4851903 0048724 9 6547-81 6547 (ISO International Standard 5-01-0s INTERNATIONAL ORGANIZATION FOR STANDARDIZATION MEXAYHAPOAHAH OPTAHM3ALMA HO CTAHAAPTW3ALWW+ORGANISATION INTERNATIONALE DE NORMALISATION Hydraulic fluid power - Cylinders - Piston seal housings incorporating bearing rings - Dimensions and tolerances Transmissions hydrauliques -- Verins -- Logements de joints d'etancheite a bagues de guidage pour pistons -- Dimensions et tolérances First edition 1981-08-15 ISO 6547-1981 (E) UDC 621.226 : 62-762.6 Ref. No. ISO 6547-1981 (E) Descriptors : fluid power, hydraulic fluid power, hydraulic cylinders, pistons, piston rings, housings, seals (stoppers), dimensions, dimensional tolerances. Price based on 3 pages 52200 E065h 6547-81 Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards institutes (Iso member bodies). The work of developing Inter- national Standards is carried out through Iso technical committees. Every member body interested in a subjectfor which a technical committee has been set up has the right to be represented on that committee. international organizations, governmental and non-governmental, in liaison with IsO, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the Iso Council. International Standard ISO 6547 was developed by Technical Committee ISO/TC 131, Fluid power systems and components, and was circulated to the member bodies in February 1980. It has been approved by the member bodies of the following countries : Australia Finland Norway Austria France Poland Belgium Germany, F. R. Romania Hungary Brazil South Africa, Rep. of Canada India Spain China Italy Sweden Czechoslovakia Japan USA Egypt, Arab Rep. of Netherlands USSR The member body of the following country expressed disapproval of the document on technical grounds : United Kingdom InternationalOrganizationforStandardization,1981 PrintedinSwitzerland 2 9228h00 E06T59h Ta-2h59 ISO 6547-1981 (E) INTERNATIONAL STANDARD Hydraulic fluid power - Cylinders -- Piston seal housings incorporating bearing rings - Dimensions and tolerances OIntroduction Iso 4394/1, Fluid power systems and components -Cylindel barrels -- Part 1 : Requirements for steel tubes with specially In hydraulic fluid power systems, power is transmitted and finished bores. controlled through a liquid'under pressure within an enclosed circuit. Sealing devices are used to contain the pressurized fluid Iso 5597/1, Hydraulic fluid power - Cylinder rod and piston within components having elements with relative motion, for seals for reciprocating applications Dimensions and example, a linear movement within hydraulic cylinders. These tolerances of housings - Part 1 : Normal series. sealing devices are used with both cylinder rod and piston seal Iso 5598, Fluid power systems and components - Glossary.1) housings. Iso 5597/1 provides details of seal housings of a purely rectangular profile. However, where it is the practice to employ 3Definitions a design of piston-head seal that incorporates bearing rings, the profile of the housing is basically of "t" form. This For definitions of terms used, see ISO 5598. International Standard specifically relates to such applications. 4 Symbols 1 Scope and field of application Symbols used in this International Standard are as follows : 1.1 This International Standard establishes the dimensions D = outside diameter (bore diameter or rod seal groove diam- and associated tolerances for a series of housings for hydraulic eter) of the seal housing cylinder piston seals that incorporate bearing rings. S =- radial width of the seal'housing 1.2 .It specifies the dimensions for a range of seal housings for cylinders of 25 to 500 mm. d = inside diameter (rod diameter or piston seal groove diameter) of the seal housing 1.3 It is not the intention of this