5-25
ASDI Operations and Maintenance – TX Models – P/N: 52368
Liqui
‐
SAFE
TM
valve
–
Performance
check
(Every
6
months)
I
Latch operation. – While the valve is in the open position and the Red Flag is
down, press Button and release QUICKLY. This will cause the valve to close
and the Red Flag should pop up. Carefully press the Button again all the
way down and release SLOWLY. The valve will stay open with red flag
down.
II Leak detection. – Follow the instructions in “I” to manually open and close the
valve. Perform leak tests in both conditions. If a leak is detected at the Valve
Body (Step 1) when the valve is open, replace the Valve Body O-ring (This
can be performed in the field. See below.) If a leak is detected in Step 5
when the valve is closed (see Figure 11), follow the “Liqui-SAFE
TM
valve –
Service Instructions” and change all the o-rings. (This service should not be
performed in the field.)
Figure 10 – Follow 1 to 7 below to check the Liqui-SAFE
TM
valve operation
WARNING
Extreme caution must be taken due to the potential of flammable
vapors being exposed to the atmosphere creating an ignition. Do
not operate any equipment that may create a spark from this point.
Do not open the explosion-proof enclosure.
1. CHECK FOR LEAKS
(AT THE GAP)
STEP 1
STEP 2
STEP 3
2. PRESS AND RELEASE
QUICKLY TO CLOSE
3. CHECK FOR LEAKS
(AT PIPE THREADS)
4. CHECK FOR LEAKS
(AT VALVE THREADS)
6. PRESS AND RELEASE
SLOWLY TO RE-OPEN
5. CHECK FOR LEAKS
(AT THE GAP)
7. MAKE SURE VALVE FLAG
IS DOWN. VALE IS NOW IN
OPERATING POSITION
Summary of Contents for TORREXX TX100
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