K0430 Issue No. 4 18
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 - External pressure source (indicator only) B - Pressure regulator C - Relief valve under test
• To change the pressure units, if required, press INPUT and select the required
units using the cursor keys.
• 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.
• Record the test results.
Note: The STORE key can be used for this purpose. Use right cursor key initially,
followed by up/down keys to enter Snapshot text.
• Open vent valve to release test pressure.
Note: If using external pressure supply, isolate supply before opening the vent
valve.
PRESSURE INT
bar
bar
RESET
MAXIMUM
MINIMUM
MAX/MIN
F2F1
A
B
C
PRESSURE INT
max 30V
TASK : RELVALVE
SNAPSHOT MODE
DPI 615 IS
3
Taking Measurements
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