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APV_RGMS4_ATEX_UK-1_122018.indd
UK
Modulating valve with supported producut diaphragm
APV DELTA RGMS4 - MFS + MFH ATEX
Instruction manual UK-1
APV
12. Service Instructions
12.4. Assembly of valve and installation of new wear parts
8.
Screw the counternut (22) and coupling head (29) on the thread of
the upper valve shaft (13).
! Observe the adjusting dimension.
9.
Connect the valve shaft and the actuator rod of the diaphragm
actuator by means of the coupling.
10.
Press the valve insert into the housing and fasten it at the housing
flange by means of the hex. screws (9).
11.
Tighten the coupling.
12.
Connect electric and pneumatic lines.
12.5. Assembly of valve to modify kvs values or characteristics
Parts to be replaced are indicated in the corresponding spare parts
lists.
1.
Make a functional check of the available wear parts (seals, o-ring
and guide bushing). Damaged parts must be replaced immediately
(designation and ref.-No.; see spare parts lists).
2.
To replace the diaphragm actuator:
Place the diaphragm actuator (30) on the valve yoke (12) and turn
the nut on the thread. Fasten it with hammer and chisel.
3.
See chapter 12.4., pos. 1.–12.
4.
Check the function of the positioner and readjust it if necessary.
upper
valve shaft
adjusting dimension