PRD = Pressure Relief Solutions & Services

The following contains common and standardized terminology related to pressure relief devices and is in accordance with, and adapted from, ANSI/ASME Performance Test Code PTC-25.3-1988, Appendix I and other accepted practices.

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Terminology for Pressure Relief Devices

A. General

B. Types of Devices

C. Parts of Pressure Relief Devices

D. Pressure Relief Valve Dimensional Characteristics

E. Operational Characteristics of Pressure Relief Devices


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The information, specifications and technical data contained on this website are subject to change without notice. The materials are provided for reference only. PRD Technologies Inc. and  or the companies which PRD Technologies represents do not warrant that the Specifications are current and assumes no responsibility for the use or misuse thereof. The Purchaser should verify that there have been no changes to the Specifications prior to use.