8 C300-OSY-TS-GPM

Item Number: 88003118
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$19,475.89
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 8 inch
  • Weight: 485.0 lb
  • Assembly Type: Double Check Detector Backflow Preventer
  • Shutoff Valves: OS&Y Gate Valves with Supervisory Switches
  • Housing Material: 304 Stainless Steel
  • Maximum Working Pressure: 175 psi
  • Tri-Link Checks: Lowest Pressure Loss
  • Integrated GPM Meter for Leak Detection
  • Installation: Horizontal or Vertical

Description

The Colt 8 inch C300-OSY-TS Double Check Detector Backflow Preventer Assembly safeguards drinking water from non-potable cross-connections in non-health hazard applications like fire sprinkler systems. It features a compact 304 stainless steel housing, patented Tri-Link Checks for low pressure loss, and OS&Y gate valves with UL Certified supervisory switches to monitor tampering or closure. An integrated gallon per minute meter helps detect leaks or unauthorized water use. Approved for horizontal or vertical installation, this assembly offers robust protection and ease of maintenance with a maximum working pressure of 175 psi.

Help Me Connect

This 8 inch Colt C300-OSY-TS backflow preventer assembly features flanged inlet and outlet connections via its Outside Stem and Yoke (OS&Y) gate valves. The internal stainless steel housing connects to these gate valves using grooved fittings, allowing for integral pipeline adjustment. Ensure your piping system has matching 8 inch flanged connections for installation.

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Additional Details

This Colt 8 inch double check detector backflow preventer assembly is designed to protect drinking water supplies from dangerous cross-connections, preventing the reverse flow of non-potable water due to backsiphonage and backpressure.

It is suitable for non-health hazard applications such as fire sprinkler systems, irrigation, and industrial processing, providing protection at the service line entrance.

Features

  • Compact modular design with single access sleeve for easy maintenance.
  • Equipped with UL Certified, Safety Signaling (Control No. 3L38) supervisory switches on both OS&Y gate valves to detect tampering or valve closure.
  • 304 (Schedule 40) Stainless steel housing and sleeve provide long-term corrosion protection and maximum strength.
  • Features patented Tri-Link Check modules for lowest pressure loss and unmatched ease of serviceability.
  • Includes a gallon per minute meter (GPM) in the bypass assembly to monitor unauthorized water use or detect underground leaks.
  • Grooved fittings allow integral pipeline adjustment for simplified installation.
  • Designed for horizontal or vertical installation based on flow arrow direction.
  • Replaceable check disc rubber.

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 standard material product, consult your local water authority, building and plumbing codes.

Specifications

  • Assembly Type: Double Check Detector Backflow Preventer
  • Nominal Size: 8 inch
  • Model: C300-OSY-TS
  • Shutoff Valves: Outside Stem and Yoke (OS&Y) Resilient Seated Gate Valves
  • Housing & Sleeve Material: 304 (Schedule 40) Stainless Steel
  • Check Valves: Patented Tri-Link Check Modules
  • Check Valve Material: Noryl®, Stainless Steel
  • Check Disc Material: Reversible Silicone or EPDM
  • Elastomers: EPDM, Silicone, Buna 'N'
  • Test Cocks Material: Lead Free* Bronze Body
  • Pins & Fasteners Material: 300 Series Stainless Steel
  • Spring Material: Stainless Steel
  • 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 C510-97
  • ASSE 1048
  • CSA B64.5
  • UL Classified
  • FM Approved

FAQs

What is the primary purpose of this 8 inch Colt C300-OSY-TS backflow preventer?

Its primary purpose is to protect drinking water supplies by preventing the reverse flow of non-potable water into the potable system due to backsiphonage or backpressure, particularly in non-health hazard cross-connections like fire sprinkler systems.

Can this backflow preventer be installed in any orientation?

Yes, this assembly is approved for both horizontal and vertical installations. Always ensure the direction of flow arrow on the assembly matches your system's flow.

What type of shutoff valves are included with this model?

This model comes with Outside Stem and Yoke (OS&Y) resilient seated gate valves. These valves also include UL Certified, Safety Signaling supervisory switches.

What is the function of the integrated gallon per minute (GPM) meter?

The integrated GPM meter in the bypass assembly registers water usage, allowing for the detection of unauthorized water use or underground leaks within the system.

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

The housing and sleeve are constructed from 304 (Schedule 40) stainless steel for corrosion resistance. The Tri-Link Checks feature Noryl® and stainless steel components, while check discs are made of reversible silicone or EPDM.

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