SVX-310 | Stainless Safety Valve 4500 PSI 3/8 in NPT Port
- The AR SVX-310 Safety Relief Valve is a precision-engineered stainless-steel
overpressure protection component for industrial, commercial, and high-performance hydraulic systems. - Rated for 4,500 PSI, it automatically relieves excess system pressure to prevent pump
damage, burst lines, and seal failure in demanding applications. - Built from 303 stainless steel with 3/8″ NPT female ports, it offers exceptional
corrosion resistance and easy integration into standard pressure washer and hydraulic circuits.
Engineering & Construction
- Body Material: 303 stainless steel for corrosion resistance, mechanical integrity, and thermal stability.
- Port Size: 3/8″ NPT female threads for universal compatibility with common fittings and manifolds.
- Internal Assembly: Precision-machined stainless-steel spring and piston for smooth, friction-free movement.
- Sealing Elements: High-grade elastomer seals designed for heat resistance and long-cycle durability.
- Compact Design: Space-saving form factor ideal for mobile rigs, control blocks, and tight equipment layouts.
Functional Advantages SVX-310 | Stainless Safety Valve 4500 PSI 3/8 in NPT Port
- Automatic Overpressure Relief: Opens instantly when system pressure exceeds 4,500 PSI, venting excess fluid to stabilize the circuit.
- Self-Reseating Operation: Mechanism automatically reseals when pressure normalizes—no manual reset or recalibration needed.
- Repeatable Accuracy: Tight manufacturing tolerances and calibrated spring ensure consistent activation at the rated threshold.
- Flow-Efficient Design: Minimizes backpressure and turbulence, maintaining optimal hydraulic performance while relieving pressure.
- Corrosion Resistance: 303 stainless composition resists oxidation, scaling, and pitting in wet, chemical, or humid environments.
Installation & Maintenance
- Simple Installation: 3/8″ NPT threads allow direct installation into manifolds, pump heads, or control blocks with standard tools.
- Low Service Requirements: Periodic inspection and cleaning of the seat and spring assembly are typically all that’s required.
- Fast Replacement: Compact, threaded design enables quick swap-out during scheduled maintenance or upgrades.
- Hot or Cold Fluids: Suitable for use in systems handling both heated and ambient-temperature liquids.
Safety Role & Applications
- Secondary Safeguard: Works alongside unloaders, regulators, and control valves as a redundant layer of protection.
- Failure Protection: Prevents catastrophic damage during unloader malfunctions, blocked discharge lines, or operator error.
- Typical Uses: Industrial and commercial pressure washers, hydraulic power units, marine cleaning systems, fluid transfer lines, and process machinery.
Quality & Testing
- Each valve is factory-tested and calibrated by AR North America to verify activation pressure, reseating reliability, and leak-free performance.
- Internal components are manufactured to tight tolerances, ensuring precise, repeatable response over thousands of pressure cycles.
Key Specifications
- Model: AR SVX-310 Safety Relief Valve
- Working Pressure: 4,500 PSI
- Body Material: 303 stainless steel
- Ports: 3/8″ NPT female
- Function: Automatic overpressure relief with self-resetting piston and spring assembly
- Media: Compatible with water, detergents, and many industrial chemicals (check chemical compatibility requirements).
SVX-310 | Stainless Safety Valve 4500 PSI 3/8 in NPT Port
- The AR SVX-310 combines a 4,500 PSI rating, 3/8″ NPT connections, and durable
303 stainless-steel construction to deliver reliable, maintenance-light overpressure protection
for high-demand fluid systems. - Its compact footprint, corrosion resistance, and precision self-resetting design make it a trusted
safeguard for professionals who require the highest level of pressure control, safety, and long-term
reliability in their equipment.





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