8 LF870WZ-DNRS

Item Number: 88007324
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$26,833.50
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Valve Type: Double Check Valve Backflow Preventer
  • Weight: 1101.0 lb
  • Size: 8 inch
  • Pattern: Z-Pattern (LF870WZ)
  • Body Material: Ductile Iron Grade 65-45-12
  • Corrosion Protection: ArmorTek Powder Coating
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F to 140°F continuous
  • Lead Free: Less than 0.25% lead by weight

Description

The 8-inch FEBCO MasterSeries LF870WZ double check valve backflow preventer is a lead-free assembly designed for Z-pattern drop-in replacement in potable water systems. It protects against backpressure and backsiphonage for non-health hazard (pollutant) applications, ensuring water safety in accordance with national codes. Featuring a durable ductile iron body with ArmorTek coating and stainless steel check components, it offers in-line serviceability and easy maintenance. Approved by FCCCHR-USC, ASSE 1015, UL, FM, and IAPMO, this valve has a maximum working pressure of 175 psi and a temperature range of 33°F to 140°F. Item number 88007324.

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Installation & Compatibility

The FEBCO MasterSeries LF870WZ is designed for drop-in replacement of competitor's Z-pattern valves. It protects against backpressure and backsiphonage in non-health hazard (pollutant) applications on potable water systems.

  • Standard Z-pattern installation (LF870WZ) has inlet flow vertical up and outlet flow vertical down.
  • Vertical Z-pattern installation has inlet and outlet flow vertical up.
  • End connections are compliant to ASME B16.1 Class 125 and AWWA Class D Flange.
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Additional Details

This 8 inch lead free MasterSeries LF870WZ double check valve backflow preventer assembly is specifically designed to provide drop-in replacement for a competitor's Z-pattern valves. It protects against possible backpressure and backsiphonage conditions for non-health hazard (pollutant) applications, ensuring water safety in accordance with local governing water utility codes on potable drinking water systems.

Features

  • Longer gate-to-gate length for drop-in replacement of longer valves
  • In-line serviceable assembly with compact modular design for easy maintenance
  • Vertical up/vertical down N-pattern installations supported
  • Vertical up Z-pattern installations supported
  • No special tools required for servicing
  • Captured modular spring assembly
  • Reversible and replaceable discs
  • Field replaceable seats
  • Ductile iron valve body design
  • Stainless steel check components
  • ArmorTek coating technology to resist corrosion of internals, applied to internal and external surfaces
  • Winterization feature with disc retainers and valve body drain ports
  • Clapper check assembly
  • Commonality between 1st and 2nd check components
  • Captured O-ring design
  • Lead Free construction ensures wetted surfaces contain less than 0.25% of lead by weight

Components

  • Main Valve Body: Fused epoxy ductile iron
  • Shutoff Valves: Domestic NRS resilient seated gate valves (AWWA C509)
  • Check Modules: Two in-line independent positive seating clapper checks
  • Test Cocks: Top mounted test cocks (four)
  • Check Seats: Stainless steel, replaceable
  • Disc Holders: Stainless steel
  • Elastomer Discs: Silicone, replaceable
  • Springs: Stainless steel, captured
  • Clamps: AWWA C606

Specifications

  • Valve Type: Double Check Valve Backflow Preventer
  • Size: 8 inch
  • Pattern: Z-Pattern (LF870WZ)
  • Operation: Backpressure, Backsiphonage
  • Application: Potable Water Systems, Non-Health Hazard (Pollutant) Cross-Connections, Continuous Pressure Piping
  • Lead Content: Less than 0.25% by weight (wetted surfaces)

Materials

  • Main Valve Body: Ductile Iron Grade 65-45-12
  • Body Coating: ArmorTek Powder Coating
  • Shutoff Valves: Domestic NRS Resilient Seated Gate Valves (AWWA C509 Compliant)
  • Check Seats: Stainless Steel
  • Disc Holder: Stainless Steel
  • Elastomer Disc: Silicone
  • Spring: Stainless Steel
  • Clamp: AWWA C606

Pressure & Temperature

  • 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

Certificates & Approvals

  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • ASSE 1015 Listed
  • UL Classified (U.S. & Canada)
  • FM Approved
  • IAPMO
  • AWWA Standard C510 Compliant
  • End Connections: Compliant to ASME B16.1 Class 125 & AWWA Class D Flange
  • NSF Certified to NSF/ANSI 61-G

FAQs

What is the primary use of the FEBCO MasterSeries LF870WZ?

This double check valve backflow preventer is designed to prevent the backflow of polluted water into potable water systems due to backsiphonage or backpressure. It is used in non-health hazard (pollutant) applications.

What makes this backflow preventer "lead free"?

The wetted surfaces of this product that contact consumable water contain less than 0.25% of lead by weight, complying with low lead installation requirements.

Can this valve replace existing backflow preventers from other brands?

Yes, the FEBCO MasterSeries LF870WZ is specifically designed for drop-in replacement of competitor's Z-pattern valves, featuring a longer lay-length for this purpose.

What kind of shutoff valves are included with this assembly?

This assembly includes domestic Non-Rising Stem (NRS) resilient seated gate valves, which comply with AWWA C509 standards.

What are the installation orientations supported by this backflow preventer?

This assembly supports both standard Z-pattern installation (inlet flow vertical up, outlet flow vertical down) and vertical Z-pattern installation (inlet and outlet flow vertical up).

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