3/4 LF850U-QT DC

Item Number: 0122964
1 1
$591.40
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Valve Body Material: Lead Free* cast copper silicon alloy
  • Weight: 6.0 lb
  • Maximum Working Pressure: 175 PSI
  • Temperature Range: 32°F to 140°F
  • End Connections: NPT ANSI/ASME B1.20.1 union
  • Quarter turn ball valve shutoffs
  • Compact modular design for easy maintenance
  • Two independent positive seating check modules
  • ASSE 1015 Certified

Description

This 3/4 inch Lead Free Double Check Valve Backflow Preventer assembly protects potable water supplies from pollution caused by backsiphonage or backpressure. Constructed with a Lead Free* cast copper silicon alloy body, it features union end connections and quarter turn ball valve shutoffs for easy installation and control. The compact modular design with replaceable components allows for simple in-line maintenance. It is suitable for non-health hazard continuous pressure piping applications and certified to ASSE 1015, CSA B64.5, and NSF/ANSI 61-G standards, ensuring reliable performance up to 175 psi from 32°F to 140°F.

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Connections

This 3/4 inch Lead Free Double Check Valve Backflow Preventer assembly features NPT ANSI/ASME B1.20.1 union end connections. The union connections are designed to simplify installation and removal by allowing the valve to be disconnected from the piping without unthreading the entire assembly. These connections are typically made to corresponding 3/4 inch male NPT threaded pipes.

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Additional Details

This 3/4 inch Lead Free Double Check Valve Backflow Preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage or backpressure. It provides protection in continuous pressure piping applications and at cross-connections identified as non-health hazards.

Construction & Features

  • Features Lead Free body construction of cast copper silicon alloy, complying with reduced lead content requirements.
  • Equipped with two in-line independent positive seating check modules, captured springs, and replaceable check discs and seats.
  • Compact modular design facilitates easy maintenance with a single access cover for in-line repairs.

Connections & Operation

  • Features union end connections with quarter turn ball valve shutoffs for simplified installation and control.
  • Includes top-mounted test cocks for convenient testing procedures.

Specifications

  • Valve Body Material: Lead Free* cast copper silicon alloy
  • Elastomers: Silicone
  • Springs: Stainless steel
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Hydrostatic Test Pressure: 350 psi (24.1 bar)
  • Temperature Range: 32°F to 140°F (0°C to 60°C)
  • End Connections: NPT ANSI/ASME B1.20.1
  • Shutoff Valves: Quarter Turn Ball Valves
  • Check Valve Design: Two independent positive seating modules
  • Test Cocks: Four, Top-mounted

Certificates & Approvals

  • ASSE 1015
  • CSA B64.5
  • NSF/ANSI 61-G
  • UPC
  • USC-FCCCHR
  • ANSI/AWWA C510-92

FAQs

What is the primary function of this backflow preventer?

This backflow preventer is designed to protect the potable water supply by preventing polluted water from flowing back into it due to backsiphonage or backpressure.

What type of applications is this backflow preventer suitable for?

It is ideal for continuous pressure piping applications and cross-connections identified as non-health hazards, such as service line entrances for non-potable uses.

What material is the valve body made from?

The valve body is constructed from Lead Free* cast copper silicon alloy, designed to comply with Lead Free installation requirements.

What are the maximum operating pressure and temperature?

The assembly has a maximum working pressure of 175 psi (12.1 bar) and can operate within a temperature range of 32°F to 140°F (0°C to 60°C).

How does the design facilitate maintenance?

Its compact modular design features a single access cover for in-line repairs, and it includes replaceable seats and seat discs, making maintenance straightforward.