Detailed Product Description Rising Stem (oribit) Ball Valve :The specification:1) Design and manufacture: API 6D/608 2) Face to face dimension: ASME B16.10, API 6D 3) End flange dimension: ASME B16.5, DlN2501, BS4504 4) Pressure-temperature rating: ASME B1 6.34 5) Inspection and test: API 598, API 6D 6) Type of operation: manual, gear, electric, pneumatic 7) Size: 2"-24" 8) Pressure: class ...