6 C300-OSY-GPM
Item Number: 0191239Brand - Ames
Couldn't load pickup availability
- Size: 6 inch
- Weight: 445.0 lb
- Housing Material: 304 Stainless Steel
- Maximum Working Pressure: 175 PSI
- Valve Type: OSY Gate Shutoffs
- Check Valve Type: Patented Tri-Link
- Bypass Meter: Gallons per minute
- Installation: Horizontal, Vertical, or N-Pattern
- Design: Compact and Serviceable
Description
Description
Help Me Connect
Help Me Connect
Primary Use
This Colt C300-OSY Double Check Detector Backflow Preventer Assembly is designed for non-health hazard applications. It is commonly used on fire line sprinkler systems where monitoring unauthorized water use is necessary. It also suits other non-potable service applications such as irrigation and industrial processing.
Installation
- Approved for horizontal or vertical installation, following the direction of the flow arrow on the assembly.
- Grooved fittings allow for integral pipeline adjustment during installation.

Collapsible content
Additional Details
The Colt 6 inch double check detector backflow preventer assembly with OSY shutoffs and Tri-Link Checks is designed to protect drinking water supplies from dangerous cross-connections in non-health hazard applications such as fire sprinkler systems and industrial processing.
This assembly prevents the reverse flow of non-potable substances into potable water due to backsiphonage and backpressure.
Features
- Extremely compact design, up to 70% lighter than traditional designs
- Housing and sleeve constructed from 304 (Schedule 40) Stainless steel for corrosion protection and strength
- Patented Tri-Link Check modules provide the lowest pressure loss and unmatched ease of serviceability
- Equipped with Outside Stem and Yoke (OSY) resilient seated gate valves and four test cocks
- Includes a gallons per minute meter in the bypass assembly for detecting underground leaks and unauthorized water use
- Groove fittings allow for integral pipeline adjustment
- Replaceable check disc rubber
- May be used for horizontal, vertical, or N pattern installations
- Optional integrated supervisory switch available on each gate valve of the OS&Y model
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
- Size: 6 inch
- Housing & Sleeve Material: 304 (Schedule 40) Stainless steel
- Tri-Link Checks Material: Noryl®, Stainless steel
- Elastomers: EPDM, silicone, and Buna 'N'
- Check Discs: Reversible silicone or EPDM
- Test Cocks: Lead Free* bronze body
- Pins & Fasteners: 300 Series stainless steel
- Springs: Stainless steel
- Valve Type: Outside Stem and Yoke (OSY) resilient seated gate valves
- Check Valve Type: Two independent Tri-Link Check modules
- Bypass Assembly: Meter registers in gallon or cubic measurement, double check valve assembly, and test cocks
- Maximum Working Pressure: 175 PSI (12.1 bar)
- Temperature Range: 33°F - 140°F (0.5°C - 60°C)
- Installation Configurations: Horizontal, Vertical up, N-Pattern horizontal
Certificates & Approvals
- UL Classified
- FM Approved
- ASSE 1047
- AWWA C510-97
- CSA B64.4