Taking Measurements
Relief Valve Test (REL VALVE) Task
To carry out a relief valve test, press TASK and select REL VALVE. Connect the output
pressure port of the instrument to an external system as shown below:
A
B
A - External pressure source (indicator instruments only)
C - Relief valve under test
•
To change the pressure units, if required, press INPUT and select the required
units using the cursor keys.
•
If necessary, turn on the 24 Volt internal supply by pressing OUTPUT, select 24
VOLT and switch ON with the right cursor button and press ENTER.
•
Close the vent valve and, using the hand-pump or external pressure supply, apply
pressure to the relief valve under test.
•
When the relief valve operates, the maximum recorded pressure indicates the
operating point of the valve.
Note: The STORE key can be used for this purpose. Use right cursor key initially,
followed by up/down keys to enter Snapshot text).
•
Record the test results.
•
Open vent valve to release test pressure.
Note: If using external pressure supply, isolate supply before opening the vent
valve.
DPI 615
FCT. : SOUPAPE
MODE ENREG. RAPIDE
MAXIMUM
MINIMUM
RESET
MAX/MIN
F1
F2
B - Pressure regulator
19
C
24V OFF
bar
bar
K415 Issue No. 1