Applicable standards: Steel gate valves, API 600 / API 6D Steel gate valves, ISO 10434 / ISO 14313 Steel valves, ASME B16.34 Face to face, ASME B16.10 Flanges end, ASME B16.5 Buttwelding ends, ASME B16.25 Inspection and test, API 598 / API 6D Design description: Full port design OS& Y,outside screw and yoke BB,Bolted bonnet…