BACKFLOW PREVENTERS

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Vacuum Breaker Backflow Preventers AVB1 SERIES ATMOSPHERIC TYPE VACUUM BREAKERS The Apollo Series AVB1 Atmospheric Type Vacuum Breaker is designed to prevent back-siphonage of polluted water into a potable water system. It should only be installed in areas where spillage of water could not cause damage and where it can be accessible for periodic maintenance. This device is not designed for continuous pressure application. Should be installed a minimum of 6” above all downstream piping with no downstream shutoffs. Sizes 1/4",3/8", 1/2", 3/4", 1", 1-1/4, 1-1/2", 2" MATERIALS Valve Body Cast Bronze Seat Disc Silicone Float & Gasket Polypropylene Guide Brass Seat Cast Bronze Canopy Chrome-plated Steel Screw Zinc-plated Steel Contact local water authorities for installation/service requirements. OPERATION During flow conditions, the flow of water lifts the float disc and seals the atmospheric vent at all rates of flow, preventing leakage. When a negative pressure is created at the supply line or when the water supply valve upstream of the device is closed, the float disc will fall, thus opening the atmospheric vent. This prevents back-siphonage and creation of vacuum at the discharge line. FEATURES • Corrosion resistant • Bronze body • Suitable for hot or cold water service: (up to 212°F at 125 psig) for up to 1" (up to 180°F at 125 psig) for 1-1/4" thru 2" • Heat resistant silicone seat disc • Rough brass or polished chrome finish • Easy to maintain • Compact and lightweight • Durable • ASSE1001 Flow Curves : (*) Rated flow as determined by ASSE design performance standards. Rate of flow SUFFIX NO. FINISH 01 Rough Brass 03 Rough Chrome 04 Polished Brass Pressure Loss (PSI) Rate of flow Dimensions in.(mm) – Weights - lbs.(kg) Ordering No. Model No. Size A B C D Wt/100 38-101 AVB114 1/4 (6) 29/32 (23) 2-3/8 (60) 1-1/32 (26) 1-13/16 (46) 50.96 (23) 38-102 AVB138 3/8 (10) 29/32 (23) 2-3/8 (60) 1-1/32 (26) 1-13/16 (46) 47.7 (22) 38-103 AVB112 1/2 (15) 1-3/32 (28) 2-1/2 (65) 1-3/16 (30) 1-3/16 (30) 54.7 (25) 38-104 AVB134 3/4 (20) 1-5/16 (33) 3-1/16 (78) 1-15/32 (37) 2-1/8 (54) 79.7 (36) 38-105 AVB11 1 (25) 1-3/4 (45) 4-1/16 (103) 1-7/8 (48) 2-7/8 (73) 174 (79) 38-106 AVB1114 1-1/4 (32) 2 (50) 4-3/8 (111) 2 (50) 3-3/4 (95) 316 (143) 38-107 AVB1112 1-1/2 (40) 2 (50) 4-3/8 (111) 2 (50) 3-3/4 (95) 289 (131) 38-108 AVB12 2 (50) 2-1/8 (54) 4-1/2 (114) 2-1/4 (57) 3-3/4 (95) 369 (167) 22 Customer Service 1-704-841-6000
Vacuum Breaker Backflow Preventers AVB2 SERIES ATMOSPHERIC TYPE VACUUM BREAKERS (FORGED BODY) The Apollo Series AVB2 Atmospheric Type Vacuum Breaker is designed to prevent back-siphonage of polluted water into a potable water system. The device should only be installed in areas where spillage of water could not cause damage. This device is not designed for continuous pressure applications. Should be installed a minimum of 6” above all downstream piping with no shut offs downstream. OPERATION During flow conditions, the flow of water lifts the float and seals the atmospheric vent, preventing leakage. If a negative pressure is created at the supply line or when the water supply valve upstream of the device is closed, the float will fall. This action opens the atmospheric vent, and prevents back-siphonage in the discharge line. Sizes 1/4", 3/8, 1/2", 3/4" MATERIALS Body Forged Brass Seat Disc Silicone Float Polypropylene Cap and guide Noryl® Canopy Chrome-Plated Steel Screw Zinc-plated steel FEATURES • Corrosion resistant • Forged brass body • Suitable for hot or cold water service up to 212°F and 125 psi • Rough brass, rough chrome or polished chrome finish • Easy to maintain • Compact and lightweight • ASSE1001 Flow Curves : (*) Rated flow as determined by ASSE design performance standards. Contact local water authorities for installation/service requirements. SUFFIX NO. FINISH 01 Rough Brass 03 Rough Chrome 06 Polished Chrome N N Shape 38-230 38-200 Dimensions - in.(mm) – Weights - lbs.(kg) Ordering No. Model No. Size A B C D Wt/100 38-201 AVB214 1/4 (6) 1-3/32 (28) 2-5/16 (59) 1-1/32 (26) 21/32 (17) 50.6 (23) 38-202 AVB238 3/8 (10) 1-3/32 (28) 2-5/16 (59) 1-1/32 (26) 21/32 (17) 47.7 (22) 38-203 AVB212 1/2 (15) 1-9/32 (33) 2-5/8 (67) 1-9/32 (33) 1-7/8 (48) 54.7 (25) 38-204 AVB234 3/4 (20) 1-15/32 (37) 3 (80) 1-15/32 (37) 2 (50) 63.1 (29) 38-231N DMVB14 1/4 (6) 3/4 (20) 2-7/32 (56) 1-7/16 (36) 21/32 (17) 26.2 (12) 38-232N DMVB38 3/8 (10) 7/8 (22) 2-7/32 (56) 1-3/4 (44) 21/32 (17) 31.2 (14) www.apollovalves.com 23
Page 1 and 2: MADE IN THE USA BACKFLOW PREVENTERS
Page 3 and 4: SELECTION GUIDE Backflow Preventers
Page 5 and 6: Double Check Valve Backflow Prevent
Page 7 and 8: Sizes 2-1/2”, 3", 4", 6", 8" MATE
Page 9 and 10: DCDA-4SG Series Double Check Detect
Page 11 and 12: Reduced Pressure Backflow Preventer
Page 13 and 14: Shown with option (F) - SAE threade
Page 15 and 16: RP-40 Series Reduced Pressure Backf
Page 17 and 18: RP-40S Series Reduced Pressure Back
Page 19 and 20: MATERIALS Body and covers Sizes 3",
Page 21: Reduced Pressure Backflow Preventer
Page 25 and 26: PVB-4V SERIES (Previously Model PVB
Page 27 and 28: Dual Check w/ Atmospheric Port Back
Page 29 and 30: Dual Check Backflow Preventers DUC-
Page 31 and 32: Carbonated Beverage Backflow Preven
Page 33 and 34: Hose Connection Vacuum Breaker/ Lab
Page 35 and 36: “Y” Strainers Backflow Prevente
Page 37 and 38: Accessories Accessories Backflow Pr
Page 39 and 40: Accessories Accessories Backflow Pr
Page 41 and 42: Backflow Shut-Off Valves Non-Rising
Page 43 and 44: APPROVALS** TYPE OF DEVICE MODEL OR

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