GF NeoFlow Betriebsanleitung Seite 34

NeoFlow pressure reducing valve
5. Remove the diaphragm casing (14) from the pilot body (17) and check the o-ring (16) for wear or damage. Replace if required.
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Cleaning
To clean the pilot valve, unscrew the sealing plug (22), remove the control spring (21) and control cylinder (20) with the actuator pin
(19), check all components for wear and blow out using compressed air. Clean the sealing plug (22) and reassemble, glue the sealing
plug (22) with bolt retention.
ATTENTION!
The threads must be cleaned after opening. During assembly, the threads must be thoroughly cleaned and coated with sealing
drinking water-safe thread glue, (e.g. Weiconlock AN 302-43, Loctite 577).
► Observe the instructions of the thread glue manufacturer.
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Instruction manual