6 M500N-BFG-GPM

Item Number: 0191153
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$23,224.50
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Product Type: Reduced Pressure Detector Backflow Preventer Assembly
  • Weight: 333.0 lb
  • Size: 6 inch
  • Housing & Sleeve: 304 (Schedule 40) Stainless Steel
  • Shutoff Valves: Grooved Gear Operated Butterfly with Tamper Switch
  • Meter Type: Gallon per Minute (GPM)
  • Installation: Horizontal or N Pattern
  • Maximum Working Pressure: 175 psi
  • Approvals: ASSE 1047, CSA B64.4, UL Classified, FM Approved

Description

The Maxim M500N 6 inch Reduced Pressure Detector Backflow Preventer Assembly safeguards drinking water from hazardous cross-connections. It prevents reverse flow from fire protection and non-potable systems due to backsiphonage or backpressure. Constructed from 304 stainless steel with grooved butterfly valve shutoffs, this compact unit includes a GPM meter for leak detection. Approved for horizontal or N pattern installations, it offers low pressure loss and ease of serviceability. This assembly is suitable for health-hazard non-potable applications like fire lines, irrigation, and industrial processing. Item number 0191153.

Help Me Connect

Connections

  • This assembly features grooved butterfly valve shutoffs designed for grooved pipe connections. The groove couplings facilitate easy installation and pipeline alignment with compatible grooved piping systems.

Installation

  • The unit is approved for horizontal or N pattern installations, offering flexibility in deployment within your fire protection or non-potable service system.
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Additional Details

The Maxim M500N 6 inch Reduced Pressure Detector Backflow Preventer Assembly is designed to protect drinking water supplies from dangerous cross-connections. It prevents the reverse flow of non-potable water from fire protection systems and other health-hazard applications into potable water due to backsiphonage or backpressure.

This assembly monitors unauthorized water use from the fire protection system and is ideal for cross-connections identified as health hazards at the service line entrance.

Features

  • Extremely compact design, up to 70% lighter than traditional designs
  • Housing and sleeve constructed from 304 (Schedule 40) stainless steel
  • Groove fittings allow integral pipeline adjustment and easy installation
  • Patented Link Check provides lowest pressure loss
  • Unmatched ease of serviceability with replaceable check disc rubber
  • Available with grooved butterfly valve shutoffs and furnished with a gallon per minute (GPM) meter
  • Approved for horizontal or N pattern installations
  • Corrosive resistant bottom mounted pressure relief valve

WARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Before installing, consult your local water authority, building and plumbing codes.

Specifications

General

  • Product Type: Reduced Pressure Detector Backflow Preventer Assembly
  • Brand: Maxim (Ames Fire & Waterworks)
  • Model Series: M500N
  • Nominal Size: 6 inch
  • Flow Meter: Gallon per Minute (GPM)
  • Installation Pattern: N Pattern Horizontal

Materials

  • Housing & Sleeve: 304 (Schedule 40) Stainless Steel
  • Elastomers: EPDM, Silicone, Buna 'N'
  • 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
  • Shutoff Valves: UL/FM Grooved Gear Operated Butterfly Valves with Tamper Switch

Performance

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

Dimensions & Weight (Approximate)

  • Overall Length (M): 50 13/16 inches (1291 mm)
  • Height (H): 37 1/2 inches (953 mm)
  • P Measurement: 21 3/4 inches (553 mm)
  • G Measurement: 16 7/16 inches (418 mm)
  • J Measurement: 27 1/4 inches (692 mm)
  • Assembly Weight: 268 lbs (121.5 kgs)

Certificates & Approvals

  • ASSE: 1047
  • CSA: B64.4
  • UL Classified: For BFG & OSY Only
  • FM Approved: For BFG & OSY Only
  • AWWA: C511-97

FAQs

What is the primary purpose of the Maxim M500N 6 inch backflow preventer assembly?

The primary purpose is to protect drinking water supplies from contamination by preventing the reverse flow of non-potable water, such as from fire protection systems, into the potable water supply.

What materials are used for the main housing and components of this backflow preventer?

The housing and sleeve are constructed from 304 (Schedule 40) stainless steel. Key components like link checks use Noryl® and stainless steel, while test cocks are made from Lead Free* bronze.

What types of installations is this backflow preventer approved for?

This Maxim M500N assembly is approved for both horizontal and N pattern horizontal installations, providing flexibility for various piping configurations.

Does this backflow preventer include a feature for detecting water use or leaks?

Yes, this assembly comes furnished with a gallon per minute (GPM) meter, which is designed to monitor unauthorized water use and detect underground leaks in the system.

What are the maximum operating pressure and temperature limits for this device?

The Maxim M500N can withstand 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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