4 C200-DOSY

Item Number: 0206302
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$6,436.02
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 4 inch
  • Housing & Sleeve Material: 304 Stainless Steel
  • Valve Type: Double Check Valve Assembly
  • Shutoff Valves: Domestic OSY Resilient Seated Gate Valves
  • Maximum Operating Pressure: 175 psi
  • Temperature Range: 33°F - 140°F
  • Lead Content: Less than 0.25% lead by weight
  • Installation: Horizontal or Vertical

Description

The Colt™ 4 inch lead-free double check valve backflow preventer assembly prevents non-potable water from entering the potable water supply. Designed for continuous pressure service and non-health hazard cross-connections, it features a durable 304 stainless steel housing, Tri-Link check valves, and domestic OSY gate valves. It supports both horizontal and vertical installation with groove fittings for easy pipeline adjustment. With a maximum working pressure of 175 psi and wetted surfaces containing less than 0.25% lead, it ensures reliable and compliant operation. Item number 0206302.

Help Me Connect

This Colt™ 4 inch double check valve backflow preventer is designed for flexible integration into your pipeline system. It features groove fittings that allow for integral pipeline adjustment, simplifying installation.

Installation is approved for both horizontal and vertical orientations. Always ensure the assembly is installed in accordance with the direction of the flow arrow for proper function and compliance.

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Additional Details

This Colt™ 4 inch lead-free double check valve backflow preventer assembly is designed to prevent the reverse flow of non-potable water into the potable water supply. It protects against backsiphonage and backpressure in accordance with national plumbing codes and water authority requirements, making it ideal for continuous pressure service at cross-connections identified as non-health hazards.

Design and Construction

  • Features a compact modular design with a single access sleeve for simplified maintenance.
  • Constructed with a stainless steel housing and sleeve for durability.
  • Includes Tri-Link check valves and domestic outside stem and yoke (OSY) resilient seated gate valves.
  • Equipped with test cocks for verification.
  • The wetted surface of this product, contacted by consumable water, contains less than 0.25% of lead by weight.

Installation and Maintenance

  • Approved for horizontal or vertical installation, guided by the direction of the flow arrow on the assembly.
  • Groove fittings allow for integral pipeline adjustment during installation.
  • Designed for easy servicing without requiring special tools.
  • Tri-Link check modules contribute to the lowest pressure loss for efficient operation.

Specifications

  • Size: 4 inch
  • Valve Type: Double Check Valve Assembly
  • Housing & Sleeve Material: 304 Stainless Steel (Schedule 40)
  • Check Valve Type: Tri-Link Checks
  • Check Material: Noryl®, Stainless Steel
  • Shutoff Valves: Domestic Outside Stem and Yoke (OSY) Resilient Seated Gate Valves
  • Elastomers: EPDM, Silicone, Buna 'N'
  • Check Discs: Reversible Silicone or EPDM
  • Test Cocks Material: Lead Free* Bronze Body
  • Pins & Fasteners Material: 300 Series Stainless Steel
  • Springs Material: Stainless Steel
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Temperature Range: 33°F - 140°F (0.5°C - 60°C)
  • Lead Content: Wetted surface contains less than 0.25% lead by weight

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
  • UL Classified
  • FM Approved
  • NSF Certified to NSF/ANSI 61-G

FAQs

What is the primary purpose of this 4 inch double check valve backflow preventer?

This backflow preventer is designed to prevent the reverse flow of non-potable water into the potable water supply, protecting against contamination due to backsiphonage and backpressure in continuous pressure service applications.

What type of contaminants is this backflow preventer designed to protect against?

It is intended for protection at cross-connections identified as non-health hazards and against other non-toxic contaminants, in accordance with national plumbing codes.

Can this backflow preventer be installed in any orientation?

Yes, this assembly is approved for both horizontal and vertical installation. It is important to follow the direction of the flow arrow on the assembly during installation for correct operation.

What materials are used in the main construction of the Colt™ 4 inch backflow preventer?

The primary components include a 304 stainless steel housing and sleeve, with Tri-Link checks made of Noryl® and stainless steel, and lead-free* bronze body test cocks.

What is the maximum operating pressure and temperature for this device?

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).

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