SPX APV DELTA M4, Руководство по эксплуатации

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9.1 Dismantling from the line system M4 / MT4, (MP4 / MTP4)
a. Shut off line pressure and discharge lines and tanks if possibe.
b. Valve design NC: control actuator with air.
Do not touch movable parts!
Risk of injury.
c. Remove housing screws (11) and lift complete valve insert
including actuator out of the housing.
d. Valve design NC: cut off compressed air.
e. CU design: remove the control unit by turning the
locking ring.
Valve position indicator: remove proximity switches.
Detach indicator housing
(proximity switch holder) from actuator.
9.2 Dismantling of product-wetted parts
The item numbers refer to the spare parts drawings
M4, ME4, MT4:
DN design RN 01.064.0
inch design RN 01.064.1
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 lower valve shaft (3) out of the actuator (13), remove
seat seal (2).
c. Remove membrane (4) and upper valve shaft (5).
Only with valves of the nominal dimensions DN 25 / 1”
must the membrane (4) be removed as follows:
Twist valve shaft off the guide rod.
Remove membrane (4) and upper
valve shaft (5).
d. Remove yoke (8) from actuator (13).
e. Detach O-ring (6) and guide bush (7) from the yoke (8).
f. MT4 valves: the tank housing seal (23) can be replaced.
11
9. Service Instructions
MT 4
18
17
21
16
!
20
21
16
13
8
4
3
2
1
7
11
6
5
actuator screw
Membrane Valve
DELTA M4
Operating Manual Rev. 1
valve
position
indicator
UK