Typical natural gas supply installation. Figure 11.
Gas supply
Inside wall
Outside wall
Shut off
To barbecue
| Quick disconnect | |
Male fitting | Locking | |
shut off | ||
|
The quick disconnect is installed above ground
Figure 11
Install gas supply (continued)
■Pipe compound should be used which is resistant to
the action of natural gas when NPT connections are made.
■The outdoor connector must be firmly attached to rigid, permanent construction.
Gas line piping
■If the length of line required does not exceed 50 feet,
use a 5/8" O.D. tube. One size larger should be used for lengths greater than 50 feet.
■Gas piping may be copper tubing, type K or L;
polyethylene plastic tube, with a minimum wall thickness of .062 inch; or standard weight (schedule 40) steel or wrought iron pipe.
■Copper tubing must be
more than 0.3 grams of hydrogen sulfide per 100 cubic feet of gas.
■Plastic tubing is suitable only for outdoor, underground use.
■Gas piping in contact with earth, or any other material
which may corrode the piping, must be protected against corrosion in an approved manner.
■Underground piping must have a minimum of 18" cover.
Test connections
All connections and joints must be thoroughly tested for leaks in accordance with local codes and all listed procedures in the latest edition of ANSI Z223.1.
mDANGER
Do not use an open flame to check for gas leaks. Be sure there are no sparks or open flames in the area while you check for gas leaks. This will result in a fire or explosion which can cause serious bodily injury or death, and damage to property.
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