Backflow Preventer Valve is a Reduced Pressure Principle (RPZ) assembly engineered to protect potable water supplies from contamination caused by backsiphonage and backpressure. Designed with a wye-pattern bronze body, it provides easy access for inspection and maintenance, helping to reduce downtime and service costs.
This RPZ backflow preventer features corrosion-resistant components and a compact, serviceable design, ensuring long-term durability and reliability in both residential and commercial plumbing systems.
Key Features & Benefits
1:Durable Bronze Body – Constructed from premium, corrosion-resistant bronze for extended service life.
2:Top Access Check Valves – Simplifies maintenance in confined spaces and allows quick in-line servicing.
3:Replaceable Check and Relief Valve Seats – Extends product lifespan and minimizes maintenance costs.
4:Compact & Versatile Design – Suitable for a variety of plumbing and irrigation applications.
5:In-Line Serviceable – Reduces labor costs and shortens system downtime.
5:Wye-Pattern Configuration – Facilitates easier installation and improved hydraulic performance.
Available Sizes
- 1/4″
- 3/8″
- 1/2″
- 3/4″
- 1″
- 1-1/4″
- 1-1/2″
- 2″
Applications
The Backflow Preventer Valve is designed to safeguard potable water systems by preventing contaminated water from reversing into clean water supplies. It is ideal for use in:
- Residential water systems
- Commercial buildings
- Industrial plumbing systems
- Irrigation networks
- Fire protection systems
- Municipal water supply lines
This reduced pressure principle assembly is particularly effective in high-hazard situations where contamination could pose a serious health risk.
Industry Compliance & Certifications
✔ ASSE® 1013 Listed
✔ IAPMO® Certified
✔ CSA® B64.4 Compliant
✔ AWWA Approved
✔ Certified by the Foundation for Cross-Connection Control & Hydraulic Research (USC)
These certifications ensure the valve meets or exceeds international standards for cross-connection control, performance, and safety.
Technical Specifications
- Sizes: 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″
- Maximum Working Pressure: 175 PSI
- Maximum Working Temperature: 180°F (82°C)
- Hydrostatic Test Pressure: 350 PSI
- Threaded Connections (FNPT): ANSI B1.20.1
- Relief Valve Discharge Port:
- 1/4” – 1/2”: 0.38 sq. in.
Materials of Construction
- Main Valve Body: Cast bronze ASTM B584
- Access Covers: Cast bronze ASTM B584
- Internal Components: Stainless steel (300 Series)
- Elastomers: Silicone (FDA-approved), Buna-N (FDA-approved)
- Polymers: Noryl™, NSF-listed
- Springs: Stainless steel, 300 series
This premium material combination ensures resistance to corrosion, wear, and temperature extremes, guaranteeing consistent performance in harsh environments.
Installation Guidelines
Follow all applicable local plumbing codes for compliance and safety.
Install the unit 12″ (305 mm) to 30″ (762 mm) above a suitable drain.
Maintain adequate side clearance for testing and maintenance.
Prevent submersion or exposure to water damage from the relief valve discharge.
Always install according to the latest Uniform Plumbing Code (UPC) and the manufacturer’s installation instructions.
💡 Pro Tip: Regular inspection and testing ensure optimal backflow protection and system longevity.
Why Choose a Reduced Pressure Principle Backflow Preventer Valve?
✔ Superior Protection: Effectively prevents contamination in potable water lines from backpressure or backsiphonage.
✔ Ease of Maintenance: Top-access check valves simplify servicing and debris removal.
✔ Time & Cost Savings: Wye-pattern design minimizes installation time and labor costs.
✔ Long-Term Reliability: Built from corrosion-resistant materials for consistent performance.
✔ Code Compliant: Meets or exceeds all major backflow prevention standards.