Liquid Leak Detector Test - CAIRE COMPANION 1000 Technical Manual

3.2.1
3-2 Performance Verification
Perform the following Liquid Leak Detector Test (Section 3.2.1) to determine if there
are any substantial leaks. After performing this procedure, if you feel there is an
unacceptable amount of leakage, perform the Pressure Hold Test (Section 3.2.2) to
determine if the total leak rate is acceptable.

Liquid Leak Detector Test

You may perform the Liquid Leak Detector Test on units that contain liquid
and/or gaseous oxygen.
PROCEDURE
1. Set the flow control valve to 0 L/min (off).
2. Warm, Empty Unit: Pressurize the Companion 1000/T Portable to approximately
22 psig (152 kPa) with gaseous oxygen using the portable pressurizing setup and
gaseous oxygen supply (Figure 3-1). Close the vent valve after pressurizing the unit
and remove the pressurizing setup from the vent tube.
Vent Valve Open
Vent Tube
Clamp
Figure 3-1: Pressurizing the Companion 1000/T through the Vent Circuit
Connect the test pressure gauge to the oxygen outlet barbed fitting and set the flow
control valve to the highest setting. Place the Companion 1000/T in the portable test
fixture (Figure 3-2).
Companion 1000/T Liquid Oxygen System Technical Manual
Adjustable 0-50 psig (0-345 kPa)
Gaseous Oxygen Source
Portable
Test Fixture
P/N B-778202-00
Tee
P/N B-778211-00
Test Pressure
Gauge
P/N B-775270-00
Tubing
P/N B-778214-00
B-701964-00 Rev. C