Gas Shut-Off Valves - CaptiveAire EWC Installation, Operation And Maintenance Manual

Gas Shut-Off Valves

The electric gas valve is held open in the energized state, and closes when de-energized via the output
relay of the control panel. A listed manual reset relay is required to ensure manual reset prior to fuel being
restored in accordance to NFPA17A.
Gas valves are designed to shut off the flow of gas to the kitchen appliances in the event of fire system
activation. Electric gas shutoff valves must be installed with an upstream strainer to prevent debris from
prohibiting gas valve function. New pipe, properly reamed and cleaned of metal burrs, should be used.
Proper care is needed to ensure that the gas flow is in the same direction as indicated on the gas valve
and strainer. Do not over-tighten pipe connections. Apply pipe dope to the male threads only. If necessary,
install a drip leg in the gas line in accordance with the Authority Having Jurisdiction (AHJ).
120V AC gas valves 3/4" - 2" can be mounted with the solenoid in any position above horizontal.
120V AC gas valves 2-1/2" - 3" must be mounted with the solenoid vertical and upright. The pipe must be
horizontal.
All 24V DC gas valves must be mounted with the solenoid vertical and upright. The pipe must be
horizontal.
Proper clearance must be provided in order to service the strainers. A minimum of 4" clearance distance
must be provided at the base of the strainer.
DIM "G"
Gas Valve
Strainer
(ASCO)
8214235 4417K64
8214250 4417K65
8214265 4417K66
8214275 4417K67
8214280 4417K68
8214290 4417K69
8214240 4417K71
Figure 35 - Electric Gas Valve
DIM "A"
DIM "B"
Table 12 - Gas Valve Details
Size DIM "A" DIM "B"
3/4" 6-15/16" 5-15/16"
1" 6-15/16" 5-15/16"
1-1/4" 7-5/8"
1-1/2" 7-5/8"
2" 7-5/8"
2-1/2" 10-5/16" 8-1/16"
3" 10-5/16" 8-1/16"
DIM "F"
Electric Gas Valve
FLOW
DIM "C"
Strainer
4" Minimum Clearance
DIM "C" DIM "D"
4"
4-7/8" 5-3/16"
6-3/8" 5-1/8" 5-15/16"
6-3/8" 5-3/4" 6-3/16"
6-3/8" 7-1/4" 7-13/16"
8-7/8"
10" 10-15/16"
40
DIM "D"
DIM "F" DIM "G"
4-1/2" 11-15/16"
12-13/16" 10-11/16"
13-1/2" 12-1/16"
14-1/8" 12-5/16"
15-5/8" 13-15/16"
9-7/8" 18-15/16" 18-5/8"
20-1/16" 19-11/16"
9-7/8"