6 709DCDA-LF-GPM

Item Number: 0384666
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$14,778.75
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • 6 inch Cast Iron Double Check Detector Assembly
  • Weight: 450.0 lb
  • ArmorTek® epoxy coating resists corrosion internally and externally
  • Modular check design for easy maintenance and assembly
  • Includes a gallons per minute meter for leak detection
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 110°F continuous
  • UL Classified and FM Approved
  • Supplied without shutoff valves

Description

The 6 inch Double Check Detector Backflow Preventer is engineered to prevent the reverse flow of non-health hazard fire protection system substances into potable water lines. Its cast iron body features ArmorTek® advanced epoxy coating for superior corrosion resistance. This assembly includes a gallons per minute meter to detect underground leaks and unauthorized water usage, helping to minimize water waste. Designed with modular checks for easy maintenance, it operates at a maximum working pressure of 175 psi. This model is UL Classified and FM Approved, ensuring reliability.

Help Me Connect

This 6 inch Double Check Detector Assembly Backflow Preventer is designed for crucial installation within fire protection systems, specifically where connected to a potable water supply. Its primary role is to prevent the reverse flow of non-health hazard substances into the drinking water line.

This model is supplied without shutoff valves, integrating directly into your existing pipe network via its flanged connections. It features a bypass line that includes a gallons per minute (GPM) meter, which serves to detect both underground leaks and unauthorized water usage.

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Additional Details

This 6 inch Double Check Detector Backflow Preventer assembly is designed to prevent the reverse flow of non-health hazard fire protection system substances, such as glycerin wetting agents or stagnant water, from being pumped or siphoned into the potable water supply. It incorporates a gallons per minute meter to detect ground leaks and unauthorized illegal taps, helping to reduce annual water expenses. The unit features a robust fused epoxy coated cast iron body construction.

Features

  • Utilizes advanced ArmorTek® coating technology to resist microbial-induced corrosion (MIC) and protect exposed metal substrate internally and externally
  • Cast iron body construction with patented 3-part advanced epoxy coating system
  • Modular check design concept facilitates complete maintenance and assembly access
  • Includes a gallons per minute meter (5/8 inch x 3/4 inch bronze) for leak detection and unauthorized use monitoring
  • Features replaceable bronze seats and rubber check valve discs
  • Designed for maximum flow at low pressure drop
  • Compact for economy combined with performance
  • No special tools required for servicing
  • This model is supplied without shutoff valves

Specifications

  • Body Material: Cast Iron
  • Coating: ArmorTek powder coating, applied to internal and external surfaces
  • Seat: Bronze
  • Disc Holder: Bronze
  • Trim: Stainless Steel
  • Check Valve Discs: Rubber
  • Test Cocks: Bronze
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Temperature Range (Continuous): 33°F - 110°F (0.5°C – 43°C)
  • Temperature Range (Intermittent): 140°F (60°C)

Certificates & Approvals

  • UL Classified
  • FM Approved
  • AWWA Standard C510
  • ASSE 1048
  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California

FAQs

What is the primary function of the 6 inch 709DCDA-LF-GPM backflow preventer?

Its primary function is to prevent the backflow of non-health hazard substances from fire protection systems, such as stagnant water, into the potable drinking water supply.

Does this specific model include shutoff valves?

No, this 6 inch 709DCDA-LF-GPM model is supplied without shutoff valves, as indicated by the 'LF' designation in its name.

What is ArmorTek® coating technology?

ArmorTek® is a patented three-part advanced epoxy system applied to the cast iron body's internal and external surfaces. It's engineered to reduce microbial-induced corrosion (MIC) and protect exposed metal substrates.

What type of meter is integrated into this backflow preventer?

This assembly includes a gallons per minute (GPM) meter (5/8 inch x 3/4 inch bronze meter) in its bypass line, designed to detect system leaks and unauthorized water usage.

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

The maximum operating pressure for this backflow preventer is 175 psi. It can operate continuously in temperatures ranging from 33°F to 110°F, with intermittent operation up to 140°F.

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