6 957N-BFG-FS

Item Number: F111783
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$23,668.04
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • 6 inch Reduced Pressure Zone Backflow Preventer
  • Weight: 271.0 lb
  • Flood Sensor with SentryPlus Alert Technology
  • UL/FM Approved Grooved Butterfly Valve Shutoffs
  • Housing & Sleeve: 304 Stainless Steel
  • Maximum Working Pressure: 175 PSI
  • Temperature Range: 33°F - 140°F
  • Check Discs: Reversible Silicone or EPDM
  • Lead Free* Bronze Test Cocks

Description

The Watts Series 957 6 inch Reduced Pressure Zone assembly backflow preventer protects potable water systems from contamination due to backpressure or backsiphonage. This compact unit features a 304 stainless steel housing and UL/FM approved grooved gear operated butterfly valve shutoffs. It includes a flood sensor with SentryPlus Alert technology to detect continuous discharge from the relief valve, enhancing system monitoring. Designed for horizontal N pattern installation, it operates within a 33°F to 140°F temperature range and up to 175 PSI maximum working pressure.

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Installation & Connections

  • This assembly is designed for horizontal N pattern installation.
  • The groove couplings facilitate ease of installation and proper pipe alignment.
  • For drain line installation, utilize 957AG air gaps and attach brackets directly onto the flood sensor.
  • The integrated flood sensor can be activated with an add-on sensor connection kit, which allows integration with Building Management Systems (BMS), cellular communication, or the Nexa platform via Wi-Fi.
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Additional Details

The Watts Series 957 6 inch Reduced Pressure Zone assembly backflow preventer provides protection to potable water systems from contamination due to backpressure or backsiphonage, typically used in health hazard applications.

This extremely compact assembly is designed for horizontal N pattern installation and includes a flood sensor with SentryPlus Alert technology to detect continuous discharge from the relief valve.

Features

  • Features a flood sensor with SentryPlus Alert technology to detect continuous discharge from the relief valve
  • Add-on sensor connection kit allows for extended flood monitoring and integration with Building Management Systems (BMS), cellular communication, or Nexa platform via Wi-Fi
  • Constructed with a 304 (Schedule 40) stainless steel housing and sleeve for durability
  • Includes UL Classified and FM Approved grooved gear operated butterfly valve shutoffs with tamper switch
  • Equipped with replaceable check disc rubber and a bottom mounted cast stainless steel relief valve
  • Extremely compact design allows for use in smaller enclosures and is 70% lighter than traditional designs
  • Groove couplings facilitate ease of installation and pipe alignment
  • Patented torsion spring checks provide lowest pressure loss and unmatched ease of serviceability
  • Equipped with test cocks

Specifications

  • Product Type: Reduced Pressure Zone Assembly
  • Nominal Pipe Size: 6 inch
  • Configuration: N-pattern horizontal installation
  • Housing & Sleeve Material: 304 (Schedule 40) Stainless Steel
  • Elastomers: EPDM, Silicone, Buna-N
  • Torsion Spring Checks Material: Noryl®, Stainless Steel
  • Check Discs Material: Reversible Silicone or EPDM
  • Test Cocks Body Material: Lead Free* Bronze
  • Pins & Fasteners Material: 300 Series Stainless Steel
  • Springs Material: Stainless Steel
  • Shutoff Valves: UL Classified and FM Approved Grooved Gear Operated Butterfly Valves with Tamper Switch
  • Flood Detection: Flood sensor with SentryPlus Alert technology
  • Temperature Range: 33°F - 140°F (0.5°C - 60°C)
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Lead Content: Wetted surface contains less than 0.25% lead by weight

Certificates & Approvals

  • ASSE 1013
  • CSA B64.4
  • UL Classified (**BFG & OSY Only)
  • FM Approved (**BFG & OSY Only)
  • NSF Certified to NSF/ANSI 61-G
  • AWWA C511-97
  • Approved by FCCCHR-USC

FAQs

What is the primary function of this Watts Series 957 assembly?

The primary function of this 6 inch Reduced Pressure Zone assembly is to protect potable water systems from contamination caused by backpressure or backsiphonage, especially in health hazard applications.

Does this backflow preventer include a flood sensor?

Yes, it includes a flood sensor with SentryPlus Alert technology, designed to detect excessive water discharges from the relief valve and can relay signals for notification when activated with an add-on connection kit.

What type of shutoff valves are used on this assembly?

This assembly features UL Classified and FM Approved grooved gear operated butterfly valve shutoffs with tamper switches for reliable operation and security.

What are the key materials used in the construction of this backflow preventer?

The housing and sleeve are made from 304 (Schedule 40) stainless steel, while the elastomers are EPDM, silicone, and Buna-N. Test cocks feature a Lead Free* bronze body.

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

This Reduced Pressure Zone assembly has a maximum working pressure of 175 psi (12.1 bar) and operates within a temperature range of 33°F to 140°F (0.5°C to 60°C).

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