KS C IEC 61518-2014(2019) Mating dimensions between differential pressure (type) measuring instruments and flanged-on shut-off devices up to 413 bar (41.3 MPa)
2014KS C IEC 61518:2014 Mating dimensions between differential pressure (type) measuring instruments and flanged-on shut-off devices up to 413 bar (41.3 MPa)