2 1/2 3000SS-OSY-GPM
Item Number: 0690475Brand - Ames
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- Size: 2 1/2 Inch
- Weight: 212.0 lb
- Body Material: Stainless Steel
- Shutoff Type: OSY Resilient Seated Gate Valves
- Meter Included: Gallons per Minute (GPM)
- Valve Type: Cam-Check Assembly for Low Head Loss
- Installation: Horizontal or Vertical "Flow Up"
- Maximum Working Pressure: 175 PSI
- Weight: Half the weight of competitive designs
Description
Description
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Connections and Compatibility
- The AMES Series 3000SS is designed for installation on fire protection systems to prevent backflow into the potable water supply.
- This assembly features flanged inlet gate connections and flanged outlet gate connections, suitable for integration into existing flanged piping systems.
- It is suitable for protecting against non-health hazard contaminants at cross-connections.

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Additional Details
The 2 1/2 inch AMES Series 3000SS Double Check Detector Assembly is designed to prevent the reverse flow of fire protection system substances and non-potable water into the potable water supply. This backflow preventer is ideal for protection at cross-connections identified as non-health hazards, such as those found in fire protection systems and from other service line contaminants.
This compact modular assembly features a lightweight stainless steel body, OSY resilient seated gate valves, and captured spring Cam-Check valves. It includes a gallon per minute (GPM) meter to detect underground leaks and unauthorized water use.
Features
- Cam-Check Assembly valve provides low head loss.
- Short lay length is ideally suited for retrofit installations.
- Stainless steel body reduces installation and shipping cost by being half the weight of competitive designs.
- 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.
- Furnished with a 5/8" x 3/4" bronze meter (gpm or cfm).
- Detects underground leaks and unauthorized water use.
- 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.
WARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Consult your local water authority, building, and plumbing codes before installation.
Specifications
General
- Product Type: Double Check Detector Backflow Preventer Assembly
- Size: 2 1/2 Inch
- Model: 3000SS-OSY FxF
- Main Valve Body Material: 300 Series Stainless Steel
- Internal Metal Parts: 300 Series Stainless Steel
- Check Assembly Material: Noryl® Flange (in accordance with AWWA Class D)
- Meter: 5/8" x 3/4" Bronze (GPM or CFM)
- Shutoff Valves: OSY Resilient Seated Gate Valves
- Check Valve Type: Cam-Check Assembly
Performance
- Maximum Working Pressure: 175 PSI (12 bar)
- Temperature Range: 33°F – 110°F (0.5°C – 43°C)
- Installation Orientation: Horizontal or Vertical "Flow Up" (ASSE Only)
Certificates & Approvals
- ASSE 1048
- AWWA C510-92
- CSA B64.5
- UL 1469
- UL Classified (OSY only)
- FM Approved (sizes 2 1/2" – 10", OSY only)
- USC Foundation for Cross-Connection Control and Hydraulic Research