KRAL DKC Series - During operation; Checking the operating pressure; Setting the pressure maintaining valve (optional)

10 Operation
10.3 During operation
Observe the permissible operational limits of the pump station and the pumps when setting the
supplied mass flow and its temperature, Ä Technical data,Page9 and associated operating in-
structions of the pumps.
10.3 During operation
10.3.1 Checking the operating pressure
Personnel qualification: o Trained personnel
barbar
Fig.17: Manometerabsperrventil geschlossen/offen - Prinzipbild
ATTENTION
Leak in the pressure gauge through permanently opened pressure gauge shut-off valve.
► Close the pressure gauge shut-off valve immediately after completing reading.
1. Open the pressure gauge shut-off valve.
2. Read the operating pressure and close the pressure gauge shut-off valve.
10.3.2 Setting the pressure maintaining valve (optional)
Personnel qualification: o Trained personnel
Aids: o Hexagon key
1
Fig.18: Einstellung Druckhalteventil intern
1
Fig.19: Einstellung Druckhalteventil extern
1. Remove the screw plug of the pressure maintaining valve.
2. Use the Allen key1 to change the set pressure.
Turning clockwise: Increase the set pressure
Turning counter-clockwise: Decrease the set pressure
3. Tighten the screw plug of the pressure maintaining valve again.
4. Monitor the set pressure of the installed pressure gauge.
34
OID 02en-GB Edition 2019-11
Operating instructions