6 LFC300-DOSY-GPM

Item Number: 0124613
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$13,882.70
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • 6 inch Lead Free Double Check Detector Backflow Preventer
  • Weight: 445.0 lb
  • Prevents backflow of non-toxic pollutants in potable water systems
  • 304 (Schedule 40) Stainless Steel housing and sleeve
  • Domestic OS&Y Resilient Seated Gate Valves
  • Gallons-per-minute metered bypass for leak detection
  • Maximum Working Pressure: 175 PSI
  • Temperature Range: 33°F - 110°F
  • Approved for horizontal, vertical up, or N pattern installations

Description

The Colt 6 inch LFC300 Lead Free Double Check Detector Backflow Preventer Assembly prevents the reverse flow of non-toxic pollutants into potable water systems. Ideal for fire line sprinkler systems and non-health hazard cross-connections, it features a durable 304 stainless steel housing, domestic OS&Y resilient seated gate valves, and a gallons-per-minute metered bypass to detect leaks or unauthorized water use. This compact unit offers easy serviceability with Tri-Link checks, operates up to 175 PSI, and can be installed horizontally, vertically up, or in an N-pattern.

Help Me Connect

This Colt LFC300-DOSY-GPM Double Check Detector Assembly features grooved end connections for its main valve housing, allowing for integral pipeline adjustment and flexible installation. The bypass assembly, which includes the meter, utilizes flanged end connections. This assembly is designed for installation in horizontal, vertical up, or "N" pattern horizontal orientations. Ensure proper sizing and pipe compatibility for optimal performance.

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Additional Details

The Colt LFC300 Lead Free Double Check Detector Backflow Preventer Assembly is designed to prevent the reverse flow of non-toxic pollutants into potable water supply systems.

This 6 inch assembly is ideal for fire line sprinkler systems and other non-health hazard cross-connections, incorporating a metered bypass to monitor unauthorized water use or leaks.

Features

  • Compact Design: Extremely compact, 70% lighter than traditional designs.
  • Housing: Constructed from 304 (Schedule 40) stainless steel housing and sleeve for durability.
  • Checks: Patented Tri-Link check provides lowest pressure loss and unmatched ease of serviceability; checks are removable without special tools.
  • Check Discs: Reversible silicone or EPDM check disc rubber.
  • Shutoffs: Features domestic OS&Y (Outside Stem and Yoke) resilient seated gate valves.
  • Installation: May be installed in horizontal, vertical up, or N pattern configurations.
  • Bypass Assembly: Includes a gallons-per-minute meter, a double check valve assembly, and four test cocks to detect underground leaks and unauthorized water use.
  • Supervisory Switch: Integrated supervisory switch on each gate valve offers continuity when fully open and activates within two turns from open, sending a tamper signal when the valve is closed or the switch is removed.

NOTICE: This product's wetted surface contacted by consumable water contains less than 0.25% of lead by weight, meeting "Lead Free" requirements.

Specifications

General

  • Product Type: Double Check Detector Backflow Preventer Assembly
  • Brand: Colt
  • Model: LFC300-DOSY-GPM
  • Size: 6 inch
  • Lead Free: Yes (wetted surface <0.25% lead by weight)
  • Shutoff Type: Domestic OS&Y Resilient Seated Gate Valves
  • Bypass Meter: Gallons-per-minute Metered Bypass
  • Configurations: Horizontal, Vertical up, N pattern horizontal

Materials

  • Housing & Sleeve: 304 (Schedule 40) Stainless Steel
  • Elastomers: EPDM, Silicone, Buna 'N'
  • Tri-Link Checks: Noryl®, Stainless Steel
  • Check Discs: Reversible Silicone or EPDM
  • Test Cocks: Lead Free Bronze Body
  • Pins & Fasteners: 300 Series Stainless Steel
  • Springs: Stainless Steel

Performance

  • Maximum Working Pressure: 175 PSI (12.06 bar)
  • Temperature Range: 33°F - 110°F (5°C - 43°C)

Connections

  • Main Valve Connection: Grooved End
  • Bypass Assembly Connections: Flanged End

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: ASSE 1048
  • Certification: CSA B64.4
  • Certification: UL Classified
  • Certification: FM Approved
  • Certification: NSF Certified to NSF/ANSI 372

FAQs

What type of backflow prevention does this assembly provide?

This Colt LFC300-DOSY-GPM assembly is a Double Check Detector Backflow Preventer. It is designed to prevent the backflow of pollutants that are objectionable but not toxic, making it suitable for non-health hazard applications.

What are the primary applications for this 6 inch backflow preventer?

This assembly is primarily used on fire line sprinkler systems to monitor unauthorized water use and is suitable for other cross-connections identified as non-health hazards, protecting the potable water supply.

What materials are used in the construction of the main housing?

The housing and sleeve of this assembly are constructed from durable 304 (Schedule 40) stainless steel. The check discs are reversible silicone or EPDM, and test cocks are made from lead-free bronze.

Does this backflow preventer come with a supervisory switch?

Yes, this OS&Y model includes an integrated supervisory switch on each gate valve. It provides continuity when the valve is fully open and activates within two turns from open, signaling any tampering.

What is the maximum operating pressure and temperature range for this unit?

The Colt LFC300-DOSY-GPM backflow preventer has a maximum working pressure of 175 PSI (12.06 bar) and operates within a temperature range of 33°F to 110°F (5°C to 43°C).

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