90.93 Standard confirmed Dec 23, 2022
ISO
ISO/TC 131/SC 5 Control products and components
International Standard
23.100.50 Control components
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WITHDRAWN
ISO 4401:1994
PUBLISHED
ISO 4401:2005
90.93
Standard confirmed
Dec 23, 2022