6 M400N-NRS

Item Number: 0191099
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$18,262.50
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 6 inch
  • Weight: 521.0 lb
  • Configuration: Horizontal N-Pattern
  • Housing & Sleeve: 304 (Schedule 40) Stainless Steel
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 110°F
  • Lead Free Bronze Body Test Cocks
  • Extremely compact and 70% lighter design
  • Patented Link Check provides lowest pressure loss

Description

This Maxim 6 inch lead-free Reduced Pressure Zone Backflow Preventer Assembly, SKU 0191099, protects potable water systems from contamination due to backsiphonage and backpressure. Ideal for health hazard cross-connections and continuous pressure piping, it prevents the reverse flow of non-potable water. Key features include a durable 304 stainless steel housing, an extremely compact design that is 70% lighter than traditional assemblies, and patented Link Check modules for minimal pressure loss. It is approved for horizontal N-pattern installation and includes non-rising stem resilient seated gate valves. This backflow preventer is a reliable solution for maintaining water quality.

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Installation & Connections

  • This 6 inch Maxim™ M400N Reduced Pressure Zone Backflow Preventer is approved for horizontal N-pattern installations, ensuring installation aligns with the direction of the flow arrow.
  • Designed to connect into continuous pressure piping applications to protect against backsiphonage and backpressure.
  • Features groove couplings for straightforward integration into pipelines.
  • When installing a drain line, ensure to use a 400 or 500 air gap.
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Additional Details

This Maxim™ 6 inch lead free reduced pressure zone backflow preventer assembly protects potable water systems from contamination due to backsiphonage or backpressure.

It is designed for continuous pressure piping applications and cross-connections identified as health hazards, preventing the reverse flow of fire protection substances and non-potable water into the drinking supply.

Key Features

  • 304 (Schedule 40) stainless steel housing and sleeve for durability.
  • Extremely compact design allows for installation in smaller enclosures.
  • Approximately 70% lighter than traditional designs for easier handling.
  • Groove couplings ensure easy installation and integral pipeline alignment.
  • Patented Link Check modules provide the lowest pressure loss.
  • Torsion spring check modules offer unmatched ease of serviceability.
  • Available with non-rising stem resilient seated gate valves.
  • Approved for horizontal N pattern installation (ensure direction of flow arrow is followed).
  • Equipped with drip tight shutoff valves and a bottom mounted stainless steel relief valve.
  • Features reversible elastomer discs and replaceable check disc rubber.

NOTICE: Always read all installation instructions and product safety information thoroughly before installing this product. This information is not intended to replace full product installation details or the experience of a trained installer.

Specifications

  • Size: 6 inch
  • Configuration: Horizontal N-Pattern
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Temperature Range: 33°F - 110°F (0.5°C – 43°C)
  • Approximate Weight: 371 lbs (168 kg)

Materials

  • Housing & Sleeve: 304 (Schedule 40) Stainless Steel
  • Elastomers: EPDM, Silicone, and 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

Certificates & Approvals

  • Approved by: Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC) (for 2.5"-10" horizontal, 2.5"-6" N and Z pattern)
  • AWWA Standard: C511-97
  • ASSE Standard: 1013
  • CSA Standard: B64.4

FAQs

What is the primary function of this Maxim M400N backflow preventer?

Its primary function is to protect potable water systems from contamination by preventing the reverse flow of fire protection substances or non-potable water due to backsiphonage or backpressure. It's suitable for health hazard applications.

What are the key materials used in the construction of this backflow preventer?

The housing and sleeve are made from 304 (Schedule 40) Stainless Steel. Elastomers are EPDM, Silicone, and Buna 'N', with Noryl® and Stainless Steel for link checks, and Lead Free Bronze Body for test cocks.

What installation configurations are supported for this specific model?

This 6 inch M400N model is approved for horizontal N-pattern installations. Always ensure the assembly is installed in accordance with the direction of the flow arrow.

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

The maximum working pressure is 175 psi (12.1 bar). It operates within a temperature range of 33°F to 110°F (0.5°C to 43°C).

Does this backflow preventer meet any specific industry approvals or standards?

Yes, it is approved by the Foundation for Cross-Connection Control and Hydraulic Research at USC, and meets AWWA C511-97, ASSE 1013, and CSA B64.4 standards.

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