ORV parts programme based on separate complete valve housings including gasket and guide ring but without thermostat. Elements available as separate code numbers. Applicable to HC, HCFC, HFC, R717 (Ammonia) and R744 (CO2). Applicable to all common refrigeration oils. Minimum operating temperature: –10°C (+14°F). Max. temperature for continuous operation: +85°C (+185°F). Max. temperature for short operating periods: +120°C (+248°F). ORV valves are designed for a max. working pressure of 40 bar g (580 psig).