CV3-31014 | Stainless Check Valve 4500 PSI 1/4 F x 1/4 F Ports
- The AR CV3-31014 is a precision-engineered stainless-steel one-way check valve designed by Annovi Reverberi for high-pressure pumping and cleaning systems.
- Rated for operation up to 4,500 PSI, it provides reliable backflow prevention and pressure control in pressure washer systems, industrial washdown lines, and other fluid-handling assemblies.
- Dual 1/4-inch female NPT threaded ports make it easy to integrate into compact or full-scale installations that demand consistent directional flow control.
- Purpose-built to safeguard pumps, manifolds, and downstream accessories from reverse flow, pressure spikes, and contamination.
Design & Construction
- CV3-31014 Body is machined from corrosion-resistant stainless steel for superior resistance to rust, scale, and aggressive chemicals.
- Compact cylindrical design with tight machining tolerances maintains dimensional stability under vibration and fluctuating temperatures.
- Internally polished flow path minimizes turbulence and pressure drop across the valve, promoting efficient system performance.
- Precision-lapped stainless-steel sealing elements provide tight closure and minimal leakage under static pressure.
Flow Control & System Protection
- CV3-31014 Spring-loaded poppet assembly opens smoothly with forward pressure and closes instantly when reverse flow occurs.
- Rapid response protects sensitive pump components such as plungers, seals, and internal check assemblies from backpressure damage.
- Helps maintain system pressure integrity during shutdowns, intermittent cycling, or unexpected stops.
- Reduces hydraulic shock when the pump stops abruptly, protecting hoses, gauges, fittings, and manifolds from pressure spikes.
Installation & Compatibility
- Dual 1/4-inch female NPT ports allow quick connection to hoses, rigid tubing, or fittings in both portable and stationary systems.
- Can be installed at the pump outlet, between discharge line sections, or at manifold junctions where isolation and backflow prevention are critical.
- Small footprint makes it ideal for compact cleaning rigs, automated wash systems, and chemical injection loops where space is limited.
- Compatible with a wide range of AR North America pumps and accessories, supporting consistent system design and balanced flow dynamics.
CV3-31014 | Stainless Check Valve 4500 PSI 1/4 F x 1/4 F Ports
Applications
- Industrial cleaning equipment and pressure washer assemblies requiring high-pressure backflow protection.
- Car and truck wash systems, fleet wash bays, and commercial washdown lines.
- Agricultural sprayers, process water recirculation systems, and chemical injection circuits.
- Marine, food-processing, and other environments where stainless construction and contamination control are essential.
Maintenance & Serviceability
- Valve can be disassembled with standard tools for inspection, cleaning, and internal component access.
- Periodic removal of debris or mineral buildup from the poppet and seat helps maintain sealing performance, especially with unfiltered or reclaimed water.
- Reassembly with thread sealant or PTFE tape on fittings ensures leak-free performance under vibration and high pressure.
- Durable stainless-steel body and resilient spring mechanism minimize maintenance frequency and reduce replacement costs over time.
Why Choose the AR CV3-31014 Check Valve?
- Provides dependable, high-pressure backflow protection up to 4,500 PSI in a compact stainless-steel package.
- Enhances system safety, protects expensive pump components, and stabilizes downstream pressure for nozzles, injectors, and spray accessories.
- Manufactured and tested to rigorous dimensional and pressure standards to ensure sealing accuracy and flow efficiency.
- Ideal for equipment builders, custom skid manufacturers, and maintenance professionals who need a balance of size, strength, and long-term serviceability.





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