C300
Stainless Steel Double Check Detector Assembly Backflow Preventers with Tri-Link Check Valves
Series C300, C300N Double Check Valve Assemblies prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check valves, two shutoff valves, and four test cocks. This assembly features a stainless steel housing and sleeve and is 70% lighter than traditional designs.
This series is designed for non-health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. This Series is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water. Maximum working pressure is 175 psi (12.06 bar).
The TS-OSY model is equipped with a factory installed, durable, and robust supervisory switch (UL Certified, Safety Signaling, Control No. 3L38) for tamper detection. The alert sounds when attempts are made to remove the switch from the gate valve or to close the valve. Wiring of the supervisory switch to a fire alarm control panel is required.
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Features
- Can be installed under continuous pressure service and may be subjected to backpressure for nontoxic applications
- Extremely compact design is significantly lighter than traditional designs
- Patented tri-link check provides low pressure loss
- Entire valve body and closure sleeve manufactured from 304 stainless steel
- Integrated supervisory switch (UL Certified, Safety Signaling, Control No. 3L38) on outside stem and yoke resilient seated gate valve
Literature
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.