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Safety Relief Valve SVE 520 Series

Safety Relief Valves are pressure vessel protection systems designed to automatically prevent dangerous overpressure conditions. These valves provide reliable protection for equipment, personnel, and facilities by opening at predetermined pressure settings to release excess pressure safely to atmosphere or designated discharge systems.

Core Applications and Uses

  • Overpressure Protection: Safeguards pressurized systems, storage tanks, and piping networks against dangerous pressure spikes.
  • Industrial Fluid Handling: Handles vapors, gases, steam, and liquid media depending on configuration and spring calibration.
  • Boilers and Thermal Systems: Used on steam generators and high-temperature process equipment requiring reliable relief operation
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Description
Specifications
Description

The Safety Relief Valves Sve-520 series comprises spring-loaded, direct-acting full-lift angle safety valves. They protect industrial boilers, pipelines, and pressure vessels from dangerous overpressure

Design Variations & Features

  • Bonnet & Cap: Closed bonnet and closed cap configurations to prevent media leakage.
  • Options: Available with packed levers, soft seating for tight shut-off, or bellows-seated designs for balanced performance against backpressure.
  • Materials: Commonly constructed from Stainless Steel (SS 304/316) and Carbon Steel body options.
  • Applications: Widely used across chemical, petrochemical, and pharmaceutical plants

 

Specifications
Features Specifications
Size Range: 15 NB to 250 NB
Set Pressure: 0.5 bar up to 75 bar
Temperature Range: -40°C to +500°C
Design Standards: ASME Section VIII, API 520, and EN ISO 4126
Max. speed: 1 400 rpm
End Connections: Flanged (ANSI / ASA ratings) or Screwed
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