Lead Free: Wetted surface contains less than 0.25% lead
Low Head Loss via Cam-Check Assembly
Installation: Horizontal or vertical "flow up" position
Compact, modular design for easy maintenance
Long term corrosion protection with stainless steel
Description
The 2 1/2 inch Ames 2000SS-DNRS Double Check Valve Backflow Preventer Assembly is designed to protect potable water systems from non-potable water contamination caused by backsiphonage or backpressure. Featuring a lightweight 300 Series stainless steel body and domestic non-rising stem shutoff valves, it ensures long-term corrosion resistance and durability. This lead-free assembly has a maximum working pressure of 175 PSI and is suitable for non-health hazard applications. Its compact, modular design with cam-check valves provides low head loss and allows for easy maintenance, supporting both horizontal and vertical "flow up" installations. Item number 0692780.
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Connections and Compatibility
This assembly is designed to prevent reverse flow of non-potable water into potable water systems.
It is suitable for cross-connections identified as non-health hazards.
The unit can be installed in either a horizontal or vertical "flow up" position as indicated by the flow arrow on the assembly.
This 2 1/2 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 due to backsiphonage or backpressure.
It provides continuous pressure service and protection at cross-connections identified as non-health hazards and from other non-toxic contaminants. The compact, modular design with a single access sleeve allows for easy maintenance.
Features
Cam-Check Assembly provides low head loss.
Short lay length is ideal 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).
The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.
Specifications
Nominal Size: 2 1/2 inch
Main Valve Body Material: 300 Series stainless steel
All Internal Metal Parts Material: 300 Series stainless steel
Check Valve Type: Independently operated spring loaded cam-check valves
Lead Content: Lead Free (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)
Installation Position: Horizontal or vertical "flow up"
Flange Dimension Standard: AWWA Class D
Certificates & Approvals
ASSE 1015
cULus
AWWA C510-92
CSA B64.5
FAQs
What is the primary purpose of the 2 1/2 2000SS-DNRS backflow preventer?
This assembly is designed to prevent the reverse flow of non-potable water into the potable water supply due to backsiphonage or backpressure, protecting against contamination from non-health hazards.
Is this backflow preventer considered lead-free?
Yes, it is lead-free. The wetted surface of this product, which comes into contact with consumable water, contains less than 0.25% of lead by weight.
What is the maximum operating pressure and temperature range for this unit?
The maximum working pressure is 175 psi (12.06 bar). It can operate in a temperature range of 33°F to 110°F (5°C to 43°C).
Can the 2 1/2 2000SS-DNRS be installed in any position?
It can be installed in either a horizontal or a vertical "flow up" position, in accordance with ASSE standards and the flow arrow on the assembly.
What type of materials are used for the body and internal components?
The main valve body and all internal metal parts are manufactured from 300 Series stainless steel for corrosion resistance and strength. The check assembly uses Noryl®.
