4 2000SS-DNRS

Item Number: 0692776
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$7,517.25
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 4 inch
  • Weight: 293.0 lb
  • Body Material: 300 Series Stainless Steel
  • Maximum Working Pressure: 175 psi
  • Lead Free: Yes (<0.25% lead by weight)
  • Check Valve Type: Cam-Check
  • Shutoff Valves: Domestic NRS Gate Valves
  • Installation: Horizontal or Vertical "Flow Up"
  • Approvals: ASSE 1015, CULUS, AWWA C510-92, CSA B64.5

Description

The Ames Fire & Waterworks Series 2000SS 4 inch lead free double check valve assembly (0692776) prevents polluted water from entering potable water systems. Ideal for non-health hazard installations, it features a lightweight 300 Series stainless steel body, non-rising stem (NRS) resilient seated gate valves, and cam-check valves for low head loss. Its compact modular design allows for easy maintenance with a single top access cover and supports horizontal or vertical "flow up" installation. Rated for a maximum working pressure of 175 psi and approved by ASSE 1015, CULUS, AWWA C510-92, and CSA B64.5.

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Connections and Installation

  • This 4 inch double check valve assembly is designed for installation on non-health hazard potable water systems.
  • It features domestic non-rising stem resilient seated gate valves for isolation.
  • The assembly is suitable for installation in either a horizontal or vertical "flow up" position, as approved by ASSE.
  • Flange dimensions are in accordance with AWWA Class D standards.
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Additional Details

This 4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of polluted water from entering the potable water system. It is ideal for continuous pressure service and protection at cross-connections identified as non-health hazards.

Key Features

  • Features a stainless steel body that is half the weight of competitive designs, reducing installation and shipping costs.
  • Cam-Check Assembly provides low head loss for efficient operation.
  • Short lay length makes it ideally suited for retrofit installations and compact spaces.
  • Stainless steel construction ensures long-term corrosion protection and maximum strength.
  • Equipped with a single top access cover and two-bolt grooved style coupling for ease of maintenance; no special tools required for servicing.
  • Modular design allows for installation in horizontal or vertical "flow up" position (ASSE Only).
  • Includes domestic non-rising stem resilient seated gate valves and test cocks.
Inquire with governing authorities for local installation requirements. Thoroughly read all installation instructions and safety information before use.

Specifications

  • Product Type: Double Check Valve Assembly
  • Size: 4 inch
  • Body Material: 300 Series Stainless Steel
  • Internal Metal Parts Material: 300 Series Stainless Steel
  • Check Assembly Material: Noryl®
  • Shutoff Valves: Domestic Non-Rising Stem (NRS) Resilient Seated Gate Valves
  • Check Valve Type: Independently Operated Spring Loaded Cam-Check Valves
  • Lead Free: Yes (Wetted surface contains less than 0.25% lead by weight)
  • Maximum Working Pressure: 175 psi (12.06 bar)
  • Temperature Range: 33°F - 110°F (5°C - 43°C)
  • Flange Dimension: AWWA Class D

Certificates & Approvals

  • AWWA C510-92
  • CSA B64.5
  • ASSE 1015
  • CULUS Classified

FAQs

What is the primary purpose of the 4 inch 2000SS-DNRS backflow preventer?

The primary purpose of this 4 inch lead free double check valve assembly is to prevent the reverse flow of non-potable (polluted) water into the potable drinking water supply system due to backsiphonage or backpressure.

Is this backflow preventer suitable for all types of water contamination risks?

No, this Series 2000SS assembly is designed for use in non-health hazard installations. It is not intended for applications involving severe health risks.

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

The main valve body and all internal metal parts are constructed from 300 Series stainless steel for corrosion resistance, and the check assembly is made from Noryl®. It is 100% lead free through the waterway.

Can this backflow preventer be installed in any orientation?

This assembly may be installed in either a horizontal or vertical "flow up" position, as approved by ASSE standards. It features a compact modular design suitable for smaller vaults.

What is the maximum operating pressure and temperature for the 2000SS-DNRS?

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 (5°C to 43°C).

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