12-12786 - Laserfiche WebLink

Browse Search

SECTlON III—SYSTEM COlIAPONENTS UL EX. 5174 10-31-97 Page 3-6 STAINLESS STEEL CABLE MECHANICAL GAS VALVES The 1/16 in stainless steel cable is run from the terminal detector, The mechanical gas valves are designed to shut off the flow of gas through conduit, all series detectors and pulley elbows, and into to the appliances upon actuation of the regulated release assem- the regulated release mechanism trip lever When any fusible link bly The valves are available in sizes of 3/4 in., 1 in., 1 1/4 in., 1 1/2 separates, the tension on the cable is rel�ed, and the trip lever in , and 2 in.Ansul style; and 2 1/2 in. and 3 in. Asco style The actuates the regulated release mechanism.The cable can also be valves are rated for natural and LP gas.Both sryles are UL Listed used for mechanical gas valves and remote manual pull stations. and includes the air cylinder, tubing, and fittings for connection to The cable is available in 50 ft.(15 m) (Part No. 15521) and 500 ft. the release mechanism. (152.4 m) (Part No.79653) lengths. Part Maximum Operating No. Description Pressure REMOTE MANUAL PULL STATION 55598 3/4 in.Gas Valve(ANSUL) 10 psi (69 kPa) The Remote Manual Pull Station (Part No.4835, Part No.54011, 55601 1 in.Gas Valve (ANSUL) 10 psi (69 kPa) or Part No. 415255) is required for manual actuation of the regu- 55604 1 1/4 in.Gas Valve (ANSUL) 10 psi (69 kPa) lated release assembly.The remote manual pull station should be 55607 1 1/2 in.Gas Valve (ANSUL) 10 psi (69 kPa) mounted at a point of egress and positioned at a height deter- 55610 2 in Gas Valve(ANSUL) 10 psi (69 kPa) mined by the authority having jurisdiction. Remote Pull Station, 25937 2 1/2 in.Gas Vaive (ASCO) 5 psi (34.5 kPa) Part No.415255, can also utilize a Trim Ring, Part No.7385 Trim 25938 3 in.Gas Valve(ASCO) 5 psi (34 5 kPa) Ring Shipping Assembly includes 12 Trim Rings and must be ordered as Part No.415256 0 PART NO.4635 � (WITHOUT CABLE) � � � c PART N0.54011) PART NO.415255 0 (WITH 50 FL OF CABLEI (WITHOUT CABLE) GPSE �I ��p � iN i�E � OF F � P� � i Q� _ � � L � i ooa�sa 000iss FIGURE 21 ANS�� pl ELECTRICAL GAS VALVES METAL STAMPED P�asric nno�oE� The electrical gas valves are designed to shut off the flow of either 000,63 °°°°99 natural or LP gas to the appliances upon actuation of the regulat- FIGURE 20 ed release assembly The valves are available in sizes of 3/4 in., 1 in., 1 1/2 in., 2 in , and 3 in.The valve is held open by an ener- gized solenoid and upon system actuation, the switch contacts in the regulated release assembly open, thus de-energizing the cir- cuit to the gas valve solenoid, causing the valve to close Valves are available in 120 VAC and are UL Listed. Part Maximum Operating No. Description Pressure 13707 3/4 in.Solenoid Gas Valve(ASCO) 2 psi (13 8 kPa) 13708 1 in Solenoid Gas Valve (ASCO) 1 psi (6 9 kPa) 13709 1 1/2 in Solenoid Gas Valve 25 psi (172 kPa) (ASCO) 13710 2 in Solenoid Gas Valve(ASCO) 25 psi (172 kPa) 17643 3 in.Solenoid Gas Valve(ASCO) 5 psi {34.5 kPa) 0 � FIGURE 22 UJ1FE