2 1/2 M200N-NRS

Item Number: 0191018
1 1
$7,134.75
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 2 1/2 inch
  • Weight: 173.0 lb
  • Body Material: 304 Stainless Steel
  • Shutoff Valves: Non-Rising Stem (NRS) Gate
  • Check Type: Tri-Link Checks for low pressure loss
  • Maximum Operating Pressure: 175 psi
  • Installation: Horizontal, Vertical, or N Pattern
  • Lead Content: Less than 0.25% by weight
  • Serviceability: Easy, no special tools required

Description

The Ames Maxim M200N 2 1/2 inch lead-free double check valve backflow preventer assembly safeguards potable water from pollutants in non-health hazard applications like fire systems. Featuring a 304 stainless steel housing, two Tri-Link check valves, and non-rising stem (NRS) resilient seated gate valves, it ensures reliable backflow protection. Its compact, modular design with a single access sleeve allows for easy maintenance without special tools. Approved for horizontal, vertical, or N pattern installations, this unit has a maximum operating pressure of 175 psi. Item 0191018 is ASSE 1015 and AWWA C510-97 approved.

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Connections and Installation

  • This double check valve assembly features groove end connections for integral pipeline adjustment, ensuring ease of installation.
  • It is approved for installation in horizontal, vertical, or N pattern configurations. Always refer to the direction of the flow arrow on the assembly during installation.
  • For specific details on connection to piping systems, consult local plumbing codes and the full product installation instructions.
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Additional Details

The Maxim M200N Double Check Valve Assembly is designed to prevent the reverse flow of pollutants from entering the potable water supply system. It is suitable for non-health hazard applications, such as high-flow fire systems and other contaminants at the service line entrance.

This assembly consists of two independently operating Tri-Link Checks, two Non-Rising Stem (NRS) resilient seated gate shutoff valves, and four test cocks. Its compact, modular design with a single access sleeve allows for unmatched ease of serviceability and maintenance without special tools.

Features

  • Extremely Compact Design: 70% lighter than traditional designs.
  • Durable Construction: 304 (Schedule 40) Stainless Steel housing and sleeve.
  • Integral Pipeline Adjustment: Groove fittings allow for easy installation.
  • Lowest Pressure Loss: Patented Tri-Link Checks minimize flow restriction.
  • Easy Serviceability: Check modules are removable and serviceable without special tools.
  • Flexible Installation: Approved for horizontal, vertical, or N pattern installations.
  • Replaceable Check Disc Rubber.

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

Specifications

  • Product Type: Double Check Valve Assembly
  • Series: Maxim M200N
  • Nominal Size: 2 1/2 inch
  • Housing & Sleeve Material: 304 (Schedule 40) Stainless Steel
  • Check Type: Tri-Link Checks
  • Check Disc Material: Reversible Silicone or EPDM
  • Elastomers: EPDM, Silicone, and Buna 'N'
  • Shutoff Valves: Non-Rising Stem (NRS) Resilient Seated Gate Valves
  • Test Cocks: Lead Free Bronze Body
  • Pins & Fasteners: 300 Series Stainless Steel
  • Springs: Stainless Steel
  • Maximum Operating Pressure: 175 psi (12.06 bar)
  • Temperature Range: 33°F - 110°F (0.5°C – 43°C)
  • Configurations: Horizontal, Vertical, N-Pattern
  • Lead Content: Wetted surface contains less than 0.25% lead by weight

Approvals

  • Approved by FCCCHR-USC
  • AWWA C510-97
  • ASSE 1015
  • NSF Certified to 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 pollutants, which are objectionable but not toxic, from entering the potable water supply system. It is designed for non-health hazard applications.

What type of shutoff valves are included with this assembly?

This Maxim M200N assembly includes Non-Rising Stem (NRS) resilient seated gate valves. These provide reliable shutoff capability.

Can this backflow preventer be installed in different orientations?

Yes, the Maxim M200N is approved for horizontal, vertical, or N pattern installations. Ensure to follow the direction of the flow arrow on the assembly during installation.

What materials are used for the housing and internal components?

The housing and sleeve are constructed from 304 (Schedule 40) Stainless Steel. Check discs are reversible Silicone or EPDM, and test cocks are made from Lead Free Bronze Body.

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

The Maxim M200N has a maximum operating pressure of 175 psi (12.06 bar) and operates within a temperature range of 33°F to 110°F (0.5°C to 43°C).