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 only)
•
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.
K0430 Issue No. 2
C
DPI 615 IS
TASK : RELVALVE
SNAPSHOT MODE
MAXIMUM
MINIMUM
PRESSURE INT
PRESSURE INT
RESET
MAX/MIN
F1
B - Pressure regulator
18
max 30V
bar
bar
F2
C - Relief valve under test