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R-102 Restaurant Fire Suppression Manual SECTION 3-SYSTEM COMPONENTS UL EX3470 ULC EX3470 2014-SEP-01 REV. 11 PAGE 3-9 REMOTE MANUAL PULL STATION MECHANICAL GAS VALVES The remote manual pull station (Part No. 434618 or 435960) The mechanical gas valves are designed to shut off the flow of is made out of a molded red composite material.The red color gas to the appliances upon actuation of the regulated release makes the pull station more readily identifiable as the manual assembly. The valves are available in sizes of 3/4 in., 1 in., 1 means for fire suppression system operation. The pull station 1/4 in., 1 1/2 in., and 2 in.ANSUL style; and 2 1/2 in. and 3 in. is compatible with the ANSUL Flexible Conduit. The molded ASCO style. The valves are rated for natural and LP gas. Both manual pull station should be mounted at a point of egress styles are UL Listed and includes the air cylinder, tubing, and and positioned at a height determined by the authority having fittings (Part No. 15733) for connection to the release mecha- jurisdiction. Trim Rings (Part No. 427074) (pack of 10), are nism. available. Maximum Part No.434618(Without Wire Rope) Part Operating Part No.435960(With 50 ft(15.2 m)of Wire Rope) No. Description Pressure 55598 3/4 in. Gas Valve (ANSUL) 10 psi (0.69 bar) on ®4 0 55601 1 in. Gas Valve(ANSUL) 10 psi (0.69 bar) 55604 1 1/4 in. Gas Valve (ANSUL) 10 psi (0.69 bar) 55607 1 1/2 in. Gas Valve (ANSUL) 10 psi (0.69 bar) 55610 2 in. Gas Valve (ANSUL) 10 psi (0.69 bar) P�dd 25937 2 1/2 in. Gas Valve(ASCO) 5 psi (0.35 bar) 25938 3 in. Gas Valve (ASCO) 5 psi (0.35 bar) Flow Capacity BTU/HR, at 1 in. P.D. FIGURE 3-26 (CFH) 0.64 SP GR 008326 Pipe Size P.D. 1 in.WC 1000 BTU/ft3 (inches) 0.64 SP GR Natural Gas FLEXIBLE CONDUIT 3/4 751 751,000 Flexible conduit allows for quicker installations and the conve- 1 1288 1,288,000 nience of being able to route the cable over, under and around 1 1/4 1718 1,718,000 obstacles. Flexible conduit can be used as a substitute for stan- 1 1/2 2630 2,630,000 dard EMT conduit or can be used with EMT conduit. Flexible 2 4616 4,616,000 conduit can be used only with the Molded Manual Pull Station 2 1/2 5700 5,800,000 (Part No. 434618)and mechanical gas valve installations. The 3 7100 7,300,000 Flexible Conduit comes in a 500 ft (152.4 m) length (Part No. To calculate gas flow for other than 1 inch p.d.: 434525)or together with 500 ft(152.4 m)of wire rope(Part No. 435959). New cfh = (cfh at 1 inch)x new p. . ►A 50 ft (15.2 m) Flexible Conduit pre-fed with wire rope (Part To calculate gas flow for other than 0.64 SP GR: ►No.439104)is available. New cfh = (cfh at 0.64)x f 6Z2F - Also available is a Flexible Conduit Strain Relief(50-pack)(Part New SP GR No.435979). A B C ►A 50-pack of Flexible Conduit Inserts (Part No. 434347)and a Valve Size in. (mm) in. (mm) in. (mm) ►50-pack of P-Clips(Part No.436150)are also available. 3/4 in. 3 3/4 (95.3) 6 3/8 (161.9) 5 1/2 (139.7) ►Note 1: Flexible conduit is intended for indoor use ONLY. 1 in. 3 3/4 (95.3) 6 3/8 (161.9) 5 1/2 (139.7)1 1/4 in. 4 7/8 (123.8) 7 3/8 (187.3) 6 3/8 (161.9) ►Note 2: Flexible conduit cannot be used in detection sys- 1 1/2 in. 4 7/8 (123.8) 7 3/8 (187.3) 6 3/8 (161.9) tems. 2 in. 5 7/8 (149.2) 7 7/8 (200.0) 6 11/16(169.9) 2 1/2 in. 7 13/16 (198.4) --- 9 1/16 (230.2) 3 in. 7 25/32 (197.6) ----- 9 1/16 (230.2) c c e A l 314 IN.THRU 2 IN. 2 V2 IN.THRU 3 IN. 004208 004209 FIGURE 3-27