4 C200-NRS

Item Number: 0191212
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$5,982.27
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 4 inch
  • Weight: 268.0 lb
  • Housing Material: 304 Stainless Steel
  • Valve Type: Non-Rising Stem (NRS) Gate Valves
  • Maximum Operating Pressure: 175 psi
  • Lead Content: Less than 0.25% by weight
  • Installation: Horizontal, Vertical, or N-Pattern
  • Check Module: Patented Tri-Link design for low pressure loss
  • Connection Type: Groove fittings

Description

This 4 inch Colt Series C200N double check valve backflow preventer assembly is engineered to safeguard potable water systems from backflow of objectionable, non-toxic pollutants. Featuring a compact, lightweight 304 stainless steel housing and non-rising stem (NRS) gate valves, it provides reliable protection against backsiphonage and backpressure for non-health hazard applications. The unit includes patented Tri-Link check modules for low pressure loss and groove fittings for flexible installation. With a maximum working pressure of 175 psi and Lead Free* construction, it supports both horizontal and vertical installations, ensuring easy maintenance and compliance with plumbing codes.

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Installation & Connections

  • The assembly utilizes groove fittings for connections, allowing for integral pipeline adjustment during installation.
  • It is approved for installation in horizontal, vertical, or N-pattern horizontal orientations. Ensure installation is in accordance with the direction of the flow arrow on the assembly.
  • The unit includes two independently operating check valves, two non-rising stem shutoff valves, and four test cocks for system integration and maintenance.
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Additional Details

This Colt 4 inch stainless steel double check valve backflow preventer assembly prevents the reverse flow of objectionable, non-toxic water from entering the potable water supply system.

It is designed to protect against backsiphonage and backpressure at cross-connections identified as non-health hazards, complying with national plumbing codes and water authority requirements.

Features

  • Extremely compact design, approximately 70% lighter than traditional models
  • 304 (Schedule 40) stainless steel housing and sleeve construction
  • Groove fittings allow integral pipeline adjustment
  • Patented Tri-Link check modules provide lowest pressure loss
  • Unmatched ease of serviceability with a single access sleeve for maintenance
  • Approved for horizontal or vertical installation, including N-pattern
  • Equipped with non-rising stem resilient seated gate valves and test cocks
  • Replaceable check disc rubber
  • Wetted surface contacted by consumable water contains less than 0.25% of lead by weight

Specifications

  • Size: 4 inch
  • Housing & Sleeve Material: 304 (Schedule 40) Stainless steel
  • Body Material (Test Cocks): Lead Free* bronze
  • Check Module Material: Noryl®, stainless steel
  • Check Disc Material: Reversible silicone or EPDM
  • Elastomer Material: EPDM, silicone, Buna 'N'
  • Pins & Fasteners Material: 300 series stainless steel
  • Spring Material: Stainless steel
  • Valve Type: Non-rising stem resilient seated gate valves (NRS)
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Temperature Range: 33°F - 140°F (0.5°C - 60°C)
  • Lead Content: Less than 0.25% by weight
  • Installation Orientation: Horizontal, Vertical, N-pattern horizontal

Certificates & Approvals

  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • AWWA C510-97
  • ASSE 1015
  • CSA B64.5
  • NSF Certified to NSF/ANSI 61-G

FAQs

What type of backflow does this assembly prevent?

This 4 inch double check valve assembly is designed to prevent the reverse flow of objectionable, non-toxic water, protecting against both backsiphonage and backpressure in potable water supply systems. It is suitable for non-health hazard applications.

What are the key materials used in this backflow preventer?

The housing and sleeve are constructed from 304 (Schedule 40) stainless steel. It features Noryl® and stainless steel Tri-Link check modules, with reversible silicone or EPDM check discs, and Lead Free* bronze test cocks.

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

The maximum working pressure for this assembly is 175 psi (12.1 bar). It can operate within a temperature range of 33°F to 140°F (0.5°C to 60°C).

Can this backflow preventer be installed in any orientation?

Yes, this assembly is approved for installation in horizontal, vertical up, or N-pattern horizontal configurations. Always follow the direction of the flow arrow on the assembly for proper installation.

What kind of shutoff valves does the C200N model feature?

The Colt C200N model is equipped with non-rising stem (NRS) resilient seated gate valves. These valves are designed for reliable shutoff and are part of the compact design.

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