ISO 4407-2002 pdf free download.Hydraulic fluid power – Fluid contamination – Determination of particulate contamination by the counting method using an optical microscope. ISO 4407 specifies methods for determining the level of particulate contamination in liquids used in hydraulic systems by counting the number of particles deposited on the surface of a membrane filter using an optical microscope. It includes particle counting by two manual methods and image analysis, using either transmitted or incident lighting systems. Particle sizes 2 pm can be sized and counted by this method, but the resolution and accuracy of the results will depend upon the optical system used and the capabilities of the operator. All hydraulic fluids with a wide range of contamination levels can be analysed according to this International Standard. However, the counting uncertainty at the larger particle sizes increases if the volume filtered is reduced to allow smaller sized particles to be counted, where a fine precipitate or a high particle concentration is present. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However,…

BS ISO 18413:2015 pdf free.Hydraulic fluid power一 Cleanliness of components 一Inspection document and principles related to contaminant extraction and analysis, and data reporting. BS ISO 18413 specifies the content of an inspection document that specifies both the cleanliness requirement for the specified hydraulic fluid power component and the inspection method to be used for evaluating its cleanliness level. In addition, guidelines for relevant extraction methods and analysis methods are given. Determination of what constitutes as an appropriate cleanliness level requirement for any particular component is beyond the scope of this International Standard. ISO 12669 provides a method of determining the required cleanliness of a hydraulic system. ISO TR 10686 provides a method of relating the required cleanliness of components to the required cleanliness of the hydraulic system. For the purposes of this International Standard, approved functional liquids are considered to be components. This International Standard is applicable to the particulate contamination on the wetted surfaces and volumes of any hydraulic fluid power system component. Appearance defects and liquid or gaseous contamination are not covered by this International Standard. This International Standard does not address safety problems that might arise from hazardous materials, operations, and equipment associated with its use. The…

ISO 4406-2017 pdf free.Hydraulic fluid power – Fluids – Method for coding the level of contamination by solid particles. This document specifies the code to be used in delining the quantity of solid particles in the llLIi(1 used in a given hydraulic fluid power system. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements ol this document. For dated rekreiwes, oniy the ediUon cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 4407, !!draulic Jhiid power — Fluid contuminut ion — Determination vi particulate cofltuminutwn by the countinq met hod using an optical microscope ISo 11171. hydraulic fluid power — Calibration of automatic particle counters for liquids ISO 11500, Hydraulic fluid power — Determination of the particulate contamnmafion level of a liquid samnplc by automatic particle counting using the liqhtcxtinctiomi principle 3 Code definition 3.1 General The purpose of this code is to simplify the reporting of particle count data by converting the numbers of particles into broad classes or codes, where an increase in one code is generally a doubling of the contamination level. The…

AS 2671:2021 pdf free.Hydraulic fluid power一General rules and safety requirements for systems and their components (ISO 4413:2010, MOD). AS 2671 specifies general rules and safety requirements for hydraulic fluid power systems and components used on machinery as defined by ISO 12100:2010, 3.1. It deals with all significant hazards associated with hydraulic fluid power systems and specifies the principles to apply in order to avoid those hazards when the systems are put to their intended use. NOTE 1 See Clause 4 and Annex A. The significant hazard noise is incompletely dealt with in this International Standard. NOTE 2 Noise emission depends especially on the installation of hydraulic components or systems into machinery. This International Standard applies to the design, construction and modification of systems and their components, also taking into account the following aspects: a) assembly; b) installation; c) adjustment; d) uninterrupted system operation; e) ease and economy of maintenance and cleaning; f) reliable operation in all intended uses; g) energy efficiency; and h) environment. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments)…

ISO 7368-2016 pdf free .Hydraulic fluid power一Two-port slip-in cartridge valves – Cavities. This document specilies only geometrical data relating to cavities in which two-port hydraulic slip-in cartridge valves are mounted in order to ensure interchangeability. NOTE For example, this document does not specify rated pressures. It applies to cavities for two-port hydraulic slip-in cartridge valves which are generally applicable to industrial equipment. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1302, Geometrical Product Specifications (GPS) — Indication of surface texture in technical product documentation ISO 2768-1, General tolerances — Part 1: Tolerances for linear and angular dimensions without individual tolerance indications ISO 3601-2. Fluid power systems — 0-rings — Part 2: Housing dimensions for general applications ISO 4287, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 5598 apply. ISO and IEC maintain…