507270-03Page 40 of 60 Issue 1917
When testing pressure of gas lines, gas valve must be
disconnected and isolated. See Figure 60. Gas valves
can be damaged if subjected to pressures greater than
1/2 psig (3.48 kPa).
IMPORTANT
FIRE OR EXPLOSION HAZARD
Failure to follow the safety warnings exactly could
result in serious injury, death, or property damage.
Never use an open ame to test for gas leaks. Check
all connections using a commercially available soap
solution made specically for leak detection. Some
soaps used for leak detection are corrosive to certain
metals. Carefully rinse piping thoroughly after leak test
has been completed.
WARNING
Figure 61. Gas Piping
Upow Applications
Figure 62. Gas Piping
Horizontal Applications
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