Lays down the port dimensions for cylinders as required for interchangeability of commonly used hydraulic cylinders. The table contains the bore sizes as follows: 50, 63, 80, 100, 125, 160, 200, 250, 320, 400, 500 mm; and for square and rectangular flanges the nominal flange sizes (DN): 13, 19, 25, 32, 38 mm.
BS ISO 8137:1997 history
1997BS ISO 8137:1997 Hydraulic fluid power - Single rod cylinders, 250 bar (25 MPa) series - Port dimensions
1997BS ISO 8137:1986 Hydraulic fluid power. Single rod cylinders, 250 bar (25 MPa) series. Port dimensions