MasterSeries LF876V - Watts Water

1 ES-F-LF876 VMasterSeries LF876 VDouble Check Detector Backflow Prevention Assemblies (Type II)Size: 21 2" - 10" LEAD FREE*Job Name Contractor Job Location Approval Engineer Contractor s No. Approval Representative FEBCO product specifications in customary units and metric are approximate and are provided for reference only. For precise measurements, please contact FEBCO Technical Service.

2 FEBCO reserves the right to change or modify product design, construction, specifications, or materials with-out prior notice and without incurring any obligation to make such changes and modifications on FEBCO products previously or subsequently FEBCO MasterSeries LF876V Double Check Detector Assembly is specifically designed to protect against possible backpressure and backsiphonage conditions for non-health hazard ( , pollutant) application in accordance with Local Governing Water Utility Code. This Backflow Assembly is primarily used on potable drinking Water systems and fire sprinkler systems, where Local Governing Code mandates protection from non-potable quality Water being pumped or siphoned back into the potable Water Valve.

3 Inline Serviceable Assembly Horizontal N-Pattern Installations Vertical-Up Z-Pattern Installations No Special Tools Required for Servicing Captured Modular Spring Assembly Reversible & Replaceable Discs Field Replaceable Seats Ductile Iron Valve Body Design Stainless Steel Check Components Winterization feature with disc retainers and valve body drain ports Clapper Check Assembly Commonality between 1st & 2nd Check Components Captured O-ring DesignAuxiliary Bypass: Compact Bypass Design; Remains within Main Valve Assembly Profile Inline Serviceable 3 4" Backflow Assembly No Special Tools Required for Servicing Field Replaceable Seats & Discs Detect Potential Underground Water Leaks Detect Unauthorized Water UsageSpecificationsThe FEBCO MasterSeries LF876V Double Check Detector Valve Assembly shall be installed on the potable Water supply and at each point of cross-connection to protect against possible backpressure and backsiphonage conditions for non-health hazard ( , pollutant) applications.

4 The assembly shall consist of a main line valve body composed of two (2) independently acting approved clapper style check modules with replaceable seats and disc rubbers. Servicing of both check modules does not require any special tools and are accessed through independent top entry covers. This assembly shall be fitted with approved UL/FM inlet/outlet resilient seated shutoff valves and contain four (4) properly located resilient seated test cocks as specified by AWWA Standard C510. The auxiliary bypass line contains a 5 8"x3 4" Water Meter that complies with ANSI/AWWA Standard C700 coupled with an approved check assembly. The bypass line is designed to detect leaks or unauthorized Water usage of the Water system while protecting against possible backpressure and backsiphonage conditions for non-health hazard ( , pollutant) application.

5 The assembly shall be approved for horizontal and/or vertical-up installations while meeting the requirements of AWWA Standard C510 flow and pressure loss performance LF876V Double Check Detector Assembly*The wetted surface of this product contacted by consumable Water contains less than of lead by with governing authorities for local installation requirementsNOTICEThe information contained herein is not intended to replace the full product installation and safety information available or the experience of a trained product installer. You are required to thoroughly read all installation instructions and product safety information before beginning the installation of this - SuffixOSY: UL/FM Approved OS&Y Gate Valves [ANSI/AWWA C515 Compliant]CFM: Totalizing Cubic feet/min 5 8"x 3 4" Water Meter [ANSI/AWWA C700 Compliant]GPM: Totalizing Gallons/min 5 8"x 3 4" Water Meter [ANSI/AWWA C700 Compliant]LG: Less Shutoff valves.

6 This is NOT an APPROVED ASSEMBLYE xample Ordering Description:4" LF876V -OSY-GPM - Valve Assembly fitted with OS&Y Shutoff Valves & Gallons per Minute Water Meter4" LF876V -OSY-CFM - Valve Assembly fitted with OS&Y Shutoff Valves & Cubic Feet per Minute Water Meter Available ComponentsWye Strainer: FDA Approved [ASME Class 125 & AWWA Class D Flange]Series 611 Valve Setter: MJ x MJ - Mechanical Joint x Mechanical Joint [AWWA C111 ] MJ x FL - Mechanical Joint x Flange[AWWA C111 ; ASME Class 125/AWWA Class D Flange] FL x FL Flange x Flange[ASME Class 125 & AWWA Class D Flange]MaterialsBelow is a general materials list of the Model LF876V . All assemblies size 21 2" through 8" is similar in materials and construction.

7 Please contact your local FEBCO Representative if you require further Valve Body: Ductile iron Grade 65-45-12 Coating: Fusion epoxy coated internal and external AWWA C550-90 Shutoff Valves: OSY resilient wedge gate valve AWWA C515 (UL/FM)Check Seats: Stainless SteelDisc Holder: Stainless SteelElastomer Disc: SiliconeSpring: Stainless SteelClamp: AWWA C606 Approvals Standards: Approved by the Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California [FCCCHR-USC] ASSE 1048 Listed **UL Classified [US & Canada] **FM Approved IAPMO/cUPC AWWA Standard C510 Compliant End Connections: Compliant to ASME Class 125 & AWWA Class D Flange**Assembly configured with UL/FM Approved OS&Y RW Gate Valves.

8 Less gate valve assemblies are not UL/FM approved Flow Orientation:Horizontal (N-Pattern 21 2" 8") - Approved by FCCCHR-USC, ASSE, cULus, FM, IAPMO/cUPCV ertical Up (Z-Pattern 21 2" 8") - Approved by FCCCHR-USC, ASSE, cULus, FM, IAPMO/cUPCP ressure - TemperatureMax. Working Pressure: 175psi ( bar)Min. Working Pressure: 10psi ( bar)Hydrostatic Test Pressure: 350psi ( bar)Hydrostatic Safety Pressure: 700psi ( bar)Temperature Range: 33 F - 140 F [ C- 60 C] **DBACEFK*JLTest C ock #2 Test Cock #1 First Spring AssemblyFirst Check AssemblyShutoff V alv e # 1 Test C ock #3 Second Check AssemblySecond Spring AssemblyTest Cock # 4 Shutoff Valve #2 DEAFGCHIDBACEFK*JLTest C ock #2 Test Cock #1 First Spring AssemblyFirst Check AssemblyShutoff V alv e # 1 Test C ock #3 Second Check AssemblySecond Spring AssemblyTest Cock # 4 Shutoff Valve #2 DEAFGCHIDBACEFK*JLTest C ock #2 Test Cock #1 First Spring AssemblyFirst Check AssemblyShutoff V alv e # 1 Test C ock #3 Second Check AssemblySecond Spring AssemblyTest Cock # 4 Shutoff Valve #2 DEAFGCHIM odel LF876V Standard Orientation (N-Pattern)Model LF876V Vertical Orientation (Z-Pattern)

9 Gate Valve Side ViewClearanceNote: The Series LF876V is shipped in the standard (N-Pattern) orientation as shown *JEEBIGFFAACCHDDD imensions WeightsSize: 21 2" - 10" LF876 VBelow are the nominal dimensions and physical weights for the Model LF876V size 21 2" through 10". Allowances must be made for normal manufacturing tolerances. Please visit our website to download a copy of this product s installation instructions, or contact your local FEBCO Representative for more **ABCDEFGHIJK* 2291 8740121 231861 4159251 4642171 2445135 8346271 469251 2140111 828331 289163 8416111 2292216983291 8740121 231861 4159253 4654173 4451141 8359281 471851 2140111 828333 495221 4565111 22922421104311 8791143567178273 4705183 4476151 2394317876152111 828341 2114231 4591133303471576353 4908164068203323 4831221 8562185 8473371 494671 4184121 231651 2140301 8765133305292408403 41035181 247091 4235363 4933251 8638203 4527411 2105481 22161435663 4172373 4959141 236882737510461 4117521 533107 16264413 161047281 87142311 1660147 3/812029 5/82441511 163988 203453 41162131 83331335606 Notes.

10 * Indicates nominal dimensions with OSY Gate Valves (Full Open Position)** Indicates weight of complete Backflow Assemblies with specified Gate ValvesES-F- LF876V 1826 2018 FEBCOUSA: Tel: (800) 767-1234 Fax: (800) 788-4491 : Tel: (905) 332-4090 Fax: (905) 332-7068 America: (52) 81-1001-8600 Support (furnished by customer) for valve weight capacity chart identifies valve performance based upon rated Water Velocity up to 20fps Maximum service flow rate is determined by maximum rated Velocity of AWWA Manual M-22 (Appendix C) recommends that the maximum Water Velocity in the services be not more than 10fps. UL flow rate is determined by typically rated Velocity of 15 feet/sec. Standard Orientation N-Pattern Vertical Orientation Z-Pattern Flow Curve N Flow Curve ZDBACEFK*JLTest C ock #2 Test Cock #1 First Spring AssemblyFirst Check AssemblyShutoff V alv e # 1 Test C ock #3 Second Check AssemblySecond Spring AssemblyTest Cock # 4 Shutoff Valve #2 DEAFGCHI21 2" LF876V3" LF876V4" LF876V6" LF876V8" LF876V psi 22 20 18 16 14 12 10 8 6 4 2 0 psi 22 20 18 16 14 12 10 8 6 4 2 0 psi 18 16 14 12 10 8 6 4 2 0 psi 18 16 14 12 10 8 6 4 2 0 psi 18 16