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SWGLK 'R3A' RELIEF VLV 1/4"...

Swagelok IS-SS-4R3A5-A – High-Pressure Proportional Relief Valve, 316 Stainless Steel

Engineered for precision and safety, the Swagelok IS-SS-4R3A5-A is a high-performance proportional relief valve designed to protect critical systems from overpressure. Built with a durable 316 stainless steel body and high-quality internal components, this valve ensures reliable operation in demanding fluid and gas applications.

Ideal for instrumentation, analytical systems, and process control, the IS-SS-4R3A5-A provides adjustable pressure relief with excellent repeatability and leak-tight performance. It features a compact design that allows for easy integration into tight system layouts without compromising flow capacity or safety.

Key Features:

  • Robust Construction: 316 stainless steel body ensures long-term corrosion resistance
  • Connection Type: 1/4 in. Male NPT inlet x 1/4 in. Female NPT outlet
  • Pressure Rating: Up to 6,000 psig (413 bar)
  • Temperature Rating: Up to 250°F (121°C)
  • Seal Material: Fluorocarbon FKM (other options available)
  • Adjustable Set Pressure: Easily fine-tuned without disassembling the valve
  • Compact Design: Ideal for space-constrained applications
  • Cleaning Standard: SC-10 cleaned for high-purity service

Applications:

  • Analytical and laboratory systems
  • Chemical and petrochemical processing
  • Research and development setups
  • Pressure-sensitive gas or liquid circuits

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