2.5 C400-DNRS-FS

Item Number: F0425199
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Regular price $11,832.06
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Brand - Ames

  • Size: 2 1/2 inch
  • Weight: 168.0 lb
  • Housing Material: Type 304 Stainless Steel
  • Valve Type: Non-Rising Stem (NRS) Gate
  • Maximum Working Pressure: 175 PSI
  • Temperature Range: 33°F - 140°F
  • Lead Free* Construction
  • Flood Sensor with SentryPlus Alert® Technology
  • Installation: Horizontal, N-Pattern, Z-Pattern

Description

The Colt 2 1/2 inch C400 Series reduced pressure zone backflow preventer prevents contaminated water from entering the potable supply due to backsiphonage or backpressure. Featuring Lead Free* Type 304 stainless steel construction and non-rising stem gate valves, this compact and lightweight assembly is suitable for health hazard applications. It includes a flood sensor with SentryPlus Alert® technology to detect relief valve discharge, requiring an add-on connection kit for active alerting. Approved for horizontal, N-pattern, or Z-pattern installation, it operates up to 175 PSI. Item number F0425199.

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Connections

  • This backflow preventer features groove couplings for straightforward installation and integral pipeline adjustment into your system.
  • The integral flood sensor detects excessive relief valve discharge. An add-on sensor connection kit is required to activate the sensor's alert capabilities and relay notifications.
  • Available connection kit options support BMS, cellular communication, and the Sensor Control Monitor, allowing integration with BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi.
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Additional Details

This Colt 2 1/2 inch stainless steel reduced pressure zone backflow preventer assembly protects potable water systems from contamination due to backsiphonage and backpressure. Designed for health hazard applications, this compact assembly features Lead Free* construction and is approved for horizontal installation.

Features

  • Extremely compact design, up to 70% lighter than traditional models
  • Type 304 (Schedule 40) stainless steel housing and sleeve for durability
  • Domestic non-rising stem gate valves for reliable shutoff
  • Ball valve type test cocks for easy testing
  • Torsion spring check modules for unmatched ease of serviceability
  • Groove couplings for easy installation and integral pipeline adjustment
  • Drip tight shutoff valves and reversible silicone or EPDM check discs
  • Configurable for horizontal, N-pattern, or Z-pattern installation

Flood Detection & Alerting

  • Includes a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve.
  • Requires an add-on sensor connection kit to activate the flood sensor and relay alerts for potential flooding events.
  • Connection kit options include BMS, cellular communication, and the Sensor Control Monitor for integration with BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi.

Specifications

  • Product Type: Reduced Pressure Zone Backflow Preventer
  • Nominal Pipe Size: 2 1/2 inch
  • Housing & Sleeve Material: Type 304 (Schedule 40) Stainless Steel
  • Valve Type: Non-Rising Stem (NRS) Gate Valves
  • Check Valve Type: Torsion Spring Link Check
  • Elastomers: EPDM, Silicone, Buna 'N'
  • Check Disc Material: Reversible Silicone or EPDM
  • Link Check Body Material: Noryl®, Stainless Steel
  • Test Cocks Material: Lead Free* Bronze Body
  • Pins & Fasteners Material: 300 Series Stainless Steel
  • Springs Material: Stainless Steel
  • Configuration: Horizontal, N-Pattern, Z-Pattern
  • Lead Content: Wetted surface contains less than 0.25% lead by weight

Performance

  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Temperature Range: 33°F - 140°F (0.5°C - 60°C)

Certificates & Approvals

  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • AWWA C511-97
  • ASSE 1013
  • CSA B64.4
  • NSF Certified to NSF/ANSI 61-G

Dimensions & Weight (2 1/2 inch NRS)

  • Length (A): 30 3/4 inch (781 mm)
  • Face-to-Face (C): 16 3/8 inch (416 mm)
  • Depth (D): 9 3/8 inch (238 mm)
  • Height (H): 21 1/2 inch (546 mm)
  • Weight: 126 lb (57 kg)

FAQs

What is the primary function of this backflow preventer?

Its primary function is to protect potable water systems from contamination by preventing the reverse flow of water caused by backsiphonage or backpressure from entering the clean water supply.

Is this product suitable for all installation orientations?

This assembly is approved for horizontal, N-pattern, and Z-pattern installations. Always consult local codes and governing authorities for specific installation requirements.

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

The housing and sleeve are made from Type 304 (Schedule 40) stainless steel. Elastomers include EPDM, silicone, and Buna 'N', with Lead Free* bronze body test cocks.

How does the flood sensor function, and what is required to activate its alert features?

The integral flood sensor with SentryPlus Alert® technology detects excessive water discharges from the relief valve. To activate its alert capabilities and relay notifications, an add-on sensor connection kit is required.

What are the key features for maintenance and serviceability?

This backflow preventer features an extremely compact design that is lighter than traditional models, along with torsion spring check modules, reversible check discs, and groove couplings, all contributing to unmatched ease of serviceability and installation.