6 DERINGER 40GX (RP)

Item Number: D-6040GX
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$6,554.86
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Deringer
  • Size: 6 inch
  • Body Material: 304 Stainless Steel
  • Maximum Working Pressure: 175 PSI
  • Lead Free: Less than 0.25% lead by weight
  • End Connections: ANSI B16.1 Class 125 Flanged
  • Flood Sensor: SentryPlus Alert technology included
  • Dual-Action Check Modules: High and low flow performance
  • Approved for Fire Protection, Waterworks, Plumbing, and Irrigation

Description

The 6-inch Ames Deringer 40GX Reduced Pressure Zone (RP) backflow preventer is designed to protect potable water supplies from hazardous contaminants and pollutants caused by backpressure or backsiphonage. Featuring a low head loss stainless steel body and patented Dual-Action check modules, it ensures optimal performance across varying flow rates. This lead-free assembly includes inline serviceable OS&Y gate valves and an integrated SentryPlus Alert flood sensor for enhanced safety. Approved for fire protection, waterworks, plumbing, and irrigation applications, it offers reliable protection with a maximum working pressure of 175 psi.

Help Me Connect

The 6 inch Deringer 40GX backflow preventer features ANSI B16.1 Class 125 flanged ends for direct connection to compatible flanged piping systems. It incorporates flexible groove couplings UL/FM between the body and gate valves. The assembly includes resiliently seated OS&Y gate valves which are inline serviceable.

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Additional Details

The 6 inch Ames Deringer™ 40GX Low Head Loss reduced pressure zone backflow preventer assembly is engineered to prevent non-health hazard pollutants and hazardous contaminants from entering potable water supply systems. This robust assembly protects against both backpressure and backsiphonage conditions, making it suitable for continuous pressure service.

The Deringer 40GX features an extra large body and checks for lower head loss, ensuring efficient water flow. It includes inline serviceable OS&Y gate valves and a durable stainless steel body, combined with True-Seal™ and Dual-Action™ checks for high performance across various flow rates.

Features

  • Oversized checks for extreme performance
  • Stem includes tamper switch groove for supervisory switches
  • Inline serviceable gate valves
  • Stainless steel housing
  • Tamper-resistant test cocks
  • Patented Dual-action™ second check module for optimized low and high flow performance (poppet action at low flow, swing action at high flow)
  • Balanced chamber Relief Valve with no sliding seals
  • Poppet action first check for more reliable Relief Valve closure
  • Silicone elastomer check discs and seals
  • AWWA C509/UL/FM resilient seated gate valves (OS&Y)
  • Flanged ends ANSI B16.1 Class 125
  • Flexible groove coupling UL/FM (between body and gate valves)
  • Flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve

Materials

  • Valve Housing: 304 Stainless Steel
  • Valve Cover: 304 Stainless Steel
  • SOV Disks: EPDM/304SS
  • SOV Shafts: 304 Stainless Steel
  • RV Spring: 302 Stainless Steel
  • SOV Bearings: Teflon® fluoropolymer/Bronze
  • Non-wetted Bolts: Grade 8 Zinc Plated
  • Check Disks: Silicone (NSF)
  • Wetted Fasteners: 18-8 Stainless Steel
  • RV Housing: 304 Stainless Steel
  • Check Springs: 17-7 Stainless Steel
  • Check Pins: 17-7/18-8 Stainless Steel
  • Check Seats: Noryl® Polymer (NSF)
  • O-rings: Buna-N (NSF)
  • RV Hoses: Braided Stainless Steel Wire

Applications

  • Approved for Fire Protection, Waterworks, Plumbing, and Irrigation applications.

NOTICE: The information provided is not a substitute for product installation and safety instructions. Always read all instructions before installation.

Specifications

General

  • Size: 6 inch
  • Body Material: 304 Stainless Steel
  • Valve Housing Material: 304 Stainless Steel
  • Valve Cover Material: 304 Stainless Steel
  • RV Housing Material: 304 Stainless Steel
  • SOV Disks Material: EPDM/304SS
  • SOV Shafts Material: 304 Stainless Steel
  • RV Spring Material: 302 Stainless Steel
  • SOV Bearings Material: Teflon® fluoropolymer/Bronze
  • Non-wetted Bolts Material: Grade 8 Zinc Plated
  • Check Disks Material: Silicone (NSF)
  • Wetted Fasteners Material: 18-8 Stainless Steel
  • Check Springs Material: 17-7 Stainless Steel
  • Check Pins Material: 17-7/18-8 Stainless Steel
  • Check Seats Material: Noryl® Polymer (NSF)
  • O-rings Material: Buna-N (NSF)
  • RV Hoses Material: Braided Stainless Steel Wire

Performance

  • Maximum Working Pressure: 175 PSI
  • Temperature Range: 33°F - 140°F
  • Operating Pressure: 10-175 PSI
  • Lead Content: Less than 0.25% by weight (wetted surface)

Connections

  • End Connections: Flanged
  • Flange Standard: ANSI B16.1 Class 125

Dimensions & Weight (6 inch Model 40GX)

  • Overall Height (Ht): 30.9 inch (784 mm)
  • Bottom to Center (Hb): 10.5 inch (266 mm)
  • Height from Bottom to Top (Ht+Hb): 41.3 inch (923 mm)
  • Length (L): 39.9 inch (1014 mm)
  • Width (W): 13.8 inch (351 mm)
  • Weight: 332 lbs (151 kg)

Certificates & Approvals

  • AWWA C511-07 Compliant
  • NSF/ANSI 372 Certified
  • UL Certified
  • FM Approved
  • LEAD FREE
  • ASSE 1013 Approved
  • USC Approved
  • AWWA C509/UL/FM (resilient seated gate valves)

FAQs

What is the primary function of the Deringer 40GX Reduced Pressure Zone Assembly?

Its primary function is to prevent non-health hazard pollutants and hazardous contaminants from entering a potable water supply system due to backpressure or backsiphonage conditions.

What type of material is the Deringer 40GX backflow preventer constructed from?

The valve housing, valve cover, and RV housing are constructed from 304 Stainless Steel, ensuring durability and corrosion resistance. Other components feature EPDM, Teflon, Silicone, and Noryl Polymer.

What are the connection types for the 6-inch Deringer 40GX?

The assembly features flanged ends that conform to the ANSI B16.1 Class 125 standard, allowing for robust and secure connections to piping systems.

What is the maximum operating pressure for this backflow preventer?

The Deringer 40GX is designed to operate within a working pressure range of 10-175 psi, with a maximum working pressure of 175 psi.

Does this backflow preventer include a flood detection feature?

Yes, it includes a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve, with optional kits for remote notification.

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