6 LF957RPDA-DOSY-GPM

Item Number: 0792376
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$16,531.57
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 6 inch
  • Weight: 423.0 lb
  • Construction: Lead Free*
  • Housing & Sleeve: 304 (Schedule 40) stainless steel
  • Shutoff Valves: Domestic OSY resilient seated gate valves
  • Integrated GPM Meter: Detects leaks and unauthorized use
  • Flood Sensor: Detects excessive relief valve discharges
  • Maximum Operating Pressure: 175 psi
  • Compact Design: Lighter than traditional assemblies

Description

This 6 inch Lead Free* Reduced Pressure Detector Backflow Preventer Assembly safeguards potable water systems from contamination caused by backsiphonage or backpressure, meeting national plumbing codes. It features a durable 304 stainless steel housing, domestic OSY resilient seated gate valves, and an integrated gallons per minute meter to detect leaks and unauthorized water use. The assembly also includes a relief valve flood sensor. Its compact, lightweight design and 175 psi maximum working pressure make it ideal for health hazard cross-connections like fire sprinkler systems. Item number 0792376.

Help Me Connect

Connections

  • The assembly features groove end connections for easy and integral pipeline adjustment.
  • The domestic OSY shutoff valves typically connect to the main assembly via grooved or flanged connections, providing installation flexibility. The visible image indicates flanged OSY shutoff valves connecting to the grooved main body.
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Additional Details

The 6 inch Lead Free* Reduced Pressure Detector Backflow Preventer Assembly is designed to protect potable water systems from contamination due to backsiphonage and backpressure, in accordance with national plumbing codes.

This assembly monitors unauthorized water use and is ideal for health hazard applications on fire sprinkler systems and at service line entrances.

Construction & Design

  • Features Lead Free* construction to comply with installation requirements.
  • An extremely compact design that is up to 70% lighter than traditional models.
  • The assembly is built with a 304 (Schedule 40) stainless steel housing and sleeve.
  • Includes torsion spring check valves with reversible elastomer discs and a corrosive resistant bottom mounted pressure relief valve.
  • Groove fittings allow for integral pipeline adjustment and unmatched ease of serviceability.
  • Equipped with domestic outside stem and yoke (OSY) resilient seated gate valves.

Monitoring Features

  • A gallons per minute meter (GPM) is integrated to detect underground leaks and unauthorized water usage.
  • Includes a flood sensor on the relief valve to detect excessive water discharges, providing an alert feature when activated with an add-on connection kit.
Watts is not responsible for the failure of flood alerts due to connectivity issues, power outages, or improper installation.

Specifications

  • Size: 6 inch
  • Construction: Lead Free*
  • Housing & Sleeve Material: 304 (Schedule 40) stainless steel
  • Elastomers: EPDM, silicone, and Buna 'N'
  • Torsion Spring Checks: Noryl®, stainless steel
  • Check Discs: Reversible silicone or EPDM
  • Test Cocks: Lead Free* bronze body
  • Pins & Fasteners: 300 Series stainless steel
  • Springs: Stainless steel
  • Shutoff Valves: Domestic OSY, resilient seated gate valves
  • Meter: Gallons per minute
  • Flood Sensor: On relief valve

Performance

  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Temperature Range: 33°F - 110°F (0.5°C - 43°C)
  • Installation Pattern: Horizontal

Certificates & Approvals

  • Approved by Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • AWWA C511-97
  • ASSE 1047
  • CSA B64.4
  • UL Classified
  • FM Approved
  • NSF Certified to NSF/ANSI 372

FAQs

What does a Reduced Pressure Detector Backflow Preventer Assembly do?

This assembly protects potable water systems from contamination caused by backsiphonage and backpressure. It prevents non-potable water, such as fire protection substances, from entering the clean water supply.

What is the purpose of the gallons per minute (GPM) meter?

The integrated GPM meter is designed to detect underground leaks and unauthorized usage of water, helping to conserve water and identify potential issues.

What is the maximum operating pressure and temperature range for this assembly?

This assembly has a maximum working pressure of 175 psi (12.1 bar) and operates within a temperature range of 33°F - 110°F (0.5°C - 43°C).

Is this product compliant with lead-free standards?

Yes, this assembly features Lead Free* construction, ensuring compliance with lead-free installation requirements for potable water systems.

What type of shutoff valves does this assembly use?

This assembly is equipped with domestic Outside Stem and Yoke (OSY) resilient seated gate valves, which are UL Classified and FM Approved for reliable operation.

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