SPX APV DELTA M4, Руководство по эксплуатации

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9. Service Instructions
9.2 The item numbers refer to the spare parts drawings
MP4, MEP4, MTP4:
DN design RN 01.064.2
inch design RN 01.064.3
II. Dismantling of product-wetted parts
a. CU design and valve position indicator:
First of all, release actuator screw. Release the locking nut (21),
while holding up the centering washer (16). Remove the
centering washer.
b. Pull membrane shaft (4) with guide rod out of the actuator (13)
and twist membrane shaft off the guide rod (9).
c. Remove upper valve shaft (5).
d. Dismantle yoke (8) from actuator (13).
e. Remove seal ring (2).
f. Detach O-ring (6) and guide bush (7) from the yoke (8).
g. MTP4 valves: the tank housing seal (23) can be replaced.
18
20
21
16
13
8
7
2
5
4
9
6
actuator screw
17
21
16
Membrane Valve
DELTA M4
Operating Manual Rev. 1
valve
position
indicator
UK