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.
Status: PublishedPublication date: 2005-07
Edition: 3Number of pages: 16
Technical Committee: ISO/TC 131/SC 5 Control products and components
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