Recommendations to Mitigate Hazards from Small Pressure Relief Valves that Fail to Open at Set Pressure (Cracking Pressures Less Than 100 psig)

Published by	Publication Date	Number of Pages
CGA	02/16/2005	3

Category: CGA

Description

CGA TB-24 (R2010) – Recommendations to Mitigate Hazards from Small Pressure Relief Valves that Fail to Open at Set Pressure (Cracking Pressures Less Than 100 psig)

This technical bulletin describes the tendency for small spring-loaded PRVs commonly used in piping systems to not operate uniformly in the prescribed relief range due to cold vulcanization. It also offers recommendations to mitigate this phenomenon. It does not provide information on specific instances of failure or specific acceptable or unacceptable pressure relief products.