Febco 4" LF870V OS&Y Gates Valves

Item Number: 0683112
1 1
$9,271.39
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Valve Size: 4 inch
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 140°F
  • Body Material: Ductile Iron
  • Coating: ArmorTek Powder Coated
  • Shutoff Valves: OS&Y Gate Valves
  • Lead Free Construction
  • In-line Serviceable Design

Description

The Febco 4 inch LF870V Lead Free Double Check Valve Assembly provides crucial protection against backpressure and backsiphonage in potable water systems. Engineered for non-health hazard (pollutant) applications, this assembly features a durable ductile iron body with a corrosion-resistant ArmorTek epoxy coating. It includes OS&Y gate valves, stainless steel check components, and 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 - 140°F, it ensures reliable performance. This in-line serviceable unit is ASSE 1015, UL, FM, IAPMO, and NSF 61-G approved, meeting strict lead-free requirements.

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Connections

  • This 4 inch double check valve assembly features standard flange connections that are compliant to ASME B16.1 Class 125 and AWWA Class D Flange standards.
  • The assembly is configurable for both horizontal N-pattern installations and vertical up Z-pattern installations, offering versatility for different piping layouts.
  • Shutoff valves are OS&Y (Outside Stem & Yoke) Gate Valves, designed for reliable operation.
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Additional Details

The Febco 4 inch LF870V Double Check Valve Assembly is specifically designed to protect potable drinking water systems from backpressure and backsiphonage of non-health hazard (pollutant) water, complying with Local Governing Water Utility Code requirements.

This assembly provides reliable protection against polluted water being pumped or siphoned back into the main water supply, ideal for continuous pressure piping applications and non-health hazard cross-connections.

Features

  • In-line serviceable assembly for easy maintenance
  • Supports both Horizontal N-pattern and Vertical up Z-pattern installations
  • No special tools required for servicing check modules
  • Equipped with a captured modular spring assembly
  • Features reversible and replaceable discs and field replaceable seats
  • Constructed with a ductile iron valve body design
  • Includes stainless steel check components and a clapper check assembly
  • ArmorTek coating technology to resist microbial-induced corrosion (MIC) and protect exposed metal substrate
  • Features a winterization feature with disc retainers and valve body drain ports
  • Commonality between 1st and 2nd check components for streamlined parts
  • Captured O-ring design for reliable sealing

This is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable. Please be sure you order carefully. If you have ANY questions, please contact us before ordering.

Specifications

  • Product Type: Double Check Valve Assembly
  • Valve Size: 4 inch
  • Brand: Febco
  • Model: LF870V
  • Valves: OS&Y (Outside Stem & Yoke) Gate Valves
  • Body Material: Ductile iron Grade 65-45-12
  • Coating: ArmorTek powder coating (applied to internal and external surfaces)
  • Check Seats: Stainless steel
  • Disc Holder: Stainless steel
  • Elastomer Disc: Silicone
  • Spring Material: Stainless steel
  • Clamp Material: AWWA C606

Performance

  • Maximum Working Pressure: 175 psi
  • Minimum Working Pressure: 10 psi
  • Hydrostatic Test Pressure: 350 psi
  • Hydrostatic Safety Pressure: 700 psi
  • Temperature Range: 33°F - 140°F (0.5°C - 60°C) continuous
  • Lay Length: 14 inch
  • Weight: 445 lbs

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
  • Lead Content: Wetted surface contains less than 0.25% of lead by weight

FAQs

What is the primary purpose of the Febco LF870V Double Check Valve Assembly?

This assembly is designed to protect potable drinking water systems from backpressure and backsiphonage conditions. It prevents non-health hazard (pollutant) water from re-entering the main water supply.

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

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

Can this backflow preventer be installed in different orientations?

Yes, the Febco LF870V supports both horizontal N-pattern installations and vertical up Z-pattern installations, providing flexibility for various piping configurations.

Is this product compliant with lead-free standards?

Yes, the LF870V features Lead Free construction, meaning the wetted surface of the product contacted by consumable water contains less than 0.25% of lead by weight. It complies with low lead installation requirements.

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

The maximum working pressure for this assembly is 175 psi. It operates continuously within a temperature range of 33°F to 140°F (0.5°C to 60°C).

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