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pressure relief valve

3 in-depth engineering guides on pressure relief valve — specification, selection, testing and procurement.

Everything on pressure relief valve

Vajra's engineering team has published 3 technical guides covering pressure relief valve for industrial valve selection, specification, testing and procurement. Browse the full set below.

Rupture Disc vs Pressure Relief Valve: Overpressure Protection Guide

Rupture discs and pressure relief valves both protect equipment from overpressure, but they work in fundamentally different ways. This guide compares the two devices, explains combination installations, and gives selection rules based on API 520 and API 521.

2026-07-099

API 576 Pressure Relief Valve Inspection - Frequency, Procedures & Documentation

API 576 (Inspection of Pressure-Relieving Devices) is the primary standard governing the inspection, testing, and maintenance of pressure relief valves in refinery and petrochemical service. Understanding API 576 inspection intervals and procedures is critical for HSSE compliance.

2026-05-229

Safety Valve vs Pressure Relief Valve: Differences, Standards & Selection

Safety valves and pressure relief valves are often used interchangeably, but they have distinct operating principles, certifications, and applications. This guide clarifies the differences, covers API 526 orifice sizing from D through T, compares ASME Section I boiler requirements versus Section VIII vessel requirements, and provides a systematic selection framework.

2026-05-178

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Reviewed by Engineering Editorial Team, Vajra Industrial SolutionsDiscipline: Industrial Valve Engineering ContentLast reviewed: 20 June 2026

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