Advertisement
VR8305
INSTALLATION
Fig. 5—Install sediment trap.
DROP
PIPED
HORIZONTAL
GAS
SUPPLY
3 IN.
(76 MM)
MINIMUM
2
DROP
HORIZONTAL
TUBING
GAS
1
SUPPLY
RISER
3 IN.
(76 MM)
MINIMUM
2
ALL BENDS IN METALLIC TUBING SHOULD BE SMOOTH.
1
2
CAUTION: SHUT OFF THE MAIN GAS SUPPLY BEFORE REMOVING
END CAP TO PREVENT GAS FROM FILLING THE WORK AREA. TEST
FOR GAS LEAKAGE WHEN INSTALLATION IS COMPLETE.
Fig. 7—Proper use of wrench on gas control with and without flanges.
APPLY WRENCH
FROM TOP OR
BOTTOM OF GAS
CONTROL TO
EITHER SHADED AREA
GAS
CONTROL
RISER
GAS
CONTROL
PIPED
GAS
SUPPLY
3 IN.
(76 MM)
MINIMUM
2
GAS
CONTROL
WHEN FLANGE IS NOT USED
Fig. 6—Use moderate amount of pipe com-
pound.
TWO IMPERFECT
THREADS
THREAD PIPE THE AMOUNT
SHOWN IN TABLE FOR
INSERTION INTO GAS CONTROL
tubing is used, ensure the ends are square, deburred and
clean. All tubing bends must be smooth and without
deformation.
2. Run pipe or tubing to the gas control. If tubing is used,
obtain a tube-to-tube coupling to connect the tubing to
the gas control.
3. Install sediment trap in the supply line to the gas
control. See Fig. 5.
Install Gas Control
TABLE 4—NPT PIPE THREAD LENGTH IN INCHES.
Pipe
Size
3/8
M3077
1/2
3/4
6
GAS CONTROL
PIPE
APPLY A MODERATE AMOUNT OF
PIPE COMPOUND TO PIPE ONLY
(LEAVE TWO END THREADS BARE).
Maximum Depth
Pipe Can Be
Thread Pipe
Inserted Into
This Amount
Control
9/16
3/4
13/16
WHEN FLANGE IS USED
APPLY WRENCH
TO FLANGE ONLY
M3085A
M3075B
3/8
1/2
3/4
Advertisement
