This standard specifies the classification, technical requirements, inspection rules, marking, packaging, transportation and storage of static mixers. This standard is applicable to mixers with nominal pipe diameters DN of 10 to 1000 mm and nominal pressures PN of 0.25, 0.6, 1.0, 1.6, 2.5, 4.0, 6.4, 10.0, 16.0 MPa.