CV3-40012 | Stainless Check Valve 5800 PSI 1/2 F x 1/2 F Ports
- CV3-40012 — stainless-steel, high-pressure check valve from Annovi Reverberi designed for one-way flow control in demanding systems.
- Rated up to 5,800 PSI, it stops backflow, stabilizes line pressure, and protects pumps, seals, gauges, and fittings from reverse-pressure damage.
- Features dual 1/2-inch female NPT ports for quick installation at pump outlets, discharge manifolds, and critical branch lines.
- Compact, technician-friendly design makes it ideal for industrial cleaning, pressure washing, and process water applications where reliability and space efficiency matter.
Design & Construction CV3-40012
- Body machined from corrosion-resistant stainless steel to resist rust, pitting, and chemical attack in wet, detergent-rich, or mildly aggressive environments.
- Precision internal geometry keeps the flow path smooth and efficient, minimizing turbulence and pressure drop across the valve.
- Balanced, low-restriction passage supports high volumetric efficiency and helps reduce cavitation, vibration, and wear on downstream components.
- Compact, lightweight form factor fits easily into tight panels, skid frames, and retrofit manifolds without crowding hoses or instruments.
CV3-40012 Flow Control & Protection
- When pressure reverses, the poppet snaps closed against a precision-finished stainless seat to create a tight seal and block backflow.
- Fast, repeatable closing action damps hydraulic shock during shutdowns, trigger cycling, or power interruptions.
- Helps protect pump plungers, seals, bearings, hoses, gauges, and sensors from reverse-pressure spikes and erosion, extending service life.
- Spring-loaded poppet opens automatically when forward line pressure overcomes the calibrated spring force, allowing free flow in the correct direction.
CV3-40012 Installation & Integration
- Standard 1/2-inch female NPT ports simplify leak-free connection with common fittings in both portable and stationary systems.
- Ideal mounting points include pump outlets, discharge headers, and critical branches where reverse flow must be contained.
- Simple commissioning: align the flow arrow with the intended direction, apply PTFE tape or thread sealant to clean threads, tighten to spec, and verify leak-free operation.
- Stabilizes unloader performance, helps maintain prime at startup, and supports smoother transitions as spray tools cycle on and off.
Applications CV3-40012 | Stainless Check Valve 5800 PSI 1/2 F x 1/2 F Ports
- Industrial pressure washers, fleet wash systems, and automated wash bays.
- Manufacturing plants, process water loops, and high-pressure washdown stations.
- Agricultural sprayers and mobile cleaning skids operating at elevated pressures.
- Multi-pump arrays where preventing reverse flow protects idle pumps and metering or sensing devices.
Maintenance & Serviceability
- Valve can be opened with standard tools for inspection, cleaning, and removal of mineral deposits or debris.
- Seat and spring are engineered for thousands of high-pressure reversals without loss of preload or sealing accuracy.
- After cleaning, reassemble to original torque and reinstall with fresh thread sealant for long-term, leak-free service.
- Routine checks during scheduled maintenance help preserve consistent sealing and system performance, even in hard- or reclaimed-water environments.
Why Choose the AR CV3-40012?
- Stainless-steel 1/2-inch NPT check valve rated to 5,800 PSI for serious high-pressure duty.
- Provides reliable one-way flow, rapid backflow shutoff, and improved line stability in a compact package.
- Protects upstream equipment and extends the life of downstream components by controlling reverse surge and pressure spikes.
- Built to Annovi Reverberi’s exacting standards, delivering dependable performance shift after shift in demanding high-pressure systems.





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