Access Fitting Valve Core Installed in refrigeration lines to allow charging, purging, quick testing or pressure checking. Valve cores are convenient, low cost ports for refrigeration servicing. Constructed of CA-360 brass (or equivalent) body with nickel plating, PTFE and elastomer seals, and a quick seal cap. Compatible Refrigerants and Oils: Refrigerants: R12, R22, R123, R124, R134, R402, R404, R407, R410, R500, R502
Oils: * Mineral Oil * Alkyl benzene * Esters; Mobil, Castrol, etc.