APV DELTA SW4, Operating Manual

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UK
Single Seat and Change-over Valve
DELTA SW4
Operating manual UK - rev. 3
15
Single seat valves
DELTA SW41, SW42, SWE41, SWE42, SWE43, SWE44
9.1. Disassembly from the line system
1. Shut off line pressure and drain lines if possible.
2. Valve design NC: Control actuator with air!
Do not touch movable valve parts!
Risk of injury.
3. Detach clamp and lift valve insert off the housing.
4. Shut off compressed air and remove compressed air supply.
5. Take control unit off the actuator.
9.2. Dismantling of wear parts (product-wetted parts)
1. Remove housing seal.
2. Release actuator screw from the guide rod.
Remove the CU adapter.
3. Release the safety nut by holding the centering washer.
Remove the centering washer.
4. Pull the valve shaft out of the actuator.
Remove the seat seal.
5. Unscrew the yoke from the actuator.
6. Detach the seat seal, shaft seal and guide bush.
actuator screw
hex. nut
centering washer
CU adapter
single seat valve
housing
shaft
seat seal
clamp
housing seal
yoke
guide bush
shaft seal
actuator
control unit
seat seal
!
9. Service Instructions - Single Seat Valve
DELTA SW4 - UK-3.qxp 23.04.2009
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