BS-AU-174-1-1979 ISO-4926-1978.pdf
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1、BRITISH STANDARD AUTOMOBILE SERIES BS AU 174-1:1979 ISO 4926:1978 Hydraulic brake systems, using non-petroleum base brake fluids, for road vehicles Part 1: Specification for non-petroleum base reference fluids ISO title: Road vehicles Hydraulic brake systems Non-petroleum base reference fluids UDC 6
2、29.113 592.2:620.16 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:49:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 174-1:1979 This British Standard, having been prepared under the direction of the Rubber Standards Committee in consultation with the Au
3、tomobile Standards Committee, was published under the authority of the Executive Board and comes into effect on 31 October 1979 BSI 02-2000 The following BSI references relate to the work on this standard: Committee reference RUC/40 Draft for comment 76/54519 DC1) ISBN 0 580 10872 4 1) Originally pr
4、epared under Committee reference PTC/9 National foreword This Part of this British Standard has been prepared under the direction of the Rubber Standards Committee in consultation with the Automobile Standards Committee. It is identical with ISO 4926 “Road vehicles Hydraulic brake systems Non-petrol
5、eum base reference fluids”. This is Part 1 of BS AU 174 which covers components for vehicle braking systems using non-petroleum base fluids. It is intended to issue other Parts specifying non-petroleum base brake fluid and cups, boots and seals for use in the braking system. An associated British St
6、andard will specify similar components for vehicle braking systems using petroleum base fluids. In drafting this series of British Standards full consideration has been given to the work of subcommittee TC 22/SC2 of the International Organization for Standardization (ISO). Terminology and convention
7、s. The text of the International Standard has been approved as suitable for publication, without deviation, as a British Standard. Some terminology and certain conventions are not identical with those used in British Standards; attention is especially drawn to the following. The comma has been used
8、throughout as a decimal marker. In British Standards it is current practice to use a full point on the baseline as the decimal marker. Where the words “International Standard” appear, referring to this standard, they should be read as “British Standard”. A British Standard does not purport to includ
9、e all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i
10、 and ii, pages 1 and 2 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: London Sout
11、h Bank University, London South Bank University, Sat Dec 09 01:49:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 174-1:1979 BSI 02-2000i Contents Page National forewordInside front cover 1Scope and field of application1 2ISO compatibility fluid composition1 3ISO fluid for storage corrosion test
12、2 4Availability2 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:49:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:49:58 GMT+00:00 2006, Uncontrolled Copy, (c) BS
13、I BS AU 174-1:1979 BSI 02-20001 1 Scope and field of application This International Standard specifies the composition and some characteristics of two reference fluids used for the testing of hydraulic braking systems and components mounted on road vehicles. 2 ISO compatibility fluid composition Ite
14、mConstituent Composition mass % 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Monoethyl ether of diethylene glycol Monobutyl ether of diethylene glycol Methyl ether of tripropylene glycol Polyalkylene oxide triol, kinematic viscosity 200 10 cSta at 38 C, relative density 20/20 C 1,0
15、64 Ethylene glycol Diethylene glycol Propylene glycol Methyl isobutyl carbinol Polypropylene glycol, average molecular mass 2 025 Polypropylene glycol, average molecular mass 150 Propylene glycol monoricinoleate Reacted castor oil polypropylene glycol 2-Methyl, 2,4 pentanediol Monobutyl ether 1,2 ox
16、yethylene, 1,2 oxypropylene glycols, relative density 20/20 C 1,058, kinematic viscosity 440 22 cSta at 38 C Monobutyl ether 1,2 oxyethylene, 1,2 oxypropylene glycols, relative density 20/20 C 1,038, kinematic viscosity 56,5 3 cSta at 38C Borax-ethylene glycol condensate (25 % sodium tetraborate, an
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