SECTION 2 – COMPONENTS
UL EX3830 ULC EX3830
PagE 2-8 REV. 06 2014-NOV-10
KITCHEN KNIGHT II Restaurant Fire Suppression Manual
gAS SHuT-OFF VALVES
Note:
gas valves are approved for indoor use only.
gV Mechanical gas Shut-off Valve
a gas shut-off valve is required on all systems used to protect
a gas fueled cooking appliance to stop gas flow in the event of
system actuation. a mechanical gas valve can be used with the
Model MCH3 and Model NMCH3 control heads. It is connected
to the system control head by stainless steel cable. This cable
is enclosed in 1/2 in. EMT conduit with a corner pulley at each
change in direction. The valves are rated for natural and LP gas
(see Figure 2-21). Mechanical gas valves are available in the
following sizes:
Note:
Maximum operating pressure for all sizes of gV Mechanical
gas Valve is 5 psi (0.4 bar).
Valve
Part
Model No.
Size
Dim. “a”
Number
gV-75
3/4 in.
3/8 in. (9.5 mm)
550593
gV-100
1 in.
3/8 in. (9.5 mm)
550594
gV-125
1-1/4 in.
15/32 in. (12 mm)
550595
gV-150
1-1/2 in.
15/32 in. (12 mm)
550596
gV-200
2 in.
15/32 in. (12 mm)
551049
gV-250
2-1/2 in.
29/32 in. (23 mm)
550185
gV-300
3 in.
29/32 in. (23 mm)
550186
FIguRE 2-21
002853PC
EgVSO Electric gas Shut-off Valve
a gas shut-off valve is required on all systems used to protect
a gas fueled cooking appliance to stop gas flow in the event of
system actuation. a UL Listed electric gas valve can be used
with either the Model MCH3 or ECH3 control head. The valves
are rated for natural and LP gas. Valves are available in 120VaC
(see Figure 2-22). Electric gas valves are available in the follow-
ing sizes:
Valve
Part
Model No.
Size
Dim. “a”
Number
EgVSO-75
3/4 in.
50 psi (3.5 bar)
13707
EgVSO-100 1 in.
25 psi (1.7 bar)
13708
EgVSO-125 1-1/4 in.
25 psi (1.7 bar)
550360
EgVSO-150 1-1/2 in.
25 psi (1.7 bar)
13709
EgVSO-200 2 in.
25 psi (1.7 bar)
13710
EgVSO-250 2-1/2 in.
5 psi (0.3 bar)
550363
EgVSO-300 3 in.
5 psi (0.3 bar)
17643
FIguRE 2-22
006844PC
Note:
a UL Listed manual reset relay is required when using
an electric gas valve. The PYRO-CHEM KITCHEN KNIgHT II
Model SM-120 solenoid monitor must be used for this purpose.
