The Colt 4 inch Lead Free Double Check Detector Backflow Preventer Assembly, Series LFC300N, safeguards potable water systems by preventing the reverse flow of non-potable water from fire protection systems and other non-health hazard cross-connections. It features a durable 304 stainless steel housing, patented Tri-Link check valves for low pressure loss, and OSY gate valves. A gallon per minute meter is integrated to detect leaks. Its compact and lightweight design facilitates installation in various orientations, making it ideal for fire sprinkler systems where reliable backflow prevention is critical.
Help Me Connect
Connections
The main housing of this backflow preventer assembly features groove end connections, allowing for straightforward installation into your pipeline system.
The OSY gate valves also utilize groove end connections for integral pipeline adjustment.
The bypass assembly, which includes a meter and double check valve, may be configured with ASME/ANSI flanged end connections.
Installation
This assembly is approved for horizontal, vertical, or N pattern installations, providing flexibility for various plumbing configurations. Ensure installation is performed in accordance with the direction of the flow arrow on the assembly.
The Colt 4 inch lead free double check detector backflow preventer assembly, Series LFC300N, is designed to prevent the reverse flow of fire protection substances and non-potable water from entering the potable water supply system due to backsiphonage or backpressure.
It is primarily used for protection at non-health hazard cross-connections, such as on fire sprinkler systems and at service line entrances.
Key Features
Lead Free construction, with wetted surfaces containing less than 0.25% lead by weight.
Extremely compact design and 70% lighter than traditional designs, allowing for smaller vaults and enclosures.
Constructed with 304 (Schedule 40) stainless steel housing and sleeve for durability.
Features patented Tri-Link check valves that provide the lowest pressure loss and are easily serviceable without special tools.
Groove fittings enable integral pipeline adjustment and ease of maintenance.
Includes outside stem and yoke (OSY) resilient seated gate valves for reliable shutoff.
Equipped with a gallon per minute meter to detect underground leaks and monitor unauthorized water use.
Approved for horizontal, vertical, or N pattern installations.
Features replaceable check disc rubber.
The OS&Y model includes an option for an integrated supervisory switch on each gate valve.
Approved by the Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
AWWA C510-97
ASSE 1048
CSA B64.5
UL Listed
FM Approved
NSF Certified to ANSI/NSF 61
FAQs
What is the primary use of the Colt LFC300N backflow preventer?
The Colt LFC300N is designed to prevent the backflow of non-potable water and fire protection substances into the potable water supply system. It is primarily used for non-health hazard applications, such as on fire sprinkler systems and at service line entrances.
What materials are used in the construction of this backflow preventer?
The housing and sleeve are made of 304 (Schedule 40) stainless steel. The Tri-Link checks are Noryl® and stainless steel, with reversible silicone or EPDM check discs. Test cocks are made of Lead Free bronze.
Can the LFC300N assembly be installed in any orientation?
Yes, this assembly is approved for horizontal, vertical, or N pattern installations. Always follow the flow arrow direction on the assembly during installation.
Does this backflow preventer include a meter for water usage?
Yes, the LFC300N assembly comes furnished with a gallon per minute meter. This meter is used to detect underground leaks and monitor unauthorized water use in the system.
Is the Colt LFC300N backflow preventer lead-free?
Yes, the Colt LFC300N is designated as "Lead Free." The wetted surface of this product that contacts consumable water contains less than 0.25% of lead by weight.
