Maintenance Of The Control System - GF NeoFlow Betriebsanleitung

NeoFlow pressure reducing valve
7.5

Maintenance of the control system

7.5.1 Pilot valve
Code Designation
173021000 Pilot valve repair kit
Contains: (12), (16), (19),
(20) and (21)
1
4
3
2
No. Designation
1 Adjusting screw pilot valve (AS)
2 Locking nut
3 Indication disc
4 Spring case
5 Screws (8) for the spring case
6 Upper Spring Guide
7 Pilot spring
8 Locknut
9 Internal spring guide
10 Protective pane
11 Diaphragm support
12 Diaphragm
13 Diaphragm bolt
14 Diaphragm casing
15 Assembly pin
16 O-ring pilot body
17 Pilot body
18 Sticker
19 Actuator pin
20 Control cylinder
21 Control spring
22 Pilot control sealing plug
30
8
7
6
5
13
9
12
10 11
Instruction manual
18
16
17
14 15
22
21
19 20