4 LFM300-BFG-GPM

Item Number: 0124368
1 1
$14,030.26
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 4 Inch
  • Weight: 252.0 lb
  • Lead Free Construction: Wetted surface < 0.25% lead
  • Housing Material: 304 (Schedule 40) Stainless Steel
  • Valve Type: Grooved Gear Operated Butterfly with Tamper Switch
  • Check System: Patented Tri-Link Checks
  • Includes: Gallon per Minute bypass meter
  • Installation: Horizontal, Vertical, or N Pattern
  • Maximum Working Pressure: 175 psi

Description

The Maxim LFM300BFG is a 4 inch lead-free double check detector backflow preventer assembly designed to protect potable water systems from non-health hazard pollutants via backpressure or backsiphonage. Ideal for fire sprinkler systems, it features a compact 304 stainless steel housing, patented Tri-Link checks for low pressure loss, and grooved gear-operated butterfly valves. A built-in gallon-per-minute meter monitors for unauthorized water use or leaks. Approved for horizontal, vertical, or N pattern installations, this unit ensures compliance and easy serviceability. Item number 0124368.

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Connections

  • This assembly features groove end connections for integral pipeline adjustment.
  • It is designed for installation in horizontal, vertical, or N pattern orientations.
  • The main line shutoff valves are grooved gear operated butterfly valves.
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Additional Details

This Maxim™ 4 inch lead free double check detector backflow preventer assembly is designed to prevent the reverse flow of non-potable water and pollutants from entering the potable water supply system due to backpressure or backsiphonage.

It is specifically engineered for non-health hazard applications, such as on fire line sprinkler systems, and features a gallon per minute meter for detecting unauthorized water use or underground leaks.

Features

  • Extremely Compact Design, approximately 70% lighter than traditional models
  • Constructed with a 304 (Schedule 40) Stainless Steel Housing & Sleeve
  • Groove Fittings allow for integral pipeline adjustment and ease of installation
  • Patented Tri-Link Check system provides lowest pressure loss and unmatched ease of serviceability
  • Equipped with Grooved Butterfly Valve Shutoffs, which include a tamper switch
  • Approved for Horizontal, Vertical, or N Pattern Installations
  • Includes replaceable check disc rubber for extended lifespan
  • Lead Free* construction ensures the wetted surface contains less than 0.25% lead by weight

Specifications

  • Product Type: Double Check Detector Backflow Preventer Assembly
  • Series: Maxim™ LFM300BFG
  • Nominal Pipe Size: 4 inch
  • Housing & Sleeve Material: 304 (Schedule 40) Stainless Steel
  • Elastomers: EPDM, Silicone, Buna 'N'
  • Check System: Patented Tri-Link Checks
  • Check Disc Material: Reversible Silicone or EPDM
  • Tri-Link Check Material: Noryl®, Stainless Steel
  • Test Cocks: Lead Free* Bronze Body
  • Pins & Fasteners: 300 Series Stainless Steel
  • Springs: Stainless Steel
  • Shutoff Valves: Grooved Gear Operated Butterfly Valves with Tamper Switch
  • Bypass Assembly: Includes Gallon per Minute meter, double check valve assembly, and test cocks
  • Installation Orientation: Horizontal, Vertical, N Pattern
  • Maximum Working Pressure: 175 psi (12.06 bar)
  • Temperature Range: 33°F - 110°F (5°C – 43°C)
  • Lead Content: Wetted surface < 0.25% lead by weight
  • Weight: 133 lbs (M300BFG model)

Certificates & Approvals

  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • AWWA C510-97
  • ASSE B64.5
  • cULus B64.5
  • UL Classified (BFG & OSY Only)
  • FM Approved (BFG & OSY Only)
  • NSF Certified to NSF/ANSI 372

FAQs

What is the primary purpose of the Maxim LFM300BFG backflow preventer?

The primary purpose is to prevent pollutants and non-potable water from re-entering the potable water supply system due to backpressure or backsiphonage, specifically for non-health hazard applications like fire sprinkler lines.

What does "Lead Free" construction mean for this product?

"Lead Free" construction indicates that the wetted surfaces of the product, which come into contact with consumable water, contain less than 0.25% lead by weight, complying with modern lead-free installation requirements.

Can this backflow preventer be installed in different orientations?

Yes, the Maxim LFM300BFG is approved for installation in horizontal, vertical, or N pattern configurations, providing flexibility for various plumbing layouts.

How does the bypass assembly function on this model?

The bypass assembly includes a meter that registers water usage in gallons or cubic feet, a double check valve assembly, and test cocks. This meter helps detect underground leaks or unauthorized water usage on the system.

What type of shutoff valves are included with this assembly?

This assembly is equipped with grooved gear operated butterfly valves that include a tamper switch, ensuring secure operation and compliance.

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