6 DERINGER 30 GPM

Item Number: D-6030-GPM
1 1
$4,992.00
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Deringer
  • Size: 6 inch
  • Weight: 134.0 lb
  • Housing Material: 100% 304 Stainless Steel
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 140°F
  • End Connections: IPS Grooved
  • Bypass Meter: GPM
  • Check Module: Dual-action for low and high flow
  • Approvals: AWWA C510-07, NSF/ANSI/CAN 61 & 372, FM Approved, ASSE 1048

Description

This 6 inch Ames Deringer 30 Double Check Detector Assembly (DCDA-II) is engineered to prevent non-health hazard pollutants from entering potable water supply systems due to backpressure or backsiphonage. Primarily used in fire sprinkler systems to monitor unauthorized water usage, it features a 100% stainless steel housing and integral shutoff valves for a short lay length. Dual-action checks ensure high performance at both low and high flow rates, while prewired supervisory switches and tamper-resistant test cocks enhance security. It includes a GPM bypass meter and is approved for horizontal and vertical installation, with a maximum working pressure of 175 psi. Item number D-6030-GPM.

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Connections

  • This assembly connects to piping systems using IPS Grooved Ends, which are suitable for steel pipe.
  • For alternative connection types, flange adapters are available, compliant with ANSI B16.1 Class 125 standards.
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Additional Details

This 6 inch Ames Deringer™ 30 Double Check Detector Assembly (DCDA-II) is designed to prevent non-health hazard pollutants from entering a potable water supply system due to backpressure and/or backsiphonage conditions. It is primarily used on fire sprinkler systems when monitoring of unauthorized water use is required.

Features

  • Integral shutoff valves for shorter lay length and lightweight construction, approved for indoor or outdoor application
  • 100% stainless steel housing for durability
  • Dual-action™ check modules operate as a poppet style at low flow and swing style at high flow
  • Prewired supervisory switches and tamper-resistant test cocks for enhanced security
  • Lead Free* Bronze bypass components with a GPM bypass meter
  • DCDA-II single check bypass and silicone elastomer check discs
  • Approved for both horizontal and vertical installation
  • IPS grooved ends for easy connection

Specifications

  • Size: 6 inch
  • Product Type: Double Check Detector Assembly (DCDA-II)
  • Application: Fire Protection, Waterworks, Plumbing, Irrigation
  • Working Pressure: 10 – 175 psi
  • Temperature Range: 33°F – 140°F
  • Bypass Meter: GPM (Gallons Per Minute)
  • Lead Free Compliance: Wetted surface contains less than 0.25% lead by weight

Materials

  • Valve Housing: 304 Stainless Steel
  • Valve Cover: 304 Stainless Steel
  • SOV Disks: EPDM/304SS
  • SOV Shafts: 304 Stainless Steel
  • Bypass Spring: 302 Stainless Steel
  • SOV Bearings: PTFE Fluoropolymer/Bronze
  • Non-wetted Bolts: Grade 8 Zinc Plated
  • Check Disks Material: Silicone (NSF)
  • Wetted Fasteners: 18-8 Stainless Steel
  • Bypass Components: Lead Free Bronze
  • Check Springs: 17-7 Stainless Steel
  • Check Pins: 17-7/18-8 Stainless Steel
  • Check Seats: Noryl® Polymer (NSF)
  • O-rings: Buna-N (NSF)
  • Bypass Internals: ABS Polymer (NSF)

Connections

  • End Connections: IPS Groove for Steel Pipe
  • Flange Adapters: Available (ANSI B16.1 Class 125)

Certificates & Approvals

  • AWWA: C510-07 Compliant, C606 (for IPS Groove)
  • NSF/ANSI/CAN: 61, 372 (UL Certified Health Effects, USC Approved)
  • UL Classified: Water Quality (MH64212)
  • FM Approved: Yes
  • ASSE: 1048 Approved
  • USC Approved: 5NS5

FAQs

What is the primary function of the Deringer 30 DCDA-II assembly?

The primary function is to prevent non-health hazard pollutants from entering potable water supply systems due to backpressure and/or backsiphonage conditions. It is commonly used in fire sprinkler systems for monitoring unauthorized water usage.

What is the maximum working pressure and temperature range for this 6-inch unit?

This 6-inch assembly has a maximum working pressure of 175 psi (12 bar) and an operating temperature range from 33°F to 140°F.

What materials are used for the main valve housing and cover?

The main valve housing and valve cover are constructed from 304 Stainless Steel, ensuring durability and corrosion resistance.

Does this backflow preventer include a bypass meter?

Yes, this DCDA-II assembly includes a bypass meter that registers in gallons per minute (GPM) to help monitor water usage through the bypass line.

What type of end connections are featured on this Deringer 30 assembly?

This assembly features IPS Grooved Ends designed for steel pipe connections. Flange adapters (ANSI B16.1 Class 125) are also available for different connection requirements.

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