4 2000SS-NRS

Item Number: 0690491
1 1
$7,027.50
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • 4 inch lead free double check valve backflow preventer
  • Weight: 293.0 lb
  • Stainless steel body construction for corrosion protection
  • Non-rising stem (NRS) resilient seated gate valves
  • Cam-Check Assembly provides low head loss
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 110°F
  • Designed for non-health hazard applications
  • Approved for horizontal and vertical "flow up" installations

Description

The 4 inch AMES Series 2000SS Double Check Valve Backflow Preventer Assembly with NRS Shutoffs is designed for non-health hazard installations to prevent polluted water from entering potable water systems due to backsiphonage or backpressure. Featuring a lightweight, lead-free stainless steel body and cam-check valves for low head loss, this unit offers long-term corrosion protection. It has a compact design with a single top access cover for easy maintenance and can be installed horizontally or vertically. Rated for 175 psi maximum working pressure, it ensures reliable backflow prevention. Item number 0690491.

Help Me Connect

This 4 inch double check valve backflow preventer features NRS (Non-rising stem) resilient seated gate valves for isolation. The flange dimensions are in accordance with AWWA Class D, ensuring compatibility with standard piping systems for installation. It is suitable for new installations and retrofit installations and can be installed in both horizontal or vertical "flow up" positions.

View full details

Additional Details

This 4 inch lead free double check valve backflow preventer assembly prevents the reverse flow of polluted water from entering the potable water system. It is designed for non-health hazard installations, protecting against backsiphonage and backpressure in accordance with national plumbing codes and water authority requirements.

Key Features

  • Cam-Check Assembly provides low head loss.
  • Short lay length is ideally suited for retrofit installations.
  • Stainless steel body is half the weight of competitive designs, reducing installation and shipping cost.
  • Stainless steel construction provides long term corrosion protection and maximum strength.
  • Single top access cover with two-bolt grooved style coupling for ease of maintenance.
  • No special tools required for servicing.
  • Compact construction allows for smaller vaults and enclosures.
  • May be installed in horizontal or vertical "flow up" position (ASSE Only).
  • Features Non-rising stem (NRS) resilient seated gate valves and spring loaded cam-check valves.

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

Specifications

  • Valve Size: 4 inch
  • Main Valve Body Material: 300 Series stainless steel
  • All Internal Metal Parts Material: 300 Series stainless steel
  • Check Assembly Material: Noryl®

Performance

  • Maximum Working Pressure: 175 psi (12.06 bar)
  • Temperature Range: 33°F - 110°F (5°C - 43°C)

Connections

  • Shutoff Valves: Non-rising stem (NRS) resilient seated gate valves
  • Flange Dimension: In accordance with AWWA Class D

Certificates & Approvals

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

FAQs

What is the primary purpose of this backflow preventer?

This 4 inch AMES Series 2000SS Double Check Valve Assembly is designed to prevent the reverse flow of polluted water into the potable water system, specifically for non-health hazard applications where the risk of contamination is present.

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. The check assembly components are made from Noryl®.

What are the installation requirements for this assembly?

This unit can be installed in both horizontal and vertical "flow up" positions. Its short lay length and compact design make it suitable for new installations as well as retrofit projects and smaller vaults.

Does this product contain lead?

The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight, classifying it as lead-free and safe for use in potable water systems.

What is the maximum operating pressure and temperature range?

This backflow preventer has a maximum working pressure of 175 psi (12.06 bar). It is designed to operate effectively within a temperature range of 33°F to 110°F (5°C to 43°C).

Related Products

1 2