10 709DCDA-DOSY-GPM

Item Number: 0389320
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$55,620.74
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 10 inch
  • Weight: 2353.0 lb
  • Body Material: Cast iron with ArmorTek® coating
  • Corrosion Protection: ArmorTek® advanced epoxy system (MIC resistance)
  • Shutoff Valves: Domestic OSY resilient seated gate valves
  • Leak Detection: Gallons per minute metered bypass
  • Maximum Operating Pressure: 175 psi
  • Approvals: UL Classified, FM Approved, ASSE 1048
  • Application: Non-health hazard fire protection systems

Description

This 10 inch Watts 709DCDA Double Check Detector Assembly prevents backflow in fire protection systems and other non-health hazard cross-connections. Its cast iron body features ArmorTek® advanced epoxy coating to resist microbial-induced corrosion (MIC) and protect exposed metal. Equipped with domestic OSY shutoff valves and a gallons per minute metered bypass for leak detection, it ensures potable water supply protection. This assembly is UL Classified, FM Approved, and ASSE 1048 compliant, providing reliable performance for preventing reverse flow of non-potable water.

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Installation Guidance

This 10 inch Series 709DCDA Double Check Detector Assembly is designed for installation on fire protection systems when connected to a potable water supply. It is suitable for protecting against non-health hazards due to backflow. The unit, including its UL Classified and FM Approved OSY shutoff valves, is approved for both horizontal and vertical "flow up" installations. The auxiliary line includes an approved backflow preventer and water meter.

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Additional Details

This 10 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection system substances and non-potable water into the potable water supply. It is ideal for protection at cross-connections identified as non-health hazards, such as on fire protection systems and from other contaminants found at the service line entrance.

Features

  • Body construction features fused epoxy coated cast iron with ArmorTek® advanced coating technology.
  • ArmorTek® is a patented three-part advanced epoxy system engineered to reduce microbial-induced corrosion (MIC) and protect exposed metal substrates.
  • Equipped with domestic outside stem and yoke (OSY) resilient seated gate valves.
  • Includes a gallons per minute (GPM) metered bypass to detect underground leaks and unauthorized water use.
  • Features four test cocks for easy testing and maintenance.
  • Modular check design concept facilitates complete maintenance and assembly access.
  • Replaceable bronze seats and rubber check valve discs.
  • Designed for maximum flow at low pressure drop and compact installation.
  • No special tools required for servicing.

Specifications

  • Product Series: 709DCDA
  • Nominal Pipe Size: 10 inch
  • Body Material: Cast iron
  • Coating: ArmorTek® powder coating (internal and external)
  • Seat Material: Bronze
  • Disc Holder Material: Bronze
  • Trim Material: Stainless steel
  • Check Valve Disc Material: Rubber
  • Test Cock Material: Bronze
  • Shutoff Valves: Domestic OSY resilient seated gate valves
  • Bypass Meter: Gallons per minute meter
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Continuous Temperature Range: 33°F - 110°F (0.5°C – 43°C)
  • Intermittent Temperature Range: Up to 140°F (60°C)

Certificates & Approvals

  • Standards: AWWA Standard C510
  • UL Listed: Resilient seated OSY shutoff valves
  • UL Classified: Resilient seated OSY shutoff valves
  • FM Approved: Resilient seated OSY shutoff valves
  • ASSE: 1048
  • Approved by: Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California
  • Installation Orientation: Sizes 4" - 10" approved for horizontal and vertical "flow up"

FAQs

What is the primary purpose of the Watts 709DCDA Double Check Detector Assembly?

This assembly is designed to prevent the reverse flow of non-potable water and fire protection system substances into a potable water supply, particularly for non-health hazard cross-connections.

What is ArmorTek® coating and what are its benefits?

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

What kind of shutoff valves are included with this assembly?

The assembly comes standard with domestic outside stem and yoke (OSY) resilient seated gate valves, which are UL Classified and FM Approved.

How does this backflow preventer help detect leaks?

It includes a gallons per minute (GPM) metered bypass, which allows for the detection of underground leaks or unauthorized water usage.

What are the primary certifications and approvals for this unit?

This 10 inch unit is UL Classified, FM Approved, ASSE 1048 compliant, and approved by the Foundation for Cross-Connection Control and Hydraulic Research.

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