200 300 (NPS 8 12) valves changed to a one piece, through shaft design in 2015.

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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
45MOUNTING
POSITION 2 5MOUNTING POSITION 3 5MOUNTING POSITION 4 5
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3
2
3
4
5
FORWARD
FLOW
FORWARD
FLOW
FORWARD
FLOW