2 1/2 C400N-NRS

Item Number: 0191294
1 1
$6,250.65
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Nominal Size: 2 1/2 inch
  • Weight: 176.0 lb
  • Housing & Sleeve: Type 304 (Schedule 40) Stainless Steel
  • Shutoff Type: Non-Rising Stem (NRS) Gate Valves
  • Installation Pattern: N-Pattern Horizontal
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 140°F
  • Lead Free* construction (less than 0.25% lead content)
  • 70% lighter than traditional designs

Description

The Colt C400N-NRS 2 1/2 inch lead free reduced pressure zone backflow preventer assembly provides essential protection for potable water systems. Designed to prevent contamination from backsiphonage and backpressure, it meets national plumbing codes and water authority requirements. This assembly features a durable Type 304 stainless steel housing, non-rising stem gate valves, and link check modules for low pressure loss. Its compact and lightweight design allows for easier installation in horizontal N patterns, making it ideal for health hazard applications and continuous pressure piping. All wetted surfaces contain less than 0.25% lead.

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Installation Guidance

  • This 2 1/2 inch backflow preventer assembly is designed for horizontal N pattern installation. Ensure installation adheres to the direction of the flow arrow for proper operation.
  • It utilizes groove fittings for connecting into the pipeline, allowing for integral pipeline adjustment.
  • Designed for continuous pressure piping applications and cross-connections identified as health hazards.
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Additional Details

This Colt 2 1/2 inch lead free reduced pressure zone backflow preventer assembly is engineered to protect potable water systems from contamination due to backsiphonage and backpressure, adhering to national plumbing codes and water authority requirements. It is suitable for health hazard applications and continuous pressure piping.

Construction & Design

  • Features an extremely compact design, making it 70% lighter than traditional backflow preventers.
  • Constructed with a Type 304 (Schedule 40) stainless steel housing and sleeve for durability.
  • Utilizes groove fittings for easy installation and integral pipeline adjustment.
  • Includes torsion spring link check modules for lowest pressure loss and unmatched ease of serviceability.
  • Equipped with non-rising stem (NRS) resilient seated gate valves and required test cocks.
  • Approved for horizontal N pattern installation.
  • The wetted surface of this product contains less than 0.25% of lead by weight, meeting Lead Free* requirements.

Specifications

  • Product Type: Reduced Pressure Zone Backflow Preventer
  • Nominal Size: 2 1/2 inch
  • Brand: Colt (Ames Fire & Waterworks)
  • Model Series: C400N
  • Shutoff Type: Non-Rising Stem (NRS) Gate Valves
  • Installation Pattern: N-Pattern Horizontal
  • Housing & Sleeve Material: Type 304 (Schedule 40) Stainless Steel
  • Elastomer Materials: EPDM, Silicone, Buna 'N'
  • Link Check Material: Noryl®, Stainless Steel
  • Check Disc Material: Reversible Silicone or EPDM
  • Test Cock Material: Lead Free* Bronze
  • Pins & Fasteners Material: 300 Series Stainless Steel
  • Spring Material: Stainless Steel
  • Temperature Range: 33°F - 140°F (0.5°C ~ 60°C)
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Approximate Weight (NRS): 126 lb (57 kg)

Certificates & Approvals

  • 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

FAQs

What is the primary purpose of the Colt C400N-NRS backflow preventer?

The primary purpose is to protect potable water systems from contamination by preventing the reverse flow of non-potable substances due to backsiphonage or backpressure, in accordance with national plumbing codes.

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

The housing and sleeve are made from Type 304 (Schedule 40) stainless steel. It features EPDM, silicone, and Buna 'N' elastomers, Noryl® link checks, and lead free* bronze body test cocks.

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

This backflow preventer 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).

Is this backflow preventer suitable for all installation orientations?

This specific C400N-NRS assembly is approved for horizontal N pattern installation. Ensure it is installed in accordance with the direction of the flow arrow.

Does this product comply with lead-free requirements?

Yes, the wetted surface of this product that contacts consumable water contains less than 0.25% of lead by weight, meeting Lead Free* installation requirements.