8 M200N-NRS

Item Number: 0191022
1 1
$27,922.50
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 8 inch
  • Weight: 748.0 lb
  • Model: M200N
  • Shutoff Valves: Non-Rising Stem (NRS)
  • Housing & Sleeve Material: 304 Stainless Steel
  • Maximum Working Pressure: 175 psi
  • Lead Content: Less than 0.25% by weight
  • Easy Maintenance: Single housing sleeve access port
  • Approved for N Pattern installation

Description

The Maxim M200N 8 inch lead free double check valve backflow preventer assembly is engineered to prevent the backflow of non-toxic pollutants into potable water systems. Ideal for non-health hazard cross-connections in high flow fire systems or service line entrances. Featuring a compact design, 304 stainless steel housing, and patented Tri-Link checks for minimal pressure loss. This M200N model includes non-rising stem (NRS) shutoff valves, four test cocks, and is approved for N pattern installation. It is built for durability and easy serviceability with less than 0.25% lead content by weight.

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Installation Configurations

  • This double check valve assembly is approved for horizontal, vertical, or N pattern installations. The specific "N" pattern configuration is indicated for this assembly.

Connections

  • The housing is constructed with groove end connections, allowing for integral pipeline adjustment.
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Additional Details

The Maxim M200N Double Check Valve Assembly is designed to prevent backflow of non-toxic pollutants into the potable water supply system.

This 8 inch assembly is suitable for continuous pressure service and non-health hazard applications, featuring non-rising stem (NRS) shutoff valves and Tri-Link checks.

Features

  • Extremely compact design, approximately 70% lighter than traditional designs for easier installation.
  • Housing and sleeve constructed from 304 (Schedule 40) stainless steel for durability.
  • Patented Tri-Link Checks provide the lowest pressure loss and are serviceable without special tools.
  • Groove fittings allow for integral pipeline adjustment.
  • Equipped with two independently operating check valves, two shutoff valves, and four test cocks.
  • Unmatched ease of serviceability with a single housing sleeve access port.
  • Approved for horizontal, vertical, or N pattern installations.
  • 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 Assembly
  • Brand: Maxim
  • Model: M200N
  • Size: 8 inch
  • Pattern: N Pattern
  • Shutoff Valves: Non-Rising Stem (NRS) Resilient Seated Gate Valves
  • Maximum Working Pressure: 175 psi (12.06 bar)
  • Temperature Range: 33°F - 110°F (0.5°C – 43°C)
  • Weight (NRS): 598 lbs (271 kg)

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: 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)
  • AWWA Standard: AWWA C510-97
  • ASSE: ASSE 1015
  • CSA Standard: CSA B64.5
  • Approval: FM Approved
  • Certification: NSF/ANSI 61-G

FAQs

What is the primary purpose of the Maxim M200N Double Check Valve Assembly?

The primary purpose is to prevent the backflow of non-toxic pollutants from entering the potable water supply system due to backsiphonage or backpressure. It is intended for non-health hazard applications.

What type of shutoff valves does this 8 inch M200N assembly use?

This assembly uses non-rising stem (NRS) resilient seated gate valves as its shutoff valves.

What material is the housing and sleeve constructed from?

The housing and sleeve are constructed from durable 304 (Schedule 40) Stainless Steel.

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

The maximum working pressure is 175 psi (12.06 bar), and the operating temperature range is 33°F - 110°F (0.5°C – 43°C).

Can this backflow preventer be installed in different orientations?

Yes, this Maxim M200N assembly is approved for horizontal, vertical, or N pattern installations, providing flexibility for various plumbing layouts.

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