Published
ISO 4401:2005 specifies the dimensions and other data relating to surfaces on which four-port hydraulic directional control valves are mounted in order to ensure their interchangeability.
It applies to mounting surfaces for four-port hydraulic directional control valves which represent current practice. They are generally applicable to industrial equipment.
WITHDRAWN
SRPS ISO 4401:1993
PUBLISHED
SRPS ISO 4401:2024
90.93
Standard confirmed
Dec 23, 2022