... work for the user to select,the field-adjustable pressure can be manufactured in accordance with user ... different pressure medium, such as refrigerant, water, steam, compressed air, oxygen, hydraulic oil, corrosive fluid, etc. It is ... pressure medium, such as refrigerant, water, steam, compressed air, oxygen, hydraulic oil,etc. NO.NameTechnical RequirementsRemark1Working Temperatureambient temperature ...