SVL50 Safety Relief Valve 8100 PSI High-Pressure Protection
- The AR SVL50 Safety Relief Valve is a high-performance, heavy-duty pressure protection device
engineered to provide precise, automatic overpressure control in demanding hydraulic and high-pressure water systems. - Rated at 8,100 PSI, it instantly and safely releases excess system pressure to protect pumps,
hoses, seals, and downstream components from overload or blockage. - Manufactured by Annovi Reverberi, the SVL50 combines Italian craftsmanship, precision
calibration, and long-term reliability for industrial and commercial applications operating near their maximum
pressure limits.
Key Specifications
- Model: AR SVL50 Safety Relief Valve
- Max Pressure Rating: 8,100 PSI
- Function: Automatic overpressure relief and system protection
- Body Material: High-strength, corrosion-resistant brass
- Internal Components: Stainless-steel piston and spring assembly
- Seals: Chemically resistant elastomer seals for high-cycle, high-temperature use
- Configuration: Compact, inline design with precision-machined threads
- Applications: Hydraulic circuits, industrial cleaning systems, high-pressure water pumps
How the SVL50 Works
- During normal operation, a calibrated stainless-steel spring holds the piston closed, keeping
the valve sealed and allowing full system pressure. - When pressure exceeds the 8,100 PSI threshold, the piston is forced off its seat, opening the
valve to vent excess fluid and relieve system stress. - Pressure is discharged in a controlled, balanced manner to prevent sudden shocks or damage to system components.
- Once pressure drops back into the safe operating range, the spring reseats the piston automatically, restoring
leak-free operation without manual reset or adjustment. - This continuous, self-actuating cycle provides hands-free protection and minimizes downtime and operator
intervention.
Construction & Materials
- Brass housing: Provides mechanical strength, corrosion resistance, and efficient heat
dissipation during rapid relief cycles. - Stainless-steel internals: Precision-machined piston and spring ensure accurate, repeatable
response with low friction under variable load conditions. - Premium elastomer seals: Maintain elasticity and sealing power under extreme pressure, heat,
vibration, and exposure to detergents and process fluids. - Smooth-flow interior: Minimizes turbulence and water hammer, preserving hydraulic stability
while delivering full relief capacity.
Benefits & Performance Advantages
- Automatic overpressure protection: Reacts instantly to pressure surges or blockages, preventing catastrophic equipment damage.
- High-pressure capability: 8,100 PSI rating makes it suitable for extreme-duty systems and high-output cleaning equipment.
- Consistent performance: Precisely calibrated activation point provides accurate, repeatable relief over thousands of cycles.
- Extended equipment life: Reduces mechanical stress on pumps, hoses, and seals, lowering wear and unplanned repair costs.
- Stable operation: Balanced relief design maintains flow and pressure equilibrium, supporting efficiency and smooth system behavior.
Installation & Service
- Easy integration: Compact inline design and precision threads allow direct installation into
manifolds, pump heads, or hydraulic lines with minimal or no modification. - Secure connection: Machined threads ensure a tight, leak-free seal that resists vibration and
pressure fluctuations in both mobile and stationary systems. - Low maintenance: Routine cleaning of the valve seat and periodic inspection of the spring and
seals are typically sufficient to maintain peak performance. - Service-friendly construction: Simple, accessible design lets technicians remove, inspect, or
replace the valve quickly during scheduled maintenance.
Typical Applications
- Industrial pressure washers and wash systems operating at very high pressures.
- Hydraulic test stands and manufacturing systems requiring precise pressure protection.
- Mobile and stationary industrial cleaning rigs and power washing assemblies.
- High-pressure hydraulic circuits where redundant safety protection is critical.
- Process equipment in plants and factories that must maintain strict pressure limits.
Quality & Factory Testing
- Each SVL50 valve is individually pressure-tested, calibrated, and certified by AR North
America to meet strict quality and performance standards. - Testing verifies accurate relief activation at the rated pressure, smooth resealing, and zero leakage under
normal operating conditions. - This certification ensures the valve consistently meets or exceeds industrial safety benchmarks in real-world
applications.
Summary
- The AR SVL50 Safety Relief Valve is a compact, heavy-duty overpressure protection device
rated at 8,100 PSI, combining brass durability, stainless-steel precision, and self-resetting functionality. - Engineered for precision, longevity, and effortless protection, it helps high-pressure hydraulic and water
systems operate safely and efficiently, delivering peace of mind in the harshest industrial environments.





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