This 6 inch Ames Fire & Waterworks 2000SS-NRS Double Check Valve Backflow Preventer Assembly prevents the reverse flow of polluted water into potable water systems. Designed for non-health hazard cross-connections, it features a lightweight 300 Series stainless steel body for superior corrosion resistance and a short lay length for easy retrofit installations. The assembly includes non-rising stem resilient seated gate valves, spring-loaded cam-check valves, and test cocks. It has a maximum working pressure of 175 PSI and operates between 33°F and 110°F. Maintenance is simple with a single top access cover. Item number 0690501.
Help Me Connect
Connections
This 6 inch double check valve backflow preventer assembly features flanged connections for both the inlet and outlet.
The flange dimensions are in accordance with AWWA Class D standards, ensuring compatibility with standard flanged piping systems.
This 6 inch Ames Fire & Waterworks 2000SS-NRS Double Check Valve Backflow Preventer Assembly is designed to prevent the reverse flow of polluted water from entering the potable water system. It is suitable for non-health hazard installations, protecting against backsiphonage or backpressure.
Key Features
Low Head Loss: Cam-Check Assembly design minimizes pressure drop.
Compact & Lightweight: Short lay length and stainless steel body (half the weight of competitive designs) simplify installation and reduce shipping costs.
Durable Construction: 300 Series stainless steel body and internal parts provide long-term corrosion protection and maximum strength.
Easy Maintenance: Single top access cover with two-bolt grooved style coupling allows for servicing without special tools.
Versatile Installation: Approved for horizontal or vertical "flow up" installation (ASSE Only) and ideal for retrofit applications.
Lead Free: Wetted surfaces contain less than 0.25% lead by weight.
Components
Main valve body manufactured from 300 Series stainless steel.
Includes two independently operated spring loaded cam-check valves.
Features non-rising stem resilient seated gate valves (NRS) for reliable shutoff.
Equipped with test cocks for monitoring performance.
Lead Content: Less than 0.25% by weight (lead free)
Standards & Approvals
AWWA C510-92
CSA B64.5
ASSE 1015
CULUS Classified
FAQs
What is the primary purpose of this backflow preventer?
This double check valve backflow preventer is designed to prevent the reverse flow of polluted (non-potable) water from entering the potable water supply due to backsiphonage or backpressure in non-health hazard installations.
What is the maximum working pressure and temperature range for this assembly?
The maximum working pressure for this assembly is 175 PSI (12.06 bar). It can operate effectively within a temperature range of 33°F to 110°F (5°C to 43°C).
What materials are used in the construction of the valve body and internal parts?
The main valve body and all internal metal parts are manufactured from 300 Series stainless steel, providing excellent corrosion resistance and strength. The check assembly uses Noryl®.
Is this backflow preventer approved for both horizontal and vertical installation?
Yes, this assembly is approved for both horizontal and vertical "flow up" installation, as per ASSE standards, making it versatile for various plumbing configurations.
Does this product contain lead?
No, the wetted surface of this product that contacts consumable water contains less than 0.25% of lead by weight, making it a lead-free solution.
