12 2000SS-DOSY
Item Number: 0690563
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$41,808.76
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Estimated transit time: 2 to 5 Business Days
Brand - Ames
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- Size: 12 inch
- Weight: 1505.0 lb
- Body Material: Stainless Steel
- Lead Content: Less than 0.25% by weight
- Maximum Working Pressure: 175 psi
- Temperature Range: 33°F - 110°F
- Installation: Horizontal or Vertical "Flow Up"
- Low Head Loss Design
- No Special Tools Required for Servicing
Description
Description
This 12 inch Ames Series 2000SS Double Check Valve Backflow Preventer Assembly is designed to prevent polluted water from re-entering potable water systems. Ideal for non-health hazard installations, it features a durable, lightweight stainless steel body for long-term corrosion protection and reduced shipping costs. The compact modular design allows for easy maintenance without special tools and supports both horizontal and vertical "flow up" installation. It operates efficiently with low head loss and a maximum working pressure of 175 psi.
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Connections and Compatibility
- This 12 inch Double Check Valve Assembly includes resilient seated isolation valves.
- Flange dimensions are in accordance with AWWA Class D for reliable system integration.
- The integrated supervisory tamper switch, an option on OS&Y models, is designed to have continuity with the valve fully open and activate within two (2) turns from open.

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Additional Details
The 12 inch Ames Series 2000SS Double Check Valve assembly is designed to prevent the reverse flow of polluted water from entering the potable water system. This assembly is ideal for non-health hazard installations, providing continuous pressure service and protection at cross-connections.
Features
- Cam-Check Assembly provides low head loss for efficient operation.
- 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.
Inquire with governing authorities for local installation requirements. Always read all installation instructions and safety information before beginning installation.
Specifications
- Size: 12 inch
- Body Material: 300 Series Stainless Steel
- Check Assembly Material: Noryl®
- Lead Content: Less than 0.25% by weight
- Maximum Working Pressure: 175 psi (12.06 bar)
- Temperature Range: 33°F - 110°F (5°C - 43°C)
- Installation Orientation: Horizontal or Vertical "Flow Up"
Certificates & Approvals
- AWWA: C510-92
- CSA: B64.5
- ASSE: 1015
- UL: Classified (OSY), Certified (Integrated supervisory switch)
- FM: Approved (OSY)
- cULus: Yes
FAQs
What is the primary application of the Ames 2000SS Double Check Valve Assembly?
This assembly is designed to prevent the reverse flow of polluted water from entering potable water systems. It is primarily used in non-health hazard installations where approved by local authorities.
Is this backflow preventer suitable for both horizontal and vertical installations?
Yes, the Series 2000SS Double Check Valve Assembly may be installed in both horizontal or vertical "flow up" positions, as approved by ASSE.
What is the lead content of this product?
The wetted surface of this product, contacted by consumable water, contains less than 0.25% of lead by weight, making it a lead-free solution.
What is the maximum operating pressure and temperature range for this assembly?
This assembly has a maximum working pressure of 175 psi (12.06 bar) and operates within a temperature range of 33°F - 110°F (5°C - 43°C).
Are special tools required for maintenance of the Ames 2000SS?
No, this assembly is designed for ease of maintenance with a single top access cover and two-bolt grooved style coupling, requiring no special tools for servicing.