4 C300-OSY-TS-GPM

Item Number: 88003114
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$9,202.91
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Assembly Type: Double Check Detector Backflow Preventer
  • Weight: 285.0 lb
  • Nominal Size: 4 inch
  • Housing Material: 304 Stainless Steel
  • Shutoff Valves: OSY Resilient Seated Gate Valves
  • Supervisory Switch: Integrated UL Certified Tamper Switch
  • Bypass Meter: Gallon per Minute
  • Maximum Working Pressure: 175 PSI
  • Installation: Horizontal, Vertical, or N-Pattern

Description

The Colt C300 Double Check Detector Backflow Preventer is a 4 inch stainless steel assembly designed to protect non-potable water supplies, such as fire sprinkler systems, from dangerous cross-connections. It features resilient seated OSY gate valves with integrated UL Certified tamper switches for secure isolation and monitoring. The compact design includes patented Tri-Link Checks for minimal pressure loss and a gallon per minute meter to detect leaks and unauthorized water use. Suitable for horizontal, vertical, or N-Pattern installations, this assembly offers a maximum working pressure of 175 PSI and is approved by AWWA, ASSE, CSA, UL, and FM.

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Connections & Installation

This 4 inch Double Check Detector Backflow Preventer Assembly is typically connected into main pipelines using its flanged end OSY shutoff valves. The assembly is designed to accommodate horizontal, vertical, or N-Pattern installations, providing flexibility for various piping layouts. The integrated test cocks are used by certified backflow testers to verify proper operation and compliance. The bypass assembly, which includes a gallon per minute meter, connects parallel to the main line to monitor low flows and detect unauthorized water use or leaks within the system.

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Additional Details

This Colt™ 4 inch Double Check Detector Backflow Preventer Assembly is engineered to safeguard drinking water supplies from dangerous cross-connections, primarily for non-health hazard applications such as fire sprinkler systems where monitoring unauthorized water use is necessary.

Equipped with OSY shutoffs and an integrated tamper switch, this assembly prevents reverse flow due to backsiphonage or backpressure while allowing for easy system monitoring.

Key Features

  • Compact design with a single access sleeve for unmatched ease of serviceability and maintenance.
  • Constructed with a 304 (Schedule 40) stainless steel housing and sleeve for long-term corrosion protection and maximum strength.
  • Features patented Tri-Link Checks with reversible elastomer discs for lowest pressure loss.
  • Includes outside stem and yoke (OSY) resilient seated gate valves.
  • Equipped with an integrated UL Certified, Safety Signaling (Control No. 3L38) supervisory switch on each gate valve to signal tampering or closure.
  • Furnished with a gallon per minute meter to detect underground leaks and unauthorized water use.
  • Supports horizontal, vertical, or N pattern installations.

A WARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Before installing, consult your local water authority, building, and plumbing codes.

Specifications

  • Assembly Type: Double Check Detector Backflow Preventer
  • Product Series: C300, C300N
  • Nominal Size: 4 inch
  • Housing & Sleeve Material: 304 (Schedule 40) Stainless Steel
  • Tri-Link Check Material: Noryl®, Stainless Steel
  • Elastomers: EPDM, Silicone, Buna 'N'
  • Check Discs: Reversible Elastomer
  • Test Cocks: Lead Free* Bronze Body
  • Pins & Fasteners: 300 Series Stainless Steel
  • Springs: Stainless Steel
  • Shutoff Valves: Outside Stem and Yoke (OSY) Resilient Seated Gate Valves
  • Supervisory Switch: Integrated UL Certified, Safety Signaling (Control No. 3L38) Tamper Switch
  • Bypass Meter: Gallon per Minute (GPM)
  • Maximum Working Pressure: 175 PSI (12.1 bar)
  • Temperature Range: 33°F to 140°F (0.5°C to 60°C)
  • Installation Orientation: Horizontal, Vertical, N-Pattern

Certificates & Approvals

  • Approved by Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • AWWA C510-97
  • ASSE 1048
  • CSA B64.5
  • UL Classified
  • FM Approved

FAQs

What is the primary purpose of this backflow preventer?

This Colt C300 Double Check Detector Backflow Preventer is designed to protect drinking water supplies from contamination by preventing the reverse flow of non-potable water, commonly used in fire sprinkler systems and industrial processing, back into the potable supply.

What type of shutoff valves does this assembly feature?

This assembly features Outside Stem and Yoke (OSY) resilient seated gate valves. These valves are equipped with integrated UL Certified tamper switches for enhanced security and monitoring.

Can this backflow preventer be installed in different orientations?

Yes, the Colt C300 Double Check Detector Backflow Preventer is designed for versatile installation and can be configured for horizontal, vertical, or N-Pattern orientations.

What is the function of the gallon per minute meter?

The integrated gallon per minute (GPM) meter in the bypass assembly is used to monitor low flows of water, helping to detect underground leaks or unauthorized water usage within the system.

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 can operate within a temperature range of 33°F to 140°F (0.5°C to 60°C).

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