Historical
ISO 6162:1994
Hydraulic fluid power - Four-screw split-flange connections for use at pressures of 2,5 MPa to 40 MPa (25 bar to 400 bar) - Type I metric series and type II inch series
Gives complete general and dimensional specifications. For flange connections, a minimum design factor of 2,5 is valid with screws of property class 8.8, not including weld joints, for which special instructions exist. The design factor of the flange may be increased to 3,5 or better by using flange-head screws of property class 10.9. Also includes appropriate references to the O-ring seals and their assembly components (ISO 3601-1, ISO 48, and ISO 3601-3) as well as recommended port dimensions and port design considerations.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]