6 LFM500-OSY-GPM

Item Number: 0124786
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$21,849.00
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 6 inch
  • Weight: 517.0 lb
  • Reduced Pressure Detector Backflow Preventer
  • 304 Stainless Steel Housing & Sleeve
  • OSY Resilient Seated Gate Valves
  • Includes Gallon Per Minute (GPM) Meter
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 110°F
  • Lead Free Construction

Description

This Maxim™ 6 inch lead free reduced pressure detector backflow preventer assembly (LFM500) protects potable water supplies from contamination caused by backflow and backsiphonage. Constructed with a 304 stainless steel body and sleeve, it features OSY resilient seated gate valves and torsion spring check valves for reliable performance. An integrated gallon per minute (GPM) meter allows for leak detection and monitoring of water usage. Designed for fire sprinkler systems and service line entrances, this assembly ensures compliance with national plumbing codes. It operates within a 33°F to 110°F temperature range and withstands up to 175 psi maximum working pressure.
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Additional Details

This Maxim™ 6 inch lead free reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply due to backsiphonage or backpressure. It is ideal for protecting cross-connections with health hazards, such as on fire sprinkler systems and at service line entrances.

Features

  • Compact modular design with a single access cover for easy maintenance
  • Entire valve body and closure sleeve manufactured from 304 (schedule 40) stainless steel
  • Includes torsion spring check valves
  • Features outside stem and yoke (OSY) resilient seated gate valves
  • Equipped with drip tight shutoff valves
  • Includes bronze body nickel plated test cocks
  • Furnished with a gallon per minute (GPM) meter to detect underground leaks and unauthorized water use
  • Corrosive resistant bottom mounted pressure relief valve

Specifications

  • Size: 6 inch
  • Assembly Type: Reduced Pressure Detector Backflow Preventer
  • Brand: Maxim™ (Lead Free)
  • Shutoff Valves: OSY (Outside Stem and Yoke)

Materials

  • Housing & Sleeve: 304 (Schedule 40) Stainless Steel
  • Elastomers: EPDM, Silicone, Buna 'N'
  • Link Check: Noryl®, Stainless Steel
  • Check Discs: Reversible Silicone or EPDM®
  • Test Cocks: Lead Free Cast Copper Silicon Alloy
  • Pins & Fasteners: Series Stainless Steel
  • Springs: Stainless Steel

Performance

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

Dimensions (Approximate)

  • Overall Length (A): 47 3/4 inch (1213 mm)
  • Length C (OSY): 30 1/8 inch (765 mm)
  • Width D: 9 1/2 inch (241 mm)
  • Height H: 37 1/2 inch (953 mm)
  • Depth P: 23 3/16 inch (605 mm)
  • Meter Housing Length (M): 19 1/2 inch (495 mm)
  • Valve to Valve Length (G): 34 1/4 inch (870 mm)
  • Gate Valve Handle Length (J): 49 inch (1245 mm)

Weight (Approximate)

  • Weight: 407 lbs (185 kgs)

Certificates & Approvals

  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • AWWA C511-97
  • ASSE 1047
  • CSA B64.4
  • CULUS Classified (**BFG & OSY Only)
  • FM Approved
  • NSF Certified to NSF/ANSI 372

FAQs

What is the primary purpose of this backflow preventer?

This assembly is designed to prevent the reverse flow of non-potable water and fire protection substances into the potable water supply, protecting against contamination from backsiphonage and backpressure.

What materials are used in the construction of the LFM500?

The main valve body and closure sleeve are constructed from 304 (schedule 40) stainless steel. Elastomers include EPDM, Silicone, and Buna 'N', with link checks made of Noryl® and stainless steel.

What is the maximum operating pressure and temperature range?

This backflow preventer has a maximum working pressure of 175 psi (12.06 bar). It is designed to operate within a temperature range of 33°F to 110°F (5°C to 43°C).

Does this assembly include a water meter?

Yes, it is furnished with a gallon per minute (GPM) meter. This meter helps detect underground leaks and unauthorized water use.

What type of shutoff valves does it use?

This model features outside stem and yoke (OSY) resilient seated gate valves, which allow for visual confirmation of the valve's open or closed position.

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