ISO 6162-1:2012
Действует
Hydraulic fluid power -- Flange connections with split or one-piece flange clamps and metric or inch screws -- Part 1: Flange connectors, ports and mounting surfaces for use at pressures of 3,5 MPa (35 bar) to 35 MPa (350 bar), DN 13 to DN 127
— 28 стр.