... certified,used in various pipeline systems 4way ball valve,floating type,gear operated,flanged ends,reliable quality,ISO certified,used in ... . Design & manufacture standard: API6D, API608, ANSI/ASME B16.34,MSS-SP-72,BS5351.Face to face dimensions: ANSI/ASME B16.10 ... : ANSI/ASME B16.5 for NPS24, ASME B16.47A/MSS SP-44 for NPS>24.Butt-welding end dimensions: ANSI/ASME ...