ISO 4401:2005 PDF

Scope: This International Standard 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.

ISO 4401:2005 Referenced Document

ISO 1101 Geometrical product specifications (GPS) - Geometrical tolerancing - Tolerances of form, orientation, location and run-out*， 2017-02-01 Update
ISO 1302 Geometrical Product Specifications (GPS) — Indication of surface texture in technical product documentation — Amendment 2: Indication of material ratio requirements
ISO 286-2 Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes - Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts; Technical Corrigendum 1*， 2013-08-01 Update
ISO 4287 Geometrical product specifications (GPS) — Surface finish: Profile method — Surface finish terms, definitions and parameters — Amendment 2: .
ISO 5598 Fluid power systems and components — Vocabulary*， 2020-01-06 Update
ISO 5783 Hydraulic fluid power — Code for identification of valve mounting surfaces and cartridge valve cavities*， 2019-07-30 Update

2005 ISO 4401:2005 Hydraulic fluid power - Four-port directional control valves - Mounting surfaces
1994 ISO 4401:1994 Hydraulic fluid power - Four-port directional control valves - Mounting surfaces
1980 ISO 4401:1980 Hyraulic fluid power; Four-port directional control valves; Mounting surfaces