11
Double Seal Butterfly Valve
DSV
Operating Manual: rev. 2
10.1 Dismantling from the line system
DANGER !
a. Shut off connecting lines, discharge line pressure and drain
lines if possible.
b. Disconnect electric and pneumatic connections.
c. Release the clamp connection at the proximity switch holder.
Pull out proximity switch.
d. Separate cleaning connecting lines and leakage drain lines.
e. Remove the hex. Screws (14) from the mating flange.
f. Take out double seal butterfly valve from between the flanges.
Attention! Dismantling of the valve from the line system
is only possible in closed valve state.
10.2 Dismantling of turning actuator with valve position indicator
The item numbers refer to the spare parts lists.
- Remove the fastening screw (12) at the adapter flange (10).
Detach turning actuator to the top.
- Turning actuator with Control Unit
Disassembly of the turning actuator is carried out as described
in paragraph Turning Actuator.
The Control Unit need not be removed from the turning actuator.
- For further dismantling of the valve, remove coupling and
adapter flange.
10.3 Dismantling of manual actuation
- Screw off the fastening screw at the handle and detach the
handle to the top.
10. Service Instructions
bush bearing
45° offset
illustration
cyl. pin
seal
thread seal
coupling
adapter flange
turning actuator
UK
inner
hex. screw
inner hex. screw
and spring ring
DSV-UK2.qxp / 10.2005
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