Service; Regular Valve Inspection - GF NeoFlow Betriebsanleitung

NeoFlow pressure reducing valve
7. Tighten carefully.
CAUTION!
Loud noises!
Under extreme conditions, loud noises may appear.
► Use of appropriate hearing protection recommended.
7

Service

WARNING!
Maintenance by qualified personnel only!
Incorrect handling can damage the NeoFlow pressure reducing valve.
► Only allow maintenance by persons who have the required training, knowledge or experience.
WARNING!
Uncontrolled exit of the medium due to residual pressure!
Uncontrolled exit of the medium and/or flowing out of the medium from the open pipe and/or the valve.
► Do not use the NeoFlow pressure reducing valve as an end fitting.
► Completely relieve pressure from the pipe before dismantling.
► Open ball valves slowly!
► Do not stand in the outlet direction of the exiting medium.
► Use eye protection.
► Take suitable precautions to ensure that the outflowing medium is collected safely.
► Allow the valve to drain in a vertical position and collect the medium during the process.
CAUTION!
Leaking due to incompatible components!
Danger of injury and/or material damage due to exiting liquids due to incompatible components.
► Ensure the compatibility of the specifications of the valve and piping system prior to installation.
7.1

Regular valve inspection

The following maintenance tasks must be carried out as part of the regular valve inspection.
Maintenance interval*
As required, no later than after one year
As required, no later than every 5 years
As required, no later than every 5 years
* Depending on the quality of the pipe and the water, other maintenance intervals may be necessary.
After finalizing the maintenance tasks, please make sure you follow the steps outlined in chapter „5 Installation process" on page
11 and chapter „6 Operation" on page 20.
22
PU
KH2
SV
KH1
Maintenance task
Clean/rinse the strainer and control system &
functional test, see „7.2 Cleaning filter and control system" on
page 23.
Maintenance of the control system (pilot valve, control block),
see „7.5 Maintenance of the control system" on page 30.
Maintenance of the valve body (o-rings, strainer), see „7.5.3
Main body seals" on page 34.
P1
Instruction manual
CV