DCV 1, 2 and 3 Disc Check Valves are designed to be sandwiched between flanges i.e. wafer type. They are suitable for use on a wide range of fluids for applications in process lines, hot water systems, steam and condensate systems etc. LIMITED CONDITION DCV 1 Maximum body design PN 16 PMO - Maximum operating pressure 16 barg TMO - Maximum operating temperature 2600 C. Maximum cold hydraulic test 24 barg Minimum operating temperature -500 C. DCV 2 and DCV