1、 ISO 2017 Rubber hoses and hose assemblies Rubber-covered spiral-wire- reinforced hydraulic types for oil-based or water-based fluids Specification Tuyaux et flexibles en caoutchouc Types hydrauliques avec armature hlicodale de fils mtalliques pour fluides base dhuile ou base deau Spcifications INTE
2、RNATIONAL STANDARD ISO 3862 Fourth edition 2017-07 Reference number ISO 3862:2017(E) ISO 3862:2017(E)ii ISO 2017 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utili
3、zed otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyrigh
4、t office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO 3862:2017(E)Foreword iv 1 Scope . 1 2 Normative references 1 3 Terms and definitions . 2 4 Classification 2 5 Materials and construction . 2 5.1 Hoses
5、. 2 5.2 Hose assemblies . 2 6 Dimensions . 2 6.1 Hose diameters and hose concentricity 2 6.2 Length . 5 7 Performance requirements . 5 7.1 General . 5 7.2 Hydrostatic requirements . 5 7.3 Minimum bend radius 6 7.4 Resistance to impulse 7 7.4.1 Resistance to impulse with oil-based fluid 7 7.4.2 Resis
6、tance to impulse with water-based fluid . 7 7.4.3 Optional impulse test . 8 7.5 Leakage of hose assemblies . 8 7.6 Cold flexibility 8 7.7 Adhesion between components . 8 7.8 Fluid resistance 8 7.8.1 General 8 7.8.2 Oil resistance . 8 7.8.3 Water resistance . 9 7.9 Ozone resistance 9 7.10 Visual exam
7、ination 9 8 Marking 9 8.1 Hoses . 9 8.2 Hose assemblies . 9 Annex A (normative) Type and routine testing of production hoses 11 Annex B (informative) Production acceptance testing .12 Annex C (informative) Recommendations for lengths of supplied hoses and tolerances on lengths of hose assemblies 13
8、ISO 2017 All rights reserved iii Contents Page ISO 3862:2017(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical co
9、mmittees. Each member body interested in a subject for which a technical committee has been established 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. ISO collaborates closely with th
10、e International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for
11、the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent righ
12、ts. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents). Any trade name used in
13、this document is information given for the convenience of users and does not constitute an endorsement. For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the Worl
14、d Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: w w w . i s o .org/ iso/ foreword .html. This document was prepared by Technical Committee ISO/TC 45, Rubber and rubber products, Subcommittee SC 1, Rubber and plastics hoses and hose assemblies. Th
15、is fourth edition cancels and replaces the third edition (ISO 3862:2009), which has been technically revised. The main changes compared to the previous edition are as follows: Clause 1 has been updated to be more precise; Clause 2 has been updated: ISO 4672 has been deleted and replaced by ISO 10619
16、-2, and ISO 10619-1 has been added; 8.1 has been revised: year of publication of a standard shall be included in the marking if previous edition is used.iv ISO 2017 All rights reserved INTERNATIONAL ST ANDARD ISO 3862:2017(E) Rubber hoses and hose assemblies Rubber-covered spiral-wire-reinforced hyd
17、raulic types for oil-based or water-based fluids Specification 1 Scope This document specifies requirements for five types of spiral-wire-reinforced hydraulic hose and hose assembly of nominal size from 6,3 to 51. They are suitable for use with: oil-based hydraulic fluids HH, HL, HM, HR and HV as de
18、fined in ISO 6743-4 at temperatures ranging from 40 C to +100 C; water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743-4 at temperatures ranging from 0 C to +60 C; water at temperatures ranging from 0 C to +60 C. This document does not include requirements for end fittings. It is limited
19、 to requirements for hoses and hose assemblies. NOTE It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used. 2 Normative references The following documents are referred to in the text in such a way that s
20、ome 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 1307, Rubber and plastics hoses Hose sizes, minimum and maximum i
21、nside diameters, and tolerances on cut-to-length hoses ISO 1402, Rubber and plastics hoses and hose assemblies Hydrostatic testing ISO 1817, Rubber, vulcanized or thermoplastic Determination of the effect of liquids ISO 4671, Rubber and plastics hoses and hose assemblies Methods of measurement of th
22、e dimensions of hoses and the lengths of hose assemblies ISO 6605, Hydraulic fluid power Hoses and hose assemblies Test methods ISO 6743-4, Lubricants, industrial oils and related products (class L) Classification Part 4: Family H (Hydraulic systems) ISO 6803, Rubber or plastics hoses and hose assem
23、blies Hydraulic-pressure impulse test without flexing ISO 7326:2016, Rubber and plastics hoses Assessment of ozone resistance under static conditions ISO 8033:2016, Rubber and plastics hoses Determination of adhesion between components ISO 8330, Rubber and plastics hoses and hose assemblies Vocabula
24、ry ISO 10619-1:2011, Rubber and plastics hoses and tubing Measurement of flexibility and stiffness Part 1: Bending tests at ambient temperature ISO 2017 All rights reserved 1 ISO 3862:2017(E) ISO 10619-2:2011, Rubber and plastics hoses and tubing Measurement of flexibility and stiffness Part 2: Bend
25、ing tests at sub-ambient temperatures 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 8330 apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at h t t p :/ www .elec
26、tropedia .org/ ISO Online browsing platform: available at h t t p :/ www .iso .org/ obp 4 Classification Five types of hose are specified, distinguished by their construction, working pressure and oil resistance: Type 4SP: medium-pressure hoses with four plies of steel wire spiral. Type 4SH: high-pr
27、essure hoses with four plies of steel wire spiral. Type R12: heavy-duty high-temperature hoses with a medium-pressure rating having four plies of steel wire spiral. Type R13: heavy-duty high-temperature hoses with a high-pressure rating having a multiple-steel- wire spiral. Type R15: heavy-duty high
28、-temperature hoses with an extra-high-pressure rating having a multiple- steel-wire spiral. 5 Materials and construction 5.1 Hoses Hoses shall consist of a rubber lining resistant to oil- or water-based hydraulic fluids, spiral plies of steel wire wrapped in alternating directions, and an oil- and w
29、eather-resistant rubber cover. Each spiral wire ply shall be separated by an insulating layer. 5.2 Hose assemblies Hose assemblies shall be manufactured using hoses conforming to the requirements of this document. Hose assemblies shall be manufactured only with those hose fittings whose correct func
30、tioning has been verified in accordance with 7.2, 7.4, 7.5 and 7.6. The manufacturers instructions shall be followed for the preparation and fabrication of hose assemblies. 6 Dimensions 6.1 Hose diameters and hose concentricity When measured in accordance with ISO 4671, the inside diameter of hoses
31、shall conform to the values given in Table 1. When measured in accordance with ISO 4671, the diameter over reinforcement and outside diameter of hoses shall conform to the values given in Table 2.2 ISO 2017 All rights reserved ISO 3862:2017(E) When measured in accordance with ISO 4671, the concentri
32、city of hoses shall conform to the values given in Table 3. Table 1 Inside diameters of hoses Nominal size Inside diameter mm Type 4SP Type 4SH Type R12 Type R13 Type R15 min. max. min. max. min. max. min. max. min. max. 6,3 10 12,5 16 19 25 31,5 38 51 6,2 9,3 12,3 15,5 18,6 25,0 31,4 37,7 50,4 7,0
33、10,1 13,5 16,7 19,8 26,4 33,0 39,3 52,0 18,6 25,0 31,4 37,7 50,4 19,8 26,4 33,0 39,3 52,0 9,3 12,3 15,5 18,6 25,0 31,4 37,7 50,4 10,1 13,5 16,7 19,8 26,4 33,0 39,3 52,0 18,6 25,0 31,4 37,7 50,4 19,8 26,4 33,0 39,3 52,0 9,3 12,3 18,6 25,0 31,4 37,7 50,4 10,1 13,5 19,8 26,4 33,0 39,3 52,0 ISO 2017 All
34、 rights reserved 3 ISO 3862:2017(E)Table 2 Dimensions of hoses Nominal size a Type 4SP Type 4SH Type R12 Type R13 Type R15 Diameter over outside reinforcement Outside diameter of hose Diameter over outside reinforcement Outside diameter of hose Diameter over outside reinforcement Outside diameter of
35、 hose Diameter over outside reinforcement Outside diameter of hose Diameter over outside reinforcement Outside diameter of hose mm mm mm mm mm mm mm mm mm mm min. max. min. max. min. max. min. max. min. max. min. max. min. max. min. max. min. max. min. max. 6,3 10 12,5 16 19 25 31,5 38 51 14,1 16,9
36、19,4 23,0 27,4 34,5 45,0 51,4 64,3 15,3 18,1 21,0 24,6 29,0 36,1 47,0 53,4 66,3 17,1 20,6 23,8 27,4 31,4 38,5 49,2 55,6 68,2 18,7 22,2 25,4 29,0 33,0 40,9 52,4 58,8 71,4 27,6 34,4 40,9 47, 8 62,2 29,2 36,0 42,9 49,8 64,2 31,4 37, 5 43,9 51,9 66,5 33,0 39,9 47,1 55,1 69,7 16,6 19,9 23,8 26,9 34,1 42,
37、7 49,2 62,5 17, 8 21,5 25,4 28,7 36,0 45,1 51,6 64,8 19,5 23,0 26,6 29,9 36,8 45,4 51,9 65,1 21,0 24,6 28,2 31,7 39,4 48,6 55,0 68,3 28,2 34,9 45,6 53,1 66,9 29,8 36,4 48,0 55,5 69,3 31,0 37,6 48,3 55,8 69,5 33,2 39,8 51,3 58,8 72,7 20,3 24,0 32,9 38,9 48,4 56,3 71,0 23,3 26,8 36,1 42,9 51,5 59,6 74
38、,0 aThe nominal sizes correspond to those given in ISO 1307. 4 ISO 2017 All rights reserved ISO 3862:2017(E) Table 3 Concentricity of hoses Nominal size Maximum variation in wall thickness mm Between inside diameter and outside diameter Between inside diameter and reinforcement diameter 6,3 0,8 0,5
39、Over 6,3 and up to and including 19 1,0 0,7 Over 19 1,3 0,9 6.2 Length The length of supplied hoses and hose assemblies shall be the subject of agreement between the manufacturer and the purchaser. NOTE Recommendations for supplied lengths of hoses and hose assemblies are given in Annex C. 7 Perform
40、ance requirements 7.1 General The requirements for type and routine testing are given in Annex A and recommendations for production acceptance testing in Annex B. 7.2 Hydrostatic requirements When tested in accordance with ISO 1402 or ISO 6605 at the relevant proof pressure given in Table 4 and the
41、relevant minimum burst pressure given in Table 5, the hoses and hose assemblies shall not leak. When determined in accordance with ISO 1402 or ISO 6605, the change in length of hoses at the maximum working pressure (see Table 6) shall not exceed +2 % or 4 % for types 4SP and 4SH, or +2 % or 2 % for
42、types R12, R13 and R15. Table 4 Proof pressure Nominal size Type 4SP 4SH R12 R13 R15 MPa (bar) MPa (bar) MPa (bar) MPa (bar) MPa (bar) 6,3 90,0 (900) 10 89,0 (890) 56,0 (560) 84,0 (840) 12,5 83,0 (830) 56,0 (560) 84,0 (840) 16 70,0 (700) 56,0 (560) 19 70,0 (700) 84,0 (840) 56,0 (560) 70,0 (700) 84,0
43、 (840) 25 56,0 (560) 76,0 (760) 56,0 (560) 70,0 (700) 84,0 (840) 31,5 42,0 (420) 65,0 (650) 42,0 (420) 70,0 (700) 84,0 (840) 38 37,0 (370) 58,0 (580) 35,0 (350) 70,0 (700) 84,0 (840) 51 33,0 (330) 50,0 (500) 35,0 (350) 70,0 (700) 84,0 (840) ISO 2017 All rights reserved 5 ISO 3862:2017(E) Table 5 Min
44、imum burst pressure Nominal size Type 4SP 4SH R12 R13 R15 MPa (bar) MPa (bar) MPa (bar) MPa (bar) MPa (bar) 6,3 180,0 (1 800) 10 178,0 (1 780) 112,0 (1 120) 168,0 (1 680) 12,5 166,0 (1 660) 112,0 (1 120) 168,0 (1 680) 16 140,0 (1 400) 112,0 (1 120) 19 140,0 (1 400) 168,0 (1 680) 112,0 (1 120) 140,0
45、(1 400) 168,0 (1 680) 25 112,0 (1 120) 152,0 (1 520) 112,0 (1 120) 140,0 (1 400) 168,0 (1 680) 31,5 84,0 (840) 130,0 (1 300) 84,0 (840) 140,0 (1 400) 168,0 (1 680) 38 74,0 (740) 116,0 (1 160) 70,0 (700) 140,0 (1 400) 168,0 (1 680) 51 66,0 (660) 100,0 (1 000) 70,0 (700) 140,0 (1 400) 168,0 (1 680) Ta
46、ble 6 Maximum working pressure Nominal size Type 4SP 4SH R12 R13 R15 MPa (bar) MPa (bar) MPa (bar) MPa (bar) MPa (bar) 6,3 45,0 (450) 10 44,5 (445) 28,0 (280) 42,0 (420) 12,5 41,5 (415) 28,0 (280) 42,0 (420) 16 35,0 (350) 28,0 (280) 19 35,0 (350) 42,0 (420) 28,0 (280) 35,0 (350) 42,0 (420) 25 28,0 (
47、280) 38,0 (380) 28,0 (280) 35,0 (350) 42,0 (420) 31,5 21,0 (210) 32,5 (325) 21,0 (210) 35,0 (350) 42,0 (420) 38 18,5 (185) 29,0 (290) 17,5 (175) 35,0 (350) 42,0 (420) 51 16,5 (165) 25,0 (250) 17,5 (175) 35,0 (350) 42,0 (420) 7.3 Minimum bend radius Use a test piece having a length at least four time
48、s the minimum bend radius. Measure the hose outside diameter with callipers in the straight-lay position before bending the hose. Bend the hose through 180 to the minimum bend radius (see Table 7) and measure the flatness with the callipers. When bent to the minimum bend radius given in Table 7, measured in accordance with method A1 of ISO 10619-1:2011, the hose shall conform, in the bent state, to the impulse and cold flexibility requirements of 7.4 and 7.6.6 ISO 2017 All rights reserved ISO 3862:2017(E) Table 7 Minimu
