Approvals: UL Classified, FM Approved, ASSE 1048, AWWA C510-97, CSA B64.5
Description
This 10 inch Colt C300 series double check detector backflow preventer assembly safeguards potable water supplies from dangerous cross-connections. Designed for non-health hazard applications such as fire sprinkler systems and industrial processing, it prevents reverse flow due to backsiphonage or backpressure. Its compact design features a durable 304 stainless steel housing, patented Tri-Link Checks for low pressure loss, and OS&Y gate valves with an integrated UL Certified tamper switch for monitoring. A bypass assembly with a gallon per minute meter detects leaks and unauthorized water usage. Approved for horizontal, vertical, or N pattern installations, this unit operates at up to 175 PSI. Item number 88003108.
Help Me Connect
Connections
This assembly features groove fittings that allow for integral pipeline adjustment, ensuring a secure and adaptable connection within your system.
The unit is designed for versatility and can be installed in horizontal, vertical, or N pattern orientations, accommodating various piping layouts.
This Colt™ 10 inch double check detector backflow preventer assembly is designed to protect drinking water supplies from dangerous cross-connections, preventing reverse flow of non-potable substances due to backsiphonage or backpressure. It is primarily used on fire line sprinkler systems and other non-health hazard applications to monitor for unauthorized water use.
Features
Extremely compact design, 70% lighter than traditional designs.
Constructed with a 304 (Schedule 40) Stainless steel housing and sleeve for long-term corrosion protection and maximum strength.
Groove fittings allow for integral pipeline adjustment.
Patented Tri-Link Check modules provide the lowest pressure loss and unmatched ease of serviceability.
Includes a UL Certified, Safety Signaling (Control No. 3L38) supervisory switch on each OS&Y gate valve, designed to send a tamper signal when the valve is closed or the switch is removed.
Furnished with a gallon per minute meter to detect underground leaks and unauthorized water use.
Replaceable check disc rubber.
Connections & Installation
Equipped with Outside Stem and Yoke (OS&Y) resilient seated gate valves and four test cocks.
Approved for horizontal, vertical, or N pattern installations.
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. Always consult your local water authority, building, and plumbing codes before installation.
Specifications
Assembly Size: 10 inch
Body Material: 304 (Schedule 40) Stainless Steel
Check Valve Type: Patented Tri-Link Check
Shutoff Valves: OS&Y Resilient Seated Gate Valves
Bypass Meter: Gallon per Minute Meter
Number of Test Cocks: Four
Check Disc Material: Reversible Elastomer
Elastomer Material: EPDM, Silicone, Buna 'N'
Tri-Link Check Material: Noryl®, Stainless Steel
Test Cock Body Material: Lead Free* Bronze
Pins & Fasteners Material: 300 Series Stainless Steel
Height to Top of OS&Y Handwheel (C): 45 3/4 inches (1162 mm)
Width (D): 8 3/16 inches (208 mm)
Weight: 800 lbs (363 kg)
Certificates & Approvals
ASSE 1048
AWWA C510-97
CSA B64.5
UL Classified
FM Approved
Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
FAQs
What is the primary use of the Colt C300 double check detector backflow preventer?
This backflow preventer is designed to protect drinking water supplies from non-potable cross-connections in non-health hazard applications, such as fire line sprinkler systems, irrigation, or industrial processing. It prevents the reverse flow of water due to backsiphonage or backpressure.
Can this backflow preventer be installed in any orientation?
Yes, the Colt C300 series is approved for installation in horizontal, vertical, or N pattern configurations, offering flexibility to fit various piping layouts.
What makes the Tri-Link Check modules a key feature of this assembly?
The patented Tri-Link Check modules are engineered to provide the lowest pressure loss in the system. They are also easily removable and serviceable without requiring special tools, simplifying maintenance.
What is the purpose of the integrated supervisory tamper switch on the OS&Y gate valves?
The UL Certified supervisory tamper switch provides enhanced security by sending a signal if a valve is closed or if the switch itself is removed. This feature is crucial for monitoring unauthorized use or system tampering in fire line applications.
What is the maximum operating pressure and temperature range for this backflow preventer?
This assembly is designed to operate with a maximum working pressure of 175 PSI (12.1 bar) and can function effectively within a temperature range of 33°F to 140°F (0.5°C to 60°C).
