Emergency relief of excessive pressure in refrigerant- containing vessels is possible with H5600A pressure relief valve from Hansen Technologies Corp. Valve is available with 400 psig pressure setting, and matching rupture disc assemblies indicate which relief valve has discharged. Following discharge, valve will attempt to reseat to minimize refrigerant loss. Device conforms with ASME boiler and pressure vessel code requirements and connects to the vapor space of refrigerant vessels, heat exchangers, oil posts, oil stills and pilot receivers.
March/April 2001, RS# 211