FIRE PROTECTION

Now in its ninth decade, Conbraco Industries, Inc. is a leading manufacturer of flow control products for U.S. and international markets. The company’s headquarters is based in Matthews, North Carolina with manufacturing plants and foundries located in Pageland and Conway, South Carolina. Conbraco has a history of new product development and innovation that dates back to the company’s inception in 1928. Today, the Conbraco line of products is marketed under the “Apollo Valves” brand and includes: ball valves, butterfly valves, backflow prevention devices, water pressure reducing valves, mixing...

BACKFLOW APPLICATIONS BACKFLOW PREVENTION FIRE PROTECTION

BACKFLOW PREVENTION Double Check Valve Double Check Valve Detector Assembly Reduced Pressure Principle Reduced Pressure Detector Assembly Atmospheric Type Vacuum Breaker Pressure Vacuum Breaker Spill Resistant Pressure Vacuum Breaker Dual Check w/Atmospheric Port Dual Check Valve Carbonated Beverage Backflow Preventer Hose Connection Vacuum Breaker Anti-Freeze Hose Connection Vacuum Breaker Hose Connection Dual Check Lab Faucet Dual Check Freeze Protection Valve “Y” Strainers Thermal Expansion Valve Expansion Tanks for Potable Systems Hose Connection Pressure Gauge Test Kits Test Kit Accessories...

BACKFLOW PREVENTION SELECTION GUIDE **Apollo Recommended BACK SIPHONAGE BACK PRESSURE APPLICATION CONTINUOUS PRESSURE AESTHETIC HAZARD DOUBLE CHECK VALVE DOUBLE CHECK DETECTOR ASSEMBLY DCDALF 4A DCDALF 4An DCDA 4SG REDUCED PRESSURE PRINCIPLE REDUCED PRESSURE PRINCIPLE (n & V Flow) REDUCED PRESSURE PRINCIPLE (Stainless Steel) REDUCED PRESSURE DETECTOR ASSEMBLY ATMOSPHERIC  VACUUM BREAKER PRESSURE  VACUUM BREAKER SPILL RESISTANT PRESSURE VACUUM BREAKER DUAL CHECK DUAL CHECK W/ ATMOS. PORT DCAP, DCAPLF CARBONATED BEVERAGE BACKFLOW PREVENTER HOSE CONNECTION VACUUM BREAKER ANTI FREEZE HOSE CONN. VACUUM...

BACKFLOW PREVENTION Apollo Valve Backflow Preventers Model Codes Apollo Valve Backflow Preventers Factory Codes Example: DCDA2 LF 4A OFBG GPM 4 Example: 4A LF 62A E4 – or – Meter Type Backflow Lead Type Size Meter Shut-off Valve Device Free Bypass Configuration MODEL CODES Backflow Device Double Check Valve Assemblies (DC) Double Check Detector Assemblies (DCDA) Reduced Pressure Assemblies (RP) Reduced Pressure Detector Assemblies (RPDA) Series DC 4A (LF) DCLF 4An DC 4SG, 4SGLF DCDA LF 4A DCDA 4AnLF DCDA 4SG, 4SGLF RP 4A (LF) RP 4AnLF RPDA 4ALF RPDA 4AnLF Options Stnd. "81" metal Bronze No Code...

BACKFLOW PREVENTION HOW TO ORDER MODEL CODES Assembly Shutoff Valve Options 1/2" - 2" Less Shutoffs Ball Valves FNPT Union Ball Valves Press Connection Push Connection 2 1/2" - 12" Less Shutoffs NRS FXF NRS FXG NRS GXG OSY FXF OSY FXG OSY GXG F OSY X Butterfly G F OSY X Post Indicator F F OSY X Post Indicator G G Butterfly X Butterfly G G Butterfly X Post Indicator F F BallValve X Ball Valve F F Post Indicator X Butterfly G F Post Indicator X Post Indicator F F Post Indicator X OSY G G OS&Y x Post Indicator G G Butterfly x Post Indicator G F Post Indicator x OS&Y F Testcock Options 1/8" SAE Flare...

APOLLO TESTABLE BACKFLOW PREVENTORS CROSS REFERENCE BACKFLOW PREVENTION Double Check Assemblies Size Apollo Model# Double Check Detector Assemblies Size Apollo Model# Reduced Pressure Assembly Apollo Model# Apollo Model# RPDA 4ALF Pressure Vacuum Breaker Size Apollo Model# Spill Resistant Vacuum Breaker Size Apollo Model# Valves www.apollovalves.com For additional information, submittal sheets and manuals, visit www.apollovalves.com

DOUBLE CHECK VALVE BACKFLOW PREVENTERS DC 4A SERIES BACKFLOW PREVENTION TOP ENTRY DOUBLE CHECK VALVE ASSEMBLY The Apollo® MODEL DC 4A Double Check Valves are designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable, but non-health hazards. The modular check valve captured spring cartridges have replaceable seats and reversible silicone seat discs. Ball valve shut-offs with stainless steel handles and nuts are standard. OPERATION During normal flow conditions, the two check valves are held off their seats, supplying...

DOUBLE CHECK VALVE BACKFLOW PREVENTER DCLF 4A SERIES BACKFLOW PREVENTION DOUBLE CHECK VALVE ASSEMBLY The Apollo® MODEL DCLF 4A Double Check Valves are designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable, but non-health hazards. The TriForce™ center stem guided check valves feature replaceable and reversible silicone seat discs. The body is domestic stainless steel from 2-1/2”-8” and FDA epoxy coated ductile iron in the 10” and 12”. Available with a wide variety of shutoff valve options. OPERATION During normal...

DOUBLE CHECK VALVE BACKFLOW PREVENTERS Nominal dimensions are shown. Allowances must be made for t See Page 56 For Flow Curves I Nominal dimensions are shown. Allowances must be made for manufacturers' 2. Internal bodyconnections are grooved on 2 'A"'- 10" sizes. 3. Internal body connections are flanged on 12" size. 4. Strainer option only available for flanged-end shut-off options. REVENTION PRODUCTS

DOUBLE CHECK VALVE BACKFLOW PREVENTER DCLF 4An SERIES BACKFLOW PREVENTION n STYLE DOUBLE CHECK VALVE ASSEMBLY The Apollo® MODEL DCLF 4An Double Check Valves are designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable, but non-health hazards. The TriForce™ center stem guided check valves feature replaceable and reversible silicone seat discs. The normally vertical up/vertical down oriented body incorporates an internal swivel connection providing the ability to pivot the second check. The n style flow body is domestic...

DOUBLE CHECK VALVE BACKFLOW PREVENTER Nominal dimensions are shown. Allowances must be made for manufacturers7 tolerances (± 1/8" (3 mm) per joint) See Page 57 For Flow Curves NetWt. (w/ Butterfly Valves) NetWt. (w/NRS Gate Valves) NetWt. (w/OS&Y Gate Valves) 1. Internal body connections are 2. Internal body connections are PREVENTION PRODUCTS