This 8 inch Lead Free Double Check Valve Backflow Preventer Assembly prevents the reverse flow of non-potable water and fire protection substances into the potable water supply. Ideal for non-health hazard cross-connections like fire sprinkler systems, it features a 304 stainless steel housing, two OS&Y shutoff valves, and four ball valve test cocks. An integrated UL Certified tamper switch enhances monitoring. Patented Tri-Link Checks ensure lowest pressure loss and ease of serviceability. This compact and lightweight assembly operates up to 175 psi and is approved by ASSE, CSA, UL, FM, AWWA, and NSF. Item number 88003106.
Help Me Connect
The Colt C200 Series Double Check Valve Backflow Preventer housing is designed with groove end connections, allowing for integral pipeline adjustment.
This Colt™ 8 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 entering the potable water supply system.
It is ideal for protection at cross-connections identified as non-health hazards, such as on fire sprinkler systems, and from other contaminants found at the service line entrance. This compact modular design is approved for both horizontal or vertical installation.
Key Features
Features two independently operating check valves, two OS&Y (Outside Stem and Yoke) shutoff valves, and four ball valve type test cocks.
Includes an 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 when the switch is removed from the valve.
Constructed with a 304 (Schedule 40) stainless steel housing and sleeve.
Extremely compact design, approximately 70% lighter than traditional designs.
Patented Tri-Link check modules provide the lowest pressure loss and allow for unmatched ease of serviceability without special tools.
Groove fittings allow for integral pipeline adjustment.
What is this backflow preventer primarily used for?
This 8 inch Lead Free Double Check Valve Backflow Preventer is used to prevent backflow of pollutants, specifically non-potable water and fire protection substances, into a potable water supply system in non-health hazard applications, such as fire sprinkler systems.
What does "Lead Free" mean for this backflow preventer?
The "Lead Free" construction means that the wetted surface of this product, when contacted by consumable water, contains less than 0.25% of lead by weight, complying with Lead Free installation requirements and state codes.
What is the function of the integrated supervisory tamper switch?
The integrated supervisory tamper switch, an option on the OS&Y model, is UL Certified and designed to send a tamper signal when a gate valve is closed or when the switch itself is removed from the valve. This provides an important safety signaling feature.
What types of installations are supported for this assembly?
This backflow preventer assembly is approved for horizontal, vertical up, or N pattern horizontal installations. This flexibility allows for adaptation to various plumbing configurations.
What materials are used for the main components of this assembly?
The housing and sleeve are constructed from 304 (Schedule 40) stainless steel. Key components like the Tri-Link Checks use Noryl® and stainless steel, while elastomers include EPDM, silicone, and Buna 'N'. Test cocks have a Lead Free* bronze body.
