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Bulletin 806 Rev.K ® Jim Model G Riser Check Valves left 2'/2" (65 mm), 76 mm co ISM 3" (80 mm), 4" (100 mm), C) 6" (150 mm), 165 mm & 8" (200 mm) CD Features 1. Grooved end connections. 3•�-°'� 2. Compact, lightweight design. r.., 3. Non-slamming, spring loaded clapper to minimize water hammer. srtx 1 4. Approved for horizontal and vertical installation. . 5. Stream-lined body design provides very low F � friction loss. 6. Elastomer faced clapper provides leak-free, non-sticking sealing. Reliable Model G Riser Check Valves are intended for in- Figure 1 stallation in wet pipe fire protection system risers and pre- action systems using supervisory air as low as 1 psi (0,07 5. Dimensions A-E(Refer to figure 2). bar).The Riser Check Valve and Triri-i Kit(Figure 1)with a 21/2" 65 mm &76 mm Valves: water flow detector can provide an electric alarm,and is a A=7.12" 1 13=4.81" 1 C=3.88" I D=11.38" E=3.01" cost effective alternative to an alarm valve in installations 181 mm 122 mm 98 mm 289 mm 76 mm not requiring a mechanical alarm. 3" 80 mm Valve: A=7.62" I B=5.06" C-4.00" D=11.62" E=3.56" Riser Check Valves are factory tapped for 1'/4" (or 2') 194 mm 129 mm 102 mm 295 mm 90 rrm NPT and NPT system connections and for NPT sup- r214 " 100 mm Valve: ply connection(Ref. Figure 3). A=8.44" B=6.19" C=4.00" D=13.56" E=4.12° Grooved end connections provide fast and easy instal- mm 157 mm 152 mm 344 mm 105 mm lation using listed or approved mechanical grooved cou- 6" 160 mm &165 mm Valves: plings. '.Rigid style grooved couplings can be used for A=10.25" I B=7.06" C=5.12" D=14.44" E=5.40" positive damping to resist flexural and torsional loads. 26o mm 179 mm 130 mm 367 mm 137 mm Riser :Check Valves and associated riser equipment 8" 200 mm Valves: should periodically be given a thorough inspection and . A=12.50" B=8.50" C=5.37" D=15:00" E=6.50" test. NFPA 25 provides minimum maintenance require- 318 mm 216 mm 13s mm 381 mm 165 mm ments. Check valves should be inspected and operated F at least annually.Parts should be replaced as required. DDWNSTREAN When Model G Riser Check Valves are installed verti- GAUDE cally, the direction of the flow arrow must point upward. For horizontal installations, the hinge pin must be located at the top. In preaction systems, the valves must be in- UPSTREAM stalled vertically. GAUGE Valve Description 1. Rated working pressure-250 psi(17,2 bar). _t I 2. Factory hydrostatic test pressure-500 psi(34,5 bar). c Friction loss,expressed in equivalent length of Sch. RAIN I L 40 pipe with C=120(based on Hazen-Williams formula) 1 and a flowing velocity of 15 fVs(4.6 m/s),is: �--e--� OFELO N 2%2"(65 mm)&76 mm-7 ft(2.13 m) o 3"(80 mm)-7 ft(2.13 m) SORMOU 4"(100 mm)-10 ft(3.05 m) Figure 2 6"(150 mm)& 165 mm-16 ft(4.88 m) 6. Shipping weight(including Trim Kit): i 8"(200 mm)-15.9 ft(4.85 m) 2'/2"(65 mm) &76 mm-14 lbs.(6.4 kg) See Bulletin 807 for Pressure Drop (psi) vs. Flow Rate 3" (80 mm)-15 lbs. (6.8 kg) (gpm) data chart. • 4"(100 mm)-24 lbs,(11.0 kg) 4. Standard grooved end dimensions per ANSI/AWWA 6"(150 mm)& 165 mm-45 lbs.(20.4 kg) C606. 8"(200 mm)-63 lbs(28.58 kg) l Reliable Automatic Sprinkler Co., Inc., 103 Fairview Park Drive, Elmsford, New York 10523