Approved for horizontal or vertical "flow up" installation
Includes Domestic OS&Y resilient seated gate valves
Description
The 4 inch Series 2000SS Double Check Valve Backflow Preventer Assembly with domestic OS&Y shutoffs is designed to prevent the reverse flow of polluted water into potable systems, suitable for non-health hazard installations. It features a lightweight, corrosion-resistant 300 Series stainless steel body and cam-check valves for low head loss. Rated for 175 PSI maximum working pressure and approved to ASSE 1015, CSA B64.5, and AWWA C510-92 standards. Its wetted surfaces contain less than 0.25% lead by weight, making it a lead-free solution for various applications.
This 4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of non-potable water into the potable water supply, protecting against backsiphonage and backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for continuous pressure service and protection at cross-connections identified as non-health hazards and from other non-toxic contaminants found at the service line entrance.
This compact modular design features a stainless steel body and domestic outside stem and yoke (OS&Y) resilient seated gate valves. It is approved for horizontal or vertical installation in accordance with the direction of the flow arrow on the assembly.
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).
Includes an integrated supervisory switch as an option on each gate valve of the OS&Y model.
Specifications
Size: 4 inch
Maximum Working Pressure: 175 psi (12.06 bar)
Temperature Range: 33°F - 110°F (5°C - 43°C)
Lead Free: Wetted surface contains less than 0.25% of lead by weight
Main Valve Body Material: 300 Series stainless steel
All Internal Metal Parts: 300 Series stainless steel
Check Assembly Material: Noryl®
Flange Dimension: AWWA Class D
Certificates & Approvals
Standard: AWWA C510-92
Standard: CSA B64.5
Approval: ASSE 1015
Approval: CULUS (OS&Y Only)
Approval: FM Approved (OS&Y Only)
FAQs
What is the primary function of this backflow preventer?
This 4 inch Series 2000SS Double Check Valve Backflow Preventer is designed to prevent the unwanted reversal of polluted water from entering the potable water system due to backsiphonage or backpressure.
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, providing corrosion resistance and maximum strength. The check assembly uses Noryl® material.
Is this backflow preventer suitable for all water systems?
This assembly is intended for non-health hazard installations. It is lead-free, with wetted surfaces containing less than 0.25% lead by weight, making it suitable for systems where lead content is a concern.
What are the installation requirements for this device?
The backflow preventer may be installed in either a horizontal or vertical "flow up" position, as approved by ASSE. It features a compact design and short lay length, making it suitable for retrofit installations and smaller vaults.
What is the maximum operating pressure and temperature range for this unit?
The maximum working pressure for this backflow preventer is 175 psi (12.06 bar). It operates within a temperature range of 33°F to 110°F (5°C to 43°C).
