3 709DCDA-LF-GPM

Item Number: 0384740
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$8,440.50
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 3 Inch
  • Weight: 150.0 lb
  • Body Material: Cast Iron
  • Coating: ArmorTek® Powder Epoxy
  • Maximum Working Pressure: 175 PSI
  • Meter: 5/8" x 3/4" Bronze Gallons per Minute
  • Approvals: UL Listed, FM Approved, ASSE 1048, AWWA C510
  • Application: Fire protection systems
  • Modular check design for easy maintenance

Description

This 3 inch Cast Iron Double Check Detector Backflow Preventer, Series 709DCDA, is designed to protect potable water supplies from contamination by non-potable fire protection system substances. Its ArmorTek® advanced epoxy coating provides superior corrosion resistance for internal and external components. The assembly includes a 5/8" x 3/4" bronze gallons per minute meter to detect leaks and unauthorized water usage, reducing potential water waste. With a modular design for easy maintenance, this unit is UL Listed, FM Approved, and meets ASSE 1048 and AWWA C510 standards. Maximum working pressure is 175 PSI.

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Installation & Use

  • This double check detector assembly is designed for installation on fire protection systems where connected to a potable water supply.
  • The integral gallons per minute meter helps detect underground leaks and identify unauthorized water use.
  • The modular check assembly design facilitates straightforward maintenance and access.

Inquire with governing authorities for local installation requirements prior to installation.

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Additional Details

This 3 inch Double Check Detector Backflow Preventer assembly is designed for use in fire protection systems to prevent the reverse flow of non-potable substances into the potable water supply. It also incorporates a gallons per minute meter for detecting underground leaks and unauthorized water usage.

The assembly features a modular check design for easy maintenance and is coated with ArmorTek® advanced epoxy coating system to reduce microbial-induced corrosion (MIC) and protect exposed metal components.

Features

  • Body construction of fused epoxy coated cast iron
  • Replaceable bronze seats
  • Provides maximum flow at low pressure drop
  • Compact design for economy and performance
  • Design simplicity for easy maintenance
  • ArmorTek coating technology to resist corrosion of internals
  • Furnished with a 5/8" x 3/4" bronze meter
  • No special tools required for servicing

Specifications

  • Size: 3 Inch
  • Body Material: Cast Iron
  • Coating: ArmorTek® Powder Epoxy (applied to internal and external surfaces)
  • Seat Material: Bronze
  • Disc Holder Material: Bronze
  • Trim Material: Stainless Steel
  • Check Valve Disc Material: Rubber
  • Test Cock Material: Bronze
  • Meter: 5/8" x 3/4" Bronze Gallons per Minute
  • Maximum Working Pressure: 175 PSI
  • Temperature Range: 33°F - 140°F (0.5°C - 60°C) Continuous

Certificates & Approvals

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

FAQs

What is the primary function of this backflow preventer?

This 3 inch Double Check Detector Assembly prevents the reverse flow of non-potable substances from fire protection systems back into the potable water supply. It also detects leaks and unauthorized water usage.

What is ArmorTek® coating and why is it important?

ArmorTek® is a patented three-part advanced epoxy coating system applied to the cast iron body. It is engineered to reduce microbial-induced corrosion (MIC) and protect exposed metal substrates, enhancing the longevity of the unit.

Does this 3 inch model include shutoff valves?

Yes, this 3 inch 709DCDA model is standardly equipped with UL Classified and FM Approved resilient seated OSY (outside stem and yoke) shutoff valves.

How does the gallons per minute meter assist in water management?

The integral 5/8" x 3/4" bronze gallons per minute meter allows water utilities to detect underground leaks that cause water waste and identify points of unauthorized water use, helping to prevent illegal taps.

What certifications and approvals does this backflow preventer hold?

This assembly is UL Listed, FM Approved, and meets the basic requirements of ASSE 1048 and AWWA Standard C510. It is also approved by the Foundation for Cross-Connection Control and Hydraulic Research.

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