The Colt™ 4 inch Lead Free Stainless Steel Double Check Valve Backflow Preventer Assembly (C200-OSY-TS) is designed to prevent the reverse flow of non-potable water into the potable supply. Ideal for non-health hazard cross-connections like fire sprinkler systems, it features a durable stainless steel body, patented Tri-Link checks for low pressure loss, and OSY shutoff valves with an integrated UL Certified supervisory tamper switch. This compact, easy-to-service assembly supports horizontal or vertical installation and offers a maximum working pressure of 175 psi. It holds approvals from ASSE, AWWA, UL, FM, and NSF.
Help Me Connect
Installation Orientation
This assembly is approved for installation in horizontal, vertical up, or N pattern horizontal orientations. Always ensure installation aligns with the flow arrow on the assembly.
Connections
The assembly features groove end connections, allowing for integral pipeline adjustment and compatibility with grooved piping systems. Consult the product installation and safety information for detailed requirements.
The Colt™ 4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and/or backpressure. It is ideal for protection at cross-connections identified as non-health hazards, such as on fire sprinkler systems and from other contaminants at the service line entrance.
This compact modular design features a single access sleeve for easy maintenance and is approved for horizontal or vertical installation.
Key Features
Extremely compact design, up to 70% lighter than traditional designs
Housing and sleeve constructed from 304 (Schedule 40) stainless steel
Patented Tri-Link check modules provide the lowest pressure loss
Integrated supervisory tamper switch (UL Certified, Safety Signaling Control No. 3L38) on each gate valve, designed to send a tamper signal when the valve is closed or removed
Groove fittings allow integral pipeline adjustment
Unmatched ease of serviceability and replaceable check disc rubber
Four ball valve type test cocks for easy testing
Lead Free* construction to comply with reduced lead content requirements. The wetted surfaces contain less than 0.25% lead by weight.
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 Free Compliance: Wetted surfaces contain less than 0.25% lead by weight
Configurations: Horizontal, Vertical up, N pattern horizontal
Certificates & Approvals
Approved by Foundation for Cross-Connection Control and Hydraulic Research at USC (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 function of this backflow preventer?
This assembly is designed to prevent the reverse flow of non-potable water or fire protection substances into the potable water supply, protecting against backsiphonage and backpressure in non-health hazard applications.
What is the maximum operating pressure and temperature?
The maximum working pressure for this assembly is 175 PSI (12.1 bar), and it operates within a temperature range of 33°F to 140°F (0.5°C to 60°C).
Is this backflow preventer assembly lead free?
Yes, the Colt™ C200-OSY-TS assembly is constructed with Lead Free* materials, meaning the wetted surfaces contain less than 0.25% lead by weight, complying with reduced lead content requirements.
What type of shutoff valves and check valves does it use?
It features OSY (Outside Stem & Yoke) resilient seated gate shutoff valves and patented Tri-Link check modules designed for lowest pressure loss and easy serviceability.
Can this assembly be installed in any orientation?
This backflow preventer assembly is approved for installation in horizontal, vertical up, or N pattern horizontal configurations, allowing flexibility based on site requirements.
