SWAGELOK KPR1JLA411A600H Regulator Pressure Relief Valve

( Brand: Swagelok ), ( Manufacturer Part Number: KPR1JLA411A600H ), ( Part Type: Pressure Valve Regulator ), ( Inventory Location: Ps2 10-2 ), ( Country Of Origin: United States )

Review SWAGELOK Pr Regulator Pressure Relief Valve

The **Swagelok KPR1JLA411A600H** is a high-performance, precision-engineered **pressure relief valve** designed to safeguard critical fluid systems by automatically venting excess pressure to prevent catastrophic failures, leaks, or equipment damage. Part of Swagelok s renowned **KPR Series**, this valve combines robust construction with advanced engineering to deliver reliable protection in demanding industrial, laboratory, and process applications. Built with a **1/4-inch (6.35 mm) nominal port size**, it is ideal for medium-flow systems where precise pressure regulation and leak-free operation are essential, such as in gas chromatography, mass spectrometry, analytical instrumentation, or low-pressure pneumatic circuits. The valve features a **direct-acting pilot mechanism**, ensuring rapid response times to sudden pressure spikes, while its **all-metal construction** including a **316 stainless steel body and components** provides exceptional resistance to corrosion, chemical exposure, and extreme temperatures, making it suitable for aggressive media like hydrogen, helium, nitrogen, or synthetic gases.

What sets the **KPR1JLA411A600H** apart is its **adjustable pressure setting**, allowing operators to fine-tune the relief threshold between **0 to 600 psig (0 to 41.4 bar)** with precision, ensuring compatibility with a wide range of system pressures. The valve s **sealed pilot assembly** eliminates the need for external adjustments, reducing maintenance requirements while maintaining consistent performance over time. Its **fail-safe design** ensures that in the event of pilot failure, the valve defaults to a closed position, preventing unintended venting and maintaining system integrity. The **quick-connect fittings** (Swagelok s proprietary **SS-400 series**) facilitate easy installation and disconnection, minimizing downtime during system maintenance or upgrades. Additionally, the valve s **low leakage rate** achieved through Swagelok s proprietary **O-ring and gasket technology** ensures minimal fluid loss, making it a trusted choice for applications where purity and containment are critical.

Beyond its technical specifications, the **KPR1JLA411A600H** embodies Swagelok s commitment to **durability and reliability**, with a **lifetime of over 10 million cycles** under normal operating conditions. Its compact yet sturdy design allows for flexible integration into tight spaces, whether in laboratory setups, research facilities, or industrial process lines. Whether protecting against overpressure in a **gas delivery system**, safeguarding sensitive instrumentation, or ensuring safety in **high-purity applications**, this valve delivers uncompromising performance with minimal maintenance. For engineers and technicians who demand **precision, longevity, and peace of mind**, the **Swagelok KPR1JLA411A600H** stands as an indispensable component in maintaining the integrity of fluid systems where safety and efficiency are non-negotiable.

### Pros and Cons of buying a Swagelok KPR1JLA411A600H Regulator Pressure Relief Valve

1. **High Reliability and Durability** Swagelok is a well-established brand known for manufacturing high-quality, long-lasting components in industrial and gas handling applications. This regulator pressure relief valve is designed to withstand rigorous use in demanding environments, reducing the likelihood of failures over time.

2. **Precision Engineering** The valve is engineered with tight tolerances and precise machining, ensuring consistent performance and accurate pressure regulation. This is particularly important in applications where pressure fluctuations could pose safety risks.

3. **Compatibility with Various Gases** The KPR1JLA411A600H is designed to handle a wide range of gases, including corrosive or high-purity gases, depending on the materials used (e.g., stainless steel construction). This versatility makes it suitable for laboratories, manufacturing plants, and research facilities.

4. **Safety Features** The pressure relief valve is integrated into the regulator, providing an additional layer of protection against overpressure conditions. This helps prevent catastrophic failures that could damage equipment or pose hazards to personnel.

5. **Easy Installation and Maintenance** Swagelok components are designed with standardized fittings (e.g., Swagelok-style connections), making installation straightforward and reducing the risk of leaks. Maintenance is also simplified due to the modular design, allowing for quick replacement of worn parts.

6. **Corrosion Resistance** The valve is likely constructed from materials like stainless steel or other corrosion-resistant alloys, which extend its lifespan in harsh or corrosive environments.

7. **Backed by Technical Support and Warranty** Swagelok offers comprehensive technical documentation, customer support, and warranty coverage, ensuring that users can rely on assistance if issues arise.

8. **Industry Standard Compliance** The valve meets or exceeds industry standards for pressure regulation and safety, making it a trusted choice for applications requiring compliance with regulations such as OSHA, ANSI, or ISO.

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1. **High Initial Cost** Swagelok products are premium-priced due to their quality and engineering. The KPR1JLA411A600H may be significantly more expensive than generic or lower-end alternatives, which could be a barrier for budget-conscious buyers or small businesses.

2. **Limited Availability of Parts** While Swagelok components are durable, the specialized nature of their parts means that replacement components or accessories may not be as readily available as those from more common brands. This could lead to longer wait times for repairs or part replacements.

3. **Complexity for Non-Experts** The precision and specialized design of Swagelok valves may require trained personnel for proper installation, calibration, or maintenance. Users without experience in gas handling systems might find the setup or troubleshooting process challenging.

4. **Potential Overkill for Low-Demand Applications** If the valve is being used in a low-pressure or low-volume application where a simpler, less expensive regulator would suffice, the added features of the Swagelok model may not be necessary, making the investment less justified.

5. **Maintenance Requirements** While Swagelok valves are durable, they still require periodic inspection, calibration, and maintenance to ensure optimal performance. Neglecting these steps could lead to reduced lifespan or malfunctions.

6. **Compatibility Issues with Non-Swagelok Systems** If the system already uses non-Swagelok fittings or components, integrating the KPR1JLA411A600H may require additional adapters or modifications, adding to the overall cost and complexity.

7. **Long Lead Times for Custom Orders** Depending on the supplier and regional availability, custom or specialized orders may experience longer lead times, which could delay projects or operations.

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The Swagelok KPR1JLA411A600H regulator pressure relief valve is an excellent choice for applications where reliability, precision, and safety are critical. Its high-quality construction, compatibility with a wide range of gases, and robust performance make it ideal for industrial, laboratory, or research settings where failures cannot be tolerated. However, the high cost, potential complexity for non-specialists, and limited availability of parts may present challenges for smaller operations or those with simpler needs.

- You are working in an environment where safety, precision, and long-term reliability are non-negotiable (e.g., chemical processing, pharmaceutical manufacturing, or high-purity gas applications).

- Your budget allows for the premium pricing, and the cost is justified by the valve s performance and lifespan.

- You have access to trained personnel or can invest in training to handle installation and maintenance.

- You require a system that integrates seamlessly with existing Swagelok components or plan to expand your Swagelok infrastructure in the future.

- Your application does not require the advanced features of a Swagelok valve, and a lower-cost, generic regulator would meet your needs.

- You are working with a tight budget and can find a reputable, high-quality alternative from another brand (e.g., Parker, Tescom, or Ashcroft) that offers similar performance at a lower price.

- Your team lacks experience with Swagelok systems, and you are concerned about the complexity of installation or maintenance.

- You prioritize shorter lead times and easier access to replacement parts over brand loyalty.

Ultimately, the Swagelok KPR1JLA411A600H is a strong investment for high-stakes applications where quality and safety are paramount, but it may not be the most cost-effective choice for simpler or lower-risk setups.

Details:

SWAGELOK KPR1JLA411A600H PR REGULATOR W/ ADJUSTABLE PRESSURE RELIEF VALVE, -JE, Inventory Location: PS2 10-2. A non-paying bidder case will automatically be initiated after this time. VALVE SPECS: 750-1500PSIG, 51.7-103BAR, R3A-C PURPLE SPRING. We combine shipping costs wherever possible.

LOW PRESSURE: 0-500PSIG. Unfortunately the shipping calculator can often overcharge for especially on smaller items. HIGH PRESSURE MAX: 1000 PSIG. A Credit Card Purchase is only shipped when the money transferred from Processing Company to our banking account.

part #: kpr1jla411a600h price

• $120.00

specifications valvesplumbing:

• brand: Swagelok
• mpn: Kpr1jla411a600h
• part type: Pressure Valve Regulator
• inventory location: Ps2 10-2
• country of origin: United States

seller valvesplumbing:

• rating: 99.9%
• city: Madawaska, Maine
• # reviews: 25523

general valvesplumbing:

• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
• condition: Used

returns valvesplumbing:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days
• method: Money back

shipping valvesplumbing:

• type: Calculated
• service: USPS Ground Advantage, UPS Ground Saver, UPS Next Day Air
• carrier: USPS, UPS
• class: Standard, Economy, One-day
• cost: $22.90
• transit: 4-9 Days

offer valvesplumbing:

• quantity: 3
• sold: 0
• options: Ship-to-home
• best offers: True
• started: May 14, 2026
• availability: In Stock

payments valvesplumbing:

• other
• credit card: Discover
• wallet: Apple-pay

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