Gas filtration & Purification - Pall Corporation. Operating Conditions. Maximum Operating Pressure: 2200 psig / 152 bar; Maximum operating temperature: 100 °C / 212 °F (INP, SIP, FCP, SF6P) 40 °C / 104 °F (GEH4P, OXP, CLXP, HCLP, HBRP, CDAP) EU Pressure Equipment Directive: Assemblies have been evaluated and are CE marked per the European Union's Pressure Equipment Directive 2014/68/EU.