UNI ISO 4411 : 2012

Name: UNI ISO 4411 : 2012
Brand: UNI

Superseded

View Superseded by

HYDRAULIC FLUID POWER - VALVES - DETERMINATION OF PRESSURE DIFFERENTIAL/FLOW CHARACTERISTICS

Superseded date

09-26-2022

Published date

01-01-2012

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Test installations
6 Test procedures
7 Identification statement (reference to
this International Standard)
Annex A (normative) - Use of practical units
Annex B (informative) - Pre-test checklist

Describes methods for determining, under steady-state conditions, the pressure differential caused by the flow through any given path in a hydraulic fluid power valve. Requirements for test installations, procedures and presentation of results are specified.

DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Superseded
SupersededBy	UNI ISO 4411:2020
Supersedes	UNI ISO 4411 : 1988

Standards	Relationship
ISO 4411:2008	Identical

ISO 10372:1992	Hydraulic fluid power — Four- and five-port servovalves — Mounting surfaces
ISO 9110-1:1990	Hydraulic fluid power Measurement techniques Part 1: General measurement principles
ISO 4401:2005	Hydraulic fluid power — Four-port directional control valves — Mounting surfaces
ISO 5598:2008	Fluid power systems and components Vocabulary
ISO 6263:2013	Hydraulic fluid power — Compensated flow-control valves — Mounting surfaces
ISO 6264:1998	Hydraulic fluid power — Pressure-relief valves — Mounting surfaces
ISO 5781:2016	Hydraulic fluid power Pressure-reducing valves, sequence valves, unloading valves, throttle valves and check valves Mounting surfaces
ISO 1219-1:2012	Fluid power systems and components — Graphical symbols and circuit diagrams — Part 1: Graphical symbols for conventional use and data-processing applications
ISO 9110-2:1990	Hydraulic fluid power Measurement techniques Part 2: Measurement of average steady-state pressure in a closed conduit