6 LF876V-DOSY-GPM

Item Number: 0124483
1 1
$19,358.77
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Nominal Size: 6 inch
  • Weight: 705.0 lb
  • Body Material: Ductile iron Grade 65-45-12
  • Coating: ArmorTek advanced epoxy system for corrosion resistance
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Temperature Range: 33°F - 140°F (0.5°C - 60°C) continuous
  • Lead Content: Less than 0.25% by weight
  • Bypass: Gallons per minute (GPM) metered
  • Approvals: UL Classified, FM Approved, ASSE 1048, IAPMO/CUPC, AWWA C510, CSA B64.5

Description

The FEBCO 6 inch LF876V Double Check Detector Backflow Preventer Assembly is designed for non-health hazard applications in potable water and fire sprinkler systems. It effectively prevents backpressure and backsiphonage, while its GPM metered bypass detects system leaks or unauthorized water usage. Constructed with a durable ductile iron body and ArmorTek advanced epoxy coating, it offers superior corrosion resistance. This lead-free assembly is UL Classified, FM Approved, ASSE 1048, IAPMO/CUPC, AWWA C510, and CSA B64.5 compliant, supporting both horizontal (N-Pattern) and vertical-up installations. It has a maximum working pressure of 175 psi.

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End Connections

  • This 6 inch backflow preventer's end connections are compliant to ASME B16.1 Class 125 and AWWA Class D Flange standards, ensuring compatibility with standard flanged piping systems.

Valve Setters Compatibility

  • Compatible with Series 611 Valve Setters, which come in various configurations including Mechanical Joint x Mechanical Joint (MJ x MJ), Mechanical Joint x Flange (MJ x FL), and Flange x Flange (FL x FL), adhering to AWWA C111/A21.11 and ASME B16.1 Class 125/AWWA Class D Flange standards.
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Additional Details

The FEBCO 6 inch lead-free MasterSeries® LF876V Double Check Detector Backflow Preventer Assembly is designed to protect potable water systems and fire sprinkler systems from possible backpressure and backsiphonage conditions of non-health hazard pollutants.

This assembly provides indications of system leakage or unauthorized water use and is suitable for both horizontal (N-Pattern) and vertical-up (Z-Pattern) installations.

Key Features

  • 6 inch configurable design double check detector backflow preventer assembly
  • Prevents reverse flow of polluted water for non-health hazard applications
  • Suitable for potable drinking water systems and fire sprinkler systems
  • ArmorTek® advanced epoxy coating system for superior corrosion resistance (MIC and exposed metal substrate)
  • Lead-free construction (wetted surface contains less than 0.25% lead by weight)
  • In-line serviceable main valve assembly with two independently acting clapper style check modules
  • Gallons per minute (GPM) metered bypass to detect leaks and unauthorized water usage
  • Configurable for both horizontal (N-Pattern) and vertical-up (Z-Pattern) installations to reduce installation footprint
  • Includes UL Classified/FM Approved inlet/outlet resilient seated shutoff valves and four test cocks
  • Ductile iron valve body for durability
  • Stainless steel check components and springs
  • Silicone elastomer discs

Always refer to local governing authorities for installation requirements and read all installation instructions before beginning.

Specifications

  • Nominal Size: 6 inch
  • Main Valve Body Material: Ductile iron Grade 65-45-12
  • Coating: ArmorTek powder coating
  • Shutoff Valves: OSY resilient wedge gate valve AWWA C515 (UL/FM)
  • Check Seats Material: Stainless steel
  • Disc Holder Material: Stainless steel
  • Elastomer Disc Material: Silicone
  • Spring Material: Stainless steel
  • Clamp Standard: AWWA C606

Performance Ratings

  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Minimum Working Pressure: 10 psi (0.7 bar)
  • Hydrostatic Test Pressure: 350 psi (24.1 bar)
  • Hydrostatic Safety Pressure: 700 psi (48.3 bar)
  • Temperature Range: 33°F - 140°F (0.5°C - 60°C) continuous
  • Nominal Weight (OSY): 529 lb (240 kg)
  • Lead Content: Less than 0.25% by weight

Certificates & Approvals

  • Approved by Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • ASSE 1048 Listed
  • UL Classified (U.S. & Canada)
  • FM Approved
  • IAPMO/CUPC
  • AWWA Standard C510 Compliant
  • CSA B64.5
  • End Connections: Compliant to ASME B16.1 Class 125 & AWWA Class D Flange

FAQs

What is the primary purpose of the FEBCO 6 inch LF876V Double Check Detector Assembly?

This backflow preventer is designed to protect potable drinking water systems and fire sprinkler systems from contamination caused by backpressure or backsiphonage of non-health hazard (pollutant) water. It also helps detect leaks and unauthorized water usage.

What are the key materials used in the construction of this assembly?

The main valve body is made from durable Ductile Iron Grade 65-45-12, coated with ArmorTek advanced epoxy for corrosion resistance. Internal components like check seats, disc holders, and springs are stainless steel, with silicone elastomer discs.

Does this backflow preventer comply with lead-free requirements?

Yes, this MasterSeries LF876V assembly is lead-free, meaning the wetted surface of the product that contacts consumable water contains less than 0.25% lead by weight.

What is the maximum operating pressure and temperature range for this unit?

The maximum working pressure for the 6 inch LF876V is 175 psi (12.1 bar), and it operates continuously within a temperature range of 33°F to 140°F (0.5°C to 60°C).

Can this backflow preventer detect water leaks or unauthorized water use?

Yes, it features an auxiliary bypass line with a 5/8"x3/4" Water Meter that complies with ANSI/AWWA Standard C700. This bypass line is specifically designed to detect potential underground water leaks or unauthorized water usage.

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