10 LFC300-OSY-GPM
Item Number: 0124568Brand - Ames
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- Size: 10 inch
- Weight: 936.0 lb
- Lead Free: Yes
- Housing Material: 304 (Schedule 40) Stainless Steel
- Shutoff Valves: OSY Resilient Seated Gate Valves
- Check Type: Patented Tri-Link
- Meter Included: Gallon Per Minute (GPM)
- Installation Orientation: Horizontal, Vertical, or N Pattern
- Maximum Working Pressure: 175 PSI
Description
Description
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Connection and Use
This 10 inch double check detector backflow preventer is engineered to safeguard potable water systems from pollutants in non-health hazard cross-connections. It is commonly used for fire sprinkler systems to prevent the reverse flow of fire protection substances and to monitor for unauthorized water usage. The assembly connects using groove end connections. It can be installed in horizontal, vertical, or N pattern configurations, provided the installation aligns with the flow arrow on the assembly and local plumbing codes.

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Additional Details
This Colt™ 10 inch lead free double check detector backflow preventer assembly is designed to prevent the reverse flow of pollutants and non-potable water into the potable water supply. It is primarily used for fire line sprinkler systems and in non-health hazard cross-connections where unauthorized water use or backflow due to backsiphonage or backpressure must be prevented.
Features
- Extremely compact design and 70% lighter than traditional models, allowing for smaller vaults and enclosures.
- Housing and sleeve constructed from 304 (Schedule 40) stainless steel.
- Groove fittings facilitate integral pipeline adjustment.
- Features a patented Tri-Link check design for lowest pressure loss and unmatched ease of serviceability.
- Equipped with grooved butterfly valve shutoffs (OS&Y model) for reliable operation.
- Approved for horizontal, vertical, or N pattern installations.
- Includes a replaceable check disc rubber for easy maintenance.
- The OS&Y model offers an option for an integrated supervisory switch on each gate valve.
- Furnished with a gallon per minute meter to detect underground leaks and unauthorized water use.
- Compact modular design with a single access sleeve for easy maintenance.
The information contained herein is not intended to replace the full product installation and safety information available or the experience of a trained product installer. You are required to thoroughly read all installation instructions and product safety information before beginning the installation of this product. Inquire with governing authorities for local installation requirements.
Specifications
- Product Type: Double Check Detector Backflow Preventer Assembly
- Size: 10 inch
- Model Series: LFC300, LFC300N
- Lead Free: Yes (Wetted surface contains less than 0.25% lead)
- Shutoff Valves: OSY (Outside Stem and Yoke) Resilient Seated Gate Valves
- Check Modules: Two Independent Tri-Link Check Modules
- Test Cocks: Four
- Meter: Gallon Per Minute Meter Included
- Housing Access: Single Housing, Sleeve Access Port
- Installation Orientation: Horizontal, Vertical, or N Pattern
Materials
- Housing & Sleeve Material: 304 (Schedule 40) Stainless Steel
- Elastomer Material: EPDM, Silicone, Buna "N"
- Tri-Link Check Material: Noryl®, Stainless Steel
- Check Disc Material: Reversible Silicone or EPDM
- Test Cock Body Material: Lead Free* Bronze
- Pins & Fasteners Material: 300 Series Stainless Steel
- Spring Material: Stainless Steel
Performance
- Temperature Range: 33°F – 110°F (0.5°C – 43°C)
- Maximum Working Pressure: 175 PSI (12.06 bar)
Certificates & Approvals
- Approved By: Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
- Standard: AWWA C510-97
- Certification: UL Classified
- Certification: FM Approved
- Certification: NSF Certified to ANSI/NSF 61
- Certification: CSA B64.4
- Integrated Supervisory Switch: UL Certified, Safety Signaling, Control No. NL301 on Outside Stem and Yoke Resilient Gate Connection