System Components
UL EX-4510 2-1-12 Page 1-3.3
REV. 4
Description
Selector valves are used to direct the flow of INERGEN
®
into a single hazard of a multiple hazard system.
When pneumatic actuation is required for the 1 in. and 2 in.
valves, a Stackable Actuator Assembly, Part No. 428566,
must be ordered separately.
When electric actuation is required for the 1 in. and 2 in.
valves, a Booster Actuator, Part No. 428949, must be
ordered separately.
When electric actuation is required for the 2 1/2 in., 3 in.
and 4 in. valves, a Selector Valve Electric Actuation Kit,
Part No. 426893, must be ordered separately. Note: These
selector valves cannot be pressure operated.
Selector valves can be manually operated by mounting a
lever actuator either directly onto the valve or onto the top
of the electric actuator. See Lever Release Actuator
Component Sheet for correct actuator.
Selector Valves
Component Material Thread Size/Type Approvals
Equivalent Length
(Sch. 80 Pipe)
1 in. Selector Valve Bronze 1 in. NPT Female UL Listed (EX-4510); 1/2 in. – 1.9 ft (0.6 m)
(Used for 1/2 in., Listed for use with 3/4 in. – 6.4 ft (1.9 m)
3/4 in. and 1 in. FM Approved systems 1 in. – 10.4 ft (3.2 m)
pipe sizes)
2 in. Selector Valve Bronze 2 in. NPT Female UL Listed (EX-4510); 1 1/4 in. – 16.2 ft (4.9 m)
(Used for 1 1/4 in., Listed for use with 1 1/2 in. – 22.4 ft (6.8 m)
1 1/2 in. and 2 in. FM Approved systems 2 in. – 67.4 ft (20.5 m)
pipe sizes)
2 in., 2 1/2 in., 3 in. Ductile 3 in. Flange UL Listed (EX-4510); 2 in. – 17 ft (5.2 m)
Selector Valve Iron American Standard Listed for use with 2 1/2 in. – 43 ft (13.1 m)
Raised Face FM Approved systems 3 in. – 78 ft (23.8 m)
4 in. Selector Valve Ductile 4 in. Flange UL Listed (EX-4510); 4 in. – 111 ft (33.8 m)
Iron American Standard Listed for use with
Raised Face FM Approved systems
Note: The 3 in. and 4 in. flanged selector valves latch open upon actuation. They must be manually reset by pulling out the
reset knob on the side of the pressure actuator. If the valve is not reset, it will reopen the next time the system is
actuated, even if a different hazard requires protection.
Shipping Assembly
Part No. Description
427185 1 in. selector valve – threaded
427150 2 in. selector valve – threaded
857433 2, 2 1/2, 3 in. selector valve – flanged
857445 4 in. selector valve – flanged
426893 Electric actuator kit
842402 Brass cap
428566 Pressure operated stackable actuator
ANSUL
®
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