GF NeoFlow DN200, Operating Instructions Manual

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2.4 VALVE INSTALLATION
CAUTION
Damage to the piping system through the effect of forces! Danger of injury and/or material damage due to
leaks in the piping system.
► Reduce the forces of thermal expansion of the piping system with the use of suitable fixed points
WARNING
Danger of material damage due to excessive pressure! If the NeoFlow pressure reducing valve is put into
operation without a hydrant excessive outlet pressure P2 on the NeoFlow pressure reducing valve (N) can
lead to damage in the piping system.
► Recommendation: use a hydrant .
► When putting into operation without a hydrant: open the outlet shut-off valve only slightly to be able to
control the pressure
WARNING
Leaking flange connection! Danger of injury and/or damage to property due to leaking flange connections.
► Periodic check that no media escapes to the outside.
► If media is exiting at the flanged connectors, they have to be retightened.
► Include the flange and collar width when calculating the Bolt lengths.
► Protect jointing faces and connection parts from damage and poisoning, especially from hard or sharp-
edged particles
.
Prior to installation manually press and release the valve cap to ensure it moves freely and returns to
closed
Check nameplate information to verify correct valve has been selected. Ensure the valve is installed
with flow direction arrow in the correct orientation.