4 - ShanControls

Series 709 (2 1 ⁄2" – 10")Double Check Valve Assemblies• Designed to prevent the reverse flow of polluted water from entering the potablewater system.• For non-health hazard continuous pressure applications.• Provides protection against backsiphonage and backpressure backflow.Specifications• Temperature Range: 33°F – 110°F (5°C – 43°C)• Maximum Working Pressure: 175psi (12.1 bars)For additional information, request literature ES-709L.For WattsBox Enclosures, request literature ES-WB.709 OSYFeatures• Replaceable bronze seats• Maximum flow at low pressure drop• Design simplicity for easy maintenance• No special tools required for servicing• Captured spring assemblies for safety• Approved for vertical flow up installationModelsadd Suffix:BB bronze body. Sizes 2 1 ⁄2" – 3"(65 – 80mm)S cast iron strainerS-FDA epoxy coated cast iron strainerLF without shutoff valvesNRS non-rising stem resilient seatedgate valvesOSY UL/FM outside stem and yokeresilient seated gate valvesQT-FDA FDA epoxy coated quarter-turnball valves4Backflow Preventers & AccessoriesMC (open)*N1NLADRT709SIZE (DN) DIMENSIONS (APPROX.) STRAINER DIMENSIONS WEIGHTA C(OSY) C(NRS) D L R T M N *N1 (OSY) (NRS)in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs. lbs. kgs.2 1 ⁄2 65 39 991 16 3 ⁄8 416 9 3 ⁄8 238 3 1 ⁄2 89 24 610 4 102 3 76 10 254 6 1 ⁄2 165 10 254 195 88 167 763 80 40 1016 18 7 ⁄8 479 10 1 ⁄4 260 3 3 ⁄4 95 24 610 5 127 3 76 10 1 ⁄4 260 7 178 10 254 201 91 167 764 100 52 1321 22 3 ⁄4 578 12 3 ⁄16 310 4 1 ⁄2 114 34 864 6 152 6 152 12 1 ⁄8 308 8 1 ⁄4 210 12 305 428 194 368 1676 150 63 1 ⁄4 1607 30 1 ⁄8 765 16 406 5 1 ⁄2 140 42 1 ⁄2 1089 11 279 7 1 ⁄2 191 18 1 ⁄2 470 13 1 ⁄2 343 20 508 860 390 627 2848 200 75 1905 37 3 ⁄4 959 19 15 ⁄16 506 6 5 ⁄8 168 52 1321 11 1 ⁄4 286 9 229 21 5 ⁄8 549 15 1 ⁄2 394 22 3 ⁄4 578 1448 656 1201 54510 250 90 2286 45 3 ⁄4 1162 23 13 ⁄16 605 8 203 64 1626 12 1 ⁄2 318 10 1 ⁄4 260 26 660 18 1 ⁄2 470 28 711 2373 1076 2003 908*Dimensions needed for screen removal.For assistance, contact your local authorized Watts agent or visit our website at www.wattsreg.com39