2-1/2" Reduced Pressure Backflow Preventer Valve with OSY Valve
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Protect your water supply and keep your fire sprinkler system compliant with the Ames Backflows 2-1/2" Reduced Pressure Backflow Preventer Valve with OSY Valve. This heavy-duty safety device stops contamination on municipal or private water supplies while maintaining efficient water delivery, satisfying NFPA 13 and NFPA 25 standards for fire sprinkler systems.
This unit meets UL Listed, FM Approved, and ASSE standards, ensuring full regulatory compliance for your installation. You can easily isolate this system for servicing without interrupting your water flow, helping you maintain safety codes with minimal downtime.
Key Features & Construction
- Heavy-Duty Build: The cast iron body features corrosion-resistant coatings and stainless steel internal components for extended service life.
- Optimized Flow: The Z pattern flow design minimizes pressure loss and maximizes water delivery efficiency during activation.
- OS&Y Mechanism: The Outside Screw and Yoke design gives you a positive visual indication of the valve position for simple inspections.
- Pressure Handling: You can operate this valve with pressures up to 175 PSI (12.1 bar).
- Flexible Setup: The compact footprint fits tight mechanical spaces in either horizontal or vertical orientations with NRS threaded or grooved connections.
- Vivid Finish: The bright red exterior lets you spot the valve immediately during emergencies or routine inspections.
Technical Specifications & Compliance Table
| Specification | Detail |
|---|---|
| Manufacturer / Brand | Ames Backflows |
| Model / Series Number / SIN | M500ZOSY-0250 |
| Connection / Thread Size & Type | 2-1/2" NRS Threaded or Grooved |
| Pressure Rating (WWP / Max Working Pressure) | 175 PSI (12.1 bar) |
| K-Factor | N/A |
| Temperature Rating / Response Type | N/A |
| Material / Body Construction | Cast Iron Body with Stainless Steel Internal Components |
| Agency Listings & Approvals | UL Listed, FM Approved, ASSE |
| Applicable NFPA Standards | NFPA 13, NFPA 25 |
Verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical data sheets before installation.
Documentation: View manufacturer specifications and product information.
| Item Number | M500ZOSY-0250 |
|---|---|
| Brand | Ames Backflows |
| Box Quantity | 1 |
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Return policy
You have 30 days to return the product. Returned items must be in the original packaging, contain all components, and be in new condition. Returns may require additional information or a photo of the item(s) to process the return. Returns received without the proper return label may take more than 10 business days to credit.
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