6 LF870V-DNRS

Item Number: 0683119
1 1
$13,580.44
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Size: 6 inch
  • Weight: 670.0 lb
  • Lead Free Construction: <0.25% lead content
  • Body Material: Ductile Iron Grade 65-45-12
  • Coating: ArmorTek® epoxy for corrosion resistance
  • Shutoff Valves: Non-Rising Stem (NRS)
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 140°F continuous
  • Approved: ASSE 1015, UL, FM, IAPMO, NSF/ANSI 61-G

Description

This 6 inch Lead Free Double Check Valve Backflow Preventer Assembly protects potable water systems from backflow due to backsiphonage or backpressure in non-health hazard applications. It features a durable ductile iron body with ArmorTek® epoxy coating for corrosion resistance and includes non-rising stem (NRS) shutoff valves. Designed for in-line servicing, it supports both horizontal N-pattern and vertical up Z-pattern installations. With a maximum working pressure of 175 psi and a temperature range of 33°F to 140°F, this assembly meets ASSE 1015, UL, FM, IAPMO, and NSF/ANSI 61-G standards. Item number 0683119.

Help Me Connect

Installation Orientation

This backflow preventer assembly supports both horizontal N-pattern installations and vertical up Z-pattern installations. The standard N-pattern configuration for this 6 inch unit is inlet flow vertical up and outlet flow vertical down.

Connections

The end connections are compliant to ASME B16.1 Class 125 and AWWA Class D Flange standards, ensuring compatibility with corresponding flanged piping systems.

View full details

Additional Details

This 6 inch Lead Free MasterSeries® LF870V Double Check Valve Backflow Preventer Assembly is designed to protect potable water supplies from backflow due to backsiphonage or backpressure from non-health hazard (pollutant) applications.

It is ideal for continuous pressure piping applications and cross-connections with non-toxic contaminants, ensuring compliance with plumbing codes and water authority requirements.

Features

  • In-line serviceable assembly for easy maintenance
  • Supports Horizontal N-pattern and Vertical up Z-pattern installations
  • No special tools required for servicing
  • Features a captured modular spring assembly
  • Reversible and replaceable discs and field replaceable seats
  • Ductile iron valve body design
  • Stainless steel check components
  • ArmorTek® coating technology to resist corrosion of internals and protect against microbial-induced corrosion (MIC)
  • Winterization feature with disc retainers and valve body drain ports
  • Includes a clapper check assembly
  • Commonality between 1st and 2nd check components
  • Captured O-ring design

Specifications

  • Size: 6 inch
  • Product Type: Double Check Valve Backflow Preventer Assembly
  • Body Material: Ductile Iron Grade 65-45-12
  • Coating: ArmorTek powder coating
  • Shutoff Valves: NRS resilient wedge gate valve (AWWA C509 Standard)
  • Check Seats: Stainless steel
  • Disc Holder: Stainless steel
  • Elastomer Disc: Silicone
  • Spring: Stainless steel
  • Clamp: AWWA C606

Performance

  • 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
  • NSF Certified to NSF/ANSI 61-G
  • End Connections: Compliant to ASME B16.1 Class 125 & AWWA Class D Flange

FAQs

What is the primary function of the 6 inch LF870V Double Check Valve Assembly?

This assembly is designed to prevent the backflow of polluted water into the potable water supply, caused by backsiphonage or backpressure conditions. It is used in non-health hazard applications to protect against non-toxic contaminants.

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 an ArmorTek® powder coating. It features stainless steel check components, silicone elastomer discs, and stainless steel springs.

What installation orientations are supported for the LF870V assembly?

The LF870V assembly is approved for both horizontal N-pattern installations and vertical up Z-pattern installations. The standard N-pattern typically involves inlet flow vertical up and outlet flow vertical down.

What are the maximum operating pressure and temperature limits for this device?

The maximum working pressure for this assembly 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).

What certifications and approvals does this backflow preventer hold?

This assembly is ASSE 1015 Listed, UL Classified (U.S. & Canada), FM Approved, IAPMO listed, and AWWA Standard C510 Compliant. It is also NSF Certified to NSF/ANSI 61-G.

Related Products