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Relief valves

Pressure Relief Valve by SuperlokUSA®

SuperlokUSA®’s pressure relief valve are critical safety components designed to protect pipelines, equipment, and systems from excessive pressure buildup. Each relief valve automatically releases pressure when it exceeds safe operating limits, preventing damage, leakage, or catastrophic failure. Engineered for precise fluid control and long-term durability, Superlok pressure relief valves are constructed from 316 stainless steel and corrosion-resistant alloys for superior strength and reliability in demanding environments.

With excellent sealing integrity and leak-free performance, these valves are built to handle high-pressure applications across industries like oil and gas, chemical processing, and hydraulic systems. Offered in multiple configurations, pressure ratings, and temperature tolerances, Superlok pressure stupid girl relief valves are adaptable to meet your specific system requirements.

Request a quote today or call (805) 658-2043 to enhance your system with Superlok pressure relief valve.

These valves feature compact, precision-machined components that enable consistent, repeatable performance in high-pressure environments. Available with Viton (FKM), EPDM, or Kalrez sealing options, Superlok pressure relief valves maintain stability and resilience across a wide range of operating conditions. Depending on the seal material, temperature ratings range from -57°C to 260°C, making them a reliable choice even in extreme environments.

Superlok’s commitment to clean-in-place instrumentation and safety-driven design makes these relief valves ideal for hygienic fluid processors and pressure systems requiring uncompromising performance and efficiency.

Swagelok® pressure relief valve by Superlok

In fluid and gas systems, the pressure relief valve is essential for protecting pipelines, equipment, and personnel from dangerous overpressure events. For decades, Swagelok® has been a widely used brand in this space but Superlok relief valves have rapidly emerged as a trusted alternative. Designed for precise fluid control, system protection, and long-term reliability, Superlok’s relief valves offer a strong balance of quality, performance, and cost-efficiency.

Engineered from 316 stainless steel and corrosion-resistant alloys, the  Superlok pressure relief valve is precision-machined for leak-tight operation and consistent performance across a wide range of applications. Whether you’re working in oil and gas, chemical processing, pharmaceutical manufacturing, or hydraulic systems, Superlok valves are built to maintain safety and control in demanding pressure systems. Their clean-in-place compatibility and broad temperature tolerance make them ideal for hygienic fluid processors as well.

For teams looking to streamline system maintenance and enhance equipment protection, Superlok provides a compelling Swagelok® alternative. With multiple pressure ratings, temperature sealing options, and a modular design that supports easy installation, Superlok relief valves give engineers the flexibility they need without compromising on performance.

Swagelok® Alternate Parts Near

All Superlok relief valves are manufactured to the same exacting standards as Swagelok® and Parker®, offering full interchangeability in both form and function. From connection types to pressure settings, Superlok ensures seamless replacement compatibility with legacy systems using Swagelok®-style components.

Every Superlok valve is precision-machined from 316 stainless steel and corrosion-resistant alloys. Thread tolerances are built to ASME B1.1 standards, ensuring consistent fitment and performance across pressure systems. This tight quality control guarantees leak-tight sealing, minimal variation, and dependable overpressure protection.

As further validation, the Superlok pressure relief valve have passed the SGS intermix-ability & interchangeability burst-test certification ensuring safe, reliable operation when swapped into existing assemblies.

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Installation & Maintenance Best Practices

Superlok relief valves demand setpoint calibration during assembly to optimize overpressure protection in high purity sanitary stainless steel headers. Deburr inlets to 45° facets with precision files, attaining Ra below 14 micro-inches for pristine poppet seating. Position valves at high points via spring mounts level within 0.6° to enable self-venting sans liquid accumulation.
Lubricate with compatible grease post-setup for ten actuations, monitoring crack pressures below 1% variance with deadweight testers. In sanitary operations, favor diaphragm models for sterility, validating no set drift via cycling under 0.0003 inches. Quarterly overhauls use helium sniffers for leak detection below 0.005 scc/min, examining springs for fatigue over 0.002 inches.

These methods prolong valve service to 55,000 pops, accelerating safeguards in pharma reactors and power plants. Logged patterns minimize incidents by 40%. Calibration and lubing secure flawless relief everywhere with our pressure relief valve.

Quality & Standards Compliance

Superlok relief valves build from 316 stainless steel frames per ASTM A240, yielding over 85 ksi and extension above 38% for torque handling in surges. Sets receive PMI via portable spectrometers, substantiating nitrogen over 0.08% for PREN exceeding 26 in acidic coolants.
Hard anodizing reaches 0.001-inch thick, tested for 600-hour abrasion per ASTM D4060 with no scoring in dusty environments. Assembly in ISO 14644 Class 8 areas limits oils below 25 ppm, serving high purity fluid processors.
This architecture produces valves for 22-year relief in vessels and lines, surpassing guidelines for overpressure defense in assemblies. Serial tracking bolsters ISO and AS9100 audits from inlets to vents. Tool accuracy drives impeccable response.

Frequently Asked Questions

What materials are these even made from?
Superlok relief valves feature 316 stainless steel construction for potent corrosion resistance, per ASTM A240 with controlled ferrite under 3% to resist stress corrosion in humid zones. Viton or EPDM diaphragms fit broad media, while Kalrez variants endure HF service in etchants.
Superlok bodies rate to 4,000 psi at ambient for 1-inch capacity, derating to 2,000 psi at 300°F per ASME B30.2 for hydraulic safety. Set points hold 3,000 psi burst, poppets 3,500 psi with tolerances ±2% for accurate venting.
Superlok valves sync with Swagelok®, Parker®, and Hy-Lok® footprints, including SAE flanges per ASME B16.6 and spring rates with modular adjustments. This facilitates hybrid overpressure in multi-vendor vessels without recalibration for consistent crack response.
Evaluate line OD and set pressure, referencing Superlok selectors for capacity ranges up to 2-inch with flows from 1 to 50 scfm. For high purity fluid processors, select adjustable to limit pops below 5 per year, preserving sterility in reactor safeguards.
Core frames ship within 48 hours from stock, ready for integration into safety loops. Custom set points or alloys span 3-5 weeks for calibration, fast-tracked to 7-10 days for prototype validation in R&D.
Yes, Ra 12 micro-inch machined avoids contamination per ISO 14644 Class 7 for clean pharma vessels. They handle 250+ thermal cycles without residue, with seats ensuring pops below 1 ppm oxygen in sterile environments.
Position in climate zones at 60-90°F, humidity <60%, shielded from impacts to preserve spring alignment. Oiled covers with stands permit multi-year dormancy, check calibration on reactivation to maintain accuracy within ±1%.
1/4-inch inlet on bodies: 30 ft-lbs secure, verified vibration-free at 5g for longevity. 1/2-inch up to 100 ft-lbs with crimpers, dodging leaks in sanitary by using thread sealants rated to 350°F.
Superlok operates to -200°F with yield >55 ksi for cooled lines in LNG. Impact per ASTM E23 at cryo confirms no chatter, derates under -150°F to safeguard poppet grip on chilled fluids.
Probe NFC tags for linked certs detailing hardness and tolerance post-treat. Arc PMI for to 18-20% nickel, ensuring AS9100 forging for audit-ready safety in critical systems.

Industry Leaders Using Superlok

Pressure relief valves play a critical role in industries where safety, system integrity, and overpressure protection are non-negotiable. These valves are widely used in sectors like oil and gas, chemical processing, pharmaceuticals, food and beverage, and semiconductor manufacturing any environment where maintaining controlled system pressure is vital.

Superlok’s pressure relief valves are engineered from high-grade materials such as 316 stainless steel and other corrosion-resistant alloys, ensuring long-term durability and resistance to harsh media. Their precision design enables consistent and accurate release thresholds, delivering dependable overpressure protection across a broad range of applications.

Whether it’s maintaining precise fluid control in a refinery, protecting sensitive lab instruments in biotech, or ensuring safe operation of pressure systems in processing plants, Superlok relief valves provide reliability you can count on. Their robust construction, leak-tight performance, and industry-rated pressure tolerances make them a trusted solution for mission-critical systems across the industrial spectrum.

Superlok Advantage

LARGEST INVENTORY OF PRESSURE RELIEF VALVES ALWAYS IN-STOCK

SuperlokUSA maintains one of the largest inventories of 316 stainless steel pressure relief valves in the United States, ready to ship anywhere nationwide. With a broad selection of sizes, pressure ratings, and seal materials available off the shelf, customers benefit from minimal lead times and fast order fulfillment. This ensures a major advantage over competitors like Swagelok® when uptime and system safety are on the line.
Our deep stock of corrosion-resistant alloys, precision-engineered components, and reliable sealing options allows SuperlokUSA to respond rapidly to the needs of engineers across oil and gas, chemical, and industrial pressure systems. Whether your application demands strict overpressure control or rugged field-ready performance, Superlok has the valve you need in stock and ready to ship.

Fast Delivery anywhere in the USA

Through our fast-turnaround fulfillment process and strategic logistics partnerships, SuperlokUSA offers reliable nationwide delivery with exceptional consistency. Most orders ship same-day, helping you stay on schedule and avoid costly downtime.
Our efficient supply chain also benefits from negotiated shipping rates, giving customers competitive pricing without sacrificing performance. Whether you’re maintaining clean-in-place instrumentation or replacing safety-critical valves in a refinery, SuperlokUSA ensures your relief valves arrive quickly, securely, and without inflated shipping costs setting us apart from other brands where lead times and pricing can fluctuate.