3 M200-NRS

Item Number: 0191013
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$7,024.50
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Nominal Size: 3 inch
  • Weight: 240.0 lb
  • Body Material: 304 Stainless Steel
  • Shutoff Valves: Non-Rising Stem (NRS)
  • Maximum Working Pressure: 175 psi
  • Lead Free: Less than 0.25% lead content
  • Installations: Horizontal, Vertical, N-Pattern
  • Easy serviceability without special tools
  • Approvals: AWWA C510-97, ASSE 1015, CSA B64.5, NSF/ANSI 61-G

Description

The 3 inch Maxim M200N Double Check Valve Backflow Preventer Assembly is designed to protect potable water systems from non-toxic pollutants due to backpressure or backsiphonage. This lead-free unit features a durable 304 stainless steel body, non-rising stem (NRS) shutoff valves, and patented Tri-Link checks for low pressure loss. It supports horizontal, vertical, or N pattern installations and offers easy serviceability with a single access sleeve. Rated for 175 psi maximum working pressure and temperatures from 33°F to 110°F, it is approved by AWWA C510-97, ASSE 1015, CSA B64.5, and NSF/ANSI 61-G. Item number 0191013.

Help Me Connect

This Maxim M200N backflow preventer features groove end connections for easy installation and integral pipeline adjustment. It is designed for compatibility with piping systems that utilize grooved mechanical couplings, allowing for straightforward connection to existing or new lines.

  • The assembly connects directly to 3 inch grooved piping.
  • Designed for horizontal, vertical, or N pattern installations, ensuring flexibility in various system layouts.
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Additional Details

The Maxim™ M200N Double Check Valve Assembly with NRS (Non-Rising Stem) shutoff valves is designed to prevent the backflow of pollutants, which are objectionable but not toxic, from entering potable water supply systems. This 3 inch lead free backflow preventer assembly is ideal for cross-connections identified as non-health hazards, such as high flow fire systems and service line entrances where non-potable water could be siphoned or backpressured into the potable supply.

This assembly consists of two independently operating check valves, two shutoff valves, and four test cocks, designed for continuous pressure service and non-health hazard applications.

Features

  • Extremely compact design, 70% lighter than traditional designs
  • Housing and sleeve constructed from 304 (Schedule 40) stainless steel
  • Groove fittings allow integral pipeline adjustment
  • Patented Tri-Link® checks provide lowest pressure loss
  • Unmatched ease of serviceability with a single access sleeve and no special tools required
  • Suitable for horizontal, vertical, or N pattern installations
  • Equipped with non-rising stem (NRS) resilient seated gate valves and ball valve type test cocks
  • Check discs feature reversible silicone or EPDM rubber
  • Wetted surface contains less than 0.25% lead by weight, meeting lead-free requirements

Construction & Materials

  • Body and Sleeve: 304 (Schedule 40) Stainless Steel
  • Checks: Tri-Link Noryl® and Stainless Steel
  • Check Discs: Reversible Silicone or EPDM
  • Elastomers: EPDM, Silicone and Buna 'N'
  • Test Cocks: Lead Free Bronze Body
  • Pins & Fasteners: 300 Series Stainless Steel
  • Springs: Stainless Steel

The information provided is not intended to replace full product installation and safety information or the experience of a trained product installer. Always read all installation instructions and product safety information before beginning installation.

Specifications

  • Product Type: Double Check Valve Backflow Preventer
  • Series: Maxim M200N
  • Nominal Size: 3 inch
  • 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)
  • Housing & Sleeve Material: 304 (Schedule 40) Stainless Steel
  • Check Materials: Tri-Link Noryl®, Stainless Steel
  • Check Disc Material: Reversible Silicone or EPDM
  • Elastomer Materials: EPDM, Silicone, Buna 'N'
  • Test Cock Material: Lead Free Bronze
  • Installation Orientation: Horizontal, Vertical, N Pattern

Certificates & Approvals

  • AWWA C510-97
  • ASSE 1015
  • CSA B64.5
  • FCCCHR-USC Approved
  • NSF/ANSI 61-G Certified

Dimensions (Approximate)

  • Overall Length (A): 31 3/4 inches (806 mm)
  • Shutoff Valve Length (C, NRS): 18 7/8 inches (479 mm)
  • Width (D): 10 1/4 inches (260 mm)
  • Height (H): 30 1/2 inches (775 mm)
  • Weight (NRS): 131 lbs (59 kgs)

FAQs

What is the primary application for the Maxim M200N Double Check Valve Assembly?

This assembly is primarily used to prevent backflow of non-toxic pollutants into potable water supply systems. It is suitable for non-health hazard applications, such as high-flow fire systems.

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. The Tri-Link checks incorporate Noryl® and stainless steel, with reversible silicone or EPDM check discs.

What type of shutoff valves are included with this M200N model?

The M200N model includes non-rising stem (NRS) resilient seated gate valves, which allow for a compact design and visual indication of valve position.

Can this backflow preventer be installed in any orientation?

Yes, the Maxim M200N is approved for horizontal, vertical, or N pattern installations, offering flexibility to suit various piping configurations. Always refer to the flow arrow for correct orientation.

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

This backflow preventer has a maximum working 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).

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