Febco 8" LF870V NRS Gates Valves

Item Number: 0124546
1 1
$26,836.44
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Size: 8 inch
  • Max Working Pressure: 175 psi
  • Temperature Range: 33°F to 140°F
  • Lead Free construction (<0.25% lead content)
  • Body Material: Ductile iron Grade 65-45-12
  • Coating: ArmorTek® advanced epoxy
  • Shutoff Valves: NRS Resilient Wedge Gate Valves
  • Check Components: Stainless steel

Description

The Febco 8" LF870V Double Check Valve Assembly provides reliable protection against backpressure and backsiphonage of non-health hazard pollutants in potable water systems. This lead-free unit features a durable ductile iron body with a patented ArmorTek® epoxy coating for enhanced corrosion resistance, equipped with NRS (Non-Rising Stem) gate valves and stainless steel internal components. Rated for a maximum working pressure of 175 psi and a continuous temperature range of 33°F to 140°F, it is compliant with AWWA C510 and NSF/ANSI 61-G standards. Ideal for non-health hazard cross-connections.

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Connections

  • This Febco LF870V Double Check Valve Assembly utilizes standard flange connections.
  • The end connections are compliant with ASME B16.1 Class 125 and AWWA Class D Flange standards.

Installation Orientation

  • The assembly can be installed in a horizontal N-pattern orientation.
  • It can also be reconfigured for a vertical up Z-pattern orientation to suit various piping layouts.

Shutoff Valves

  • This assembly comes with NRS (Non-Rising Stem) resilient wedge gate valves which are AWWA C509 compliant.
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Additional Details

The Febco 8" LF870V MasterSeries Double Check Valve Assembly is specifically designed to protect potable water systems from non-health hazard (pollutant) backpressure and backsiphonage conditions in accordance with Local Governing Water Utility Code.

This assembly is primarily used on potable drinking water systems where local codes mandate protection from non-potable quality water being pumped or siphoned back into the potable water system.

Key Features

  • Lead Free* construction with less than 0.25% lead content in wetted surfaces
  • Ductile iron valve body with patented ArmorTek® advanced epoxy coating for corrosion resistance
  • NRS (Non-Rising Stem) resilient wedge gate valves
  • Two (2) independently acting approved clapper style check modules with replaceable seats and disc rubbers
  • Stainless steel check components and disc holders
  • In-line serviceable assembly requiring no special tools for servicing
  • Configurable for horizontal N-pattern or vertical up Z-pattern installations
  • Winterization feature with disc retainers and valve body drain ports

Construction Details

  • Main valve body made from Ductile iron Grade 65-45-12
  • ArmorTek powder coating applied to internal and external surfaces
  • Check seats and disc holders are stainless steel
  • Elastomer disc made of silicone
  • Springs made of stainless steel
  • Clamps compliant with AWWA C606

*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight, meeting low lead installation requirements.

Important Safety Notice: The 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 product. Inquire with governing authorities for local installation requirements.

Specifications

  • Size: 8 inch
  • Body Material: Ductile iron Grade 65-45-12
  • Coating: ArmorTek® Powder Coating (Internal & External)
  • Shutoff Valves: NRS Resilient Wedge Gate Valve AWWA C509
  • Check Seats: Stainless steel
  • Disc Holder: Stainless steel
  • Elastomer Disc: Silicone
  • Spring: Stainless steel
  • Clamp: AWWA C606
  • 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
  • Lay Length (Center of Inlet to Center of Outlet): 18 7/8 inches (479 mm)
  • Weight (NRS Gate Valves): 1000 lbs (454 kg)

Certificates & Approvals

  • Approved by 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
  • Certified to NSF/ANSI 61-G

FAQs

What is the primary function of the Febco 8" LF870V Double Check Valve Assembly?

This assembly is designed to prevent the backflow of non-health hazard (pollutant) water into a potable drinking water system. It protects against both backpressure and backsiphonage conditions.

What materials are used in the construction of this backflow preventer?

The main valve body is made of ductile iron (Grade 65-45-12) with ArmorTek® advanced epoxy coating. It features stainless steel check components, disc holders, springs, and silicone elastomer discs.

What are the maximum operating pressure and temperature range for this assembly?

The maximum working pressure for the Febco 8" LF870V is 175 psi (12.1 bar). It can operate continuously within a temperature range of 33°F to 140°F (0.5°C to 60°C).

Does this product have specific certifications or approvals?

Yes, it is approved by FCCCHR-USC, ASSE 1015 Listed, UL Classified, FM Approved, IAPMO, and is AWWA Standard C510 Compliant. It is also certified to NSF/ANSI 61-G for potable water applications.

Can this backflow preventer be installed in different orientations?

Yes, the Febco 8" LF870V is designed for configurable installation. It supports both horizontal N-pattern and vertical up Z-pattern installations.

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