6 M200N-NRS

Item Number: 0191021
1 1
$14,007.76
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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: 518.0 lb
  • Housing Material: 304 Stainless Steel
  • Maximum Operating Pressure: 175 PSI
  • Temperature Range: 33°F - 110°F
  • Shutoff Valves: Non-Rising Stem (NRS)
  • Check Type: Patented Tri-Link Checks
  • Lead Content: Less than 0.25% (Lead Free*)
  • Installation Patterns: Horizontal, Vertical, N Pattern

Description

The Maxim M200N is a 6-inch lead-free double check valve backflow preventer assembly designed to prevent non-potable water from entering the potable water supply. Ideal for non-health hazard applications like high-flow fire systems, it features a durable 304 stainless steel body, non-rising stem (NRS) shutoff valves, and patented Tri-Link checks for low pressure loss. This compact unit supports horizontal, vertical, or N-pattern installations, offers unmatched ease of serviceability, and operates up to 175 PSI within a 33-110°F temperature range. Item number 0191021.

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Installation Guidance

  • This assembly is approved for N pattern installation, aligning with the direction of flow.
  • It can also be installed in horizontal or vertical orientations.
  • The groove fittings are designed to allow for integral pipeline adjustment, simplifying connection into your system.
  • Designed for protection at cross-connections classified as non-health hazards.
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Additional Details

This Maxim™ 6 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and/or backpressure. It is ideal for protection at cross-connections identified as non-health hazards, such as on high flow fire systems and from other contaminants found at the service line entrance.

Features

  • Extremely Compact Design, 70% lighter than traditional designs
  • 304 (Schedule 40) Stainless Steel housing and sleeve
  • Groove Fittings allow integral pipeline adjustment
  • Patented Tri-Link Checks provide lowest pressure loss
  • Unmatched Ease of Serviceability with a single housing sleeve access port design
  • Equipped with Non-Rising Stem (NRS) resilient seated gate shutoff valves
  • Four test cocks for accurate testing
  • Approved for N pattern installation (also supports horizontal or vertical)
  • Includes reversible elastomer check discs

The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

Specifications

General

  • Product Type: Double Check Valve Backflow Preventer Assembly
  • Brand: Maxim (Ames)
  • Model: M200N
  • Size: 6 inch
  • Design: Extremely Compact
  • Installation Pattern: N Pattern (also Horizontal, Vertical)

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 Body: Lead Free* Bronze
  • Pins & Fasteners: 300 Series Stainless Steel
  • Springs: Stainless Steel

Performance

  • Maximum Working Pressure: 175 PSI (12.06 bar)
  • Temperature Range: 33°F - 110°F (0.5°C – 43°C)

Certificates & Approvals

  • Approved by: Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • AWWA C510-97
  • ASSE 1015
  • CSA B64.5
  • UL Classified
  • FM Approved
  • NSF Certified to NSF/ANSI 61-G

FAQs

What is the primary purpose of the Maxim M200N double check valve assembly?

Its primary purpose is to prevent backflow of pollutants, specifically non-potable water and fire protection substances, from entering the potable water supply system due to backsiphonage or backpressure.

What type of hazards is this backflow preventer designed to protect against?

This assembly is designed for use in non-health hazard applications, protecting against pollutants that are objectionable but not toxic, such as those found in high flow fire systems.

What materials are used in the construction of this assembly?

The housing and sleeve are constructed of 304 (Schedule 40) Stainless Steel. It uses EPDM, Silicone, and Buna 'N' for elastomers, Noryl® and Stainless Steel for the Tri-Link Checks, and Lead Free* Bronze for test cocks.

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

The Maxim M200N has a maximum working pressure of 175 PSI (12.06 bar) and an operating temperature range of 33°F to 110°F (0.5°C – 43°C).

What kind of shutoff valves does the M200N model utilize?

This specific M200N model comes with Non-Rising Stem (NRS) resilient seated gate shutoff valves.

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