1、BRITISH STANDARD BS6130-1: 1993 Hose and hose assemblies for asphalt and bitumen Part 1: Specification for flexible metallic hose and hose assemblies UDC621.643.3.034:665.637.8BS6130-1:1993 This British Standard, having been prepared under the directionof the Piping Systems Components Standards Poli
2、cy Committee, was published underthe authority of the Standards Board and comes intoeffect on 15 December1993 BSI08-1999 First published September1981 Second edition December1993 The following BSI references relate to the work on this standard: Committee reference PSE/12 Draft for comment92/78074 DC
3、 ISBN 0 580 22416 3 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Piping Systems Components Standards Policy Committee (PSE/-) to Technical Committee PSE/12, upon which the following bodies were represented: British Compressed Gases As
4、sociation British Gas plc British Rubber Manufacturers Association Ltd. Electricity Association Energy Industries Council Engineering Equipment and Materials Users Association LP Gas Association Ministry of Defence Petrol Pump Manufacturers Association United Kingdom Petroleum Industry Association L
5、td. Amendments issued since publication Amd. No. Date CommentsBS6130-1:1993 BSI 08-1999 i Contents Page Committees responsible Inside front cover Foreword ii 1 Scope 1 2 References 1 3 Definitions 1 4 Construction and temperature limits 2 5 Pressure ratings at working temperature 2 6 Nominal sizes 2
6、 7 Length 2 8 Materials 2 9 Construction 3 10 Method of assembly 3 11 Welding of type B hose assemblies 5 12 Type approval tests 5 13 Production pressure test 7 14 Test certificate 7 15 Marking 7 Annex A (informative) Information to be supplied by the purchaser 8 Figure 1 Construction details for ty
7、pe A hose 3 Figure 2 Details of butt-welded and edge-welded hose joints for type B hose 3 Figure 3 Typical screwed, packed and locked end fitting for type A hose 4 Figure 4 Welding of end fitting, ferrule and braid to hose 4 Figure 5 Fatigue test for type B hose assemblies 6 Table 1 Pressure ratings
8、 and classification 2 Table 2 Nominal sizes 2 Table 3 Minimum bend radii 2 Table 4 Test pressures 5 Table 5 Fatigue test for type B hose assemblies 6 List of references Inside back coverBS6130-1:1993 ii BSI 08-1999 Foreword This Part of BS6130 has been prepared under the direction of the Piping Syst
9、ems Components Standards Policy Committee. It supersedes BS6130:1981, which is withdrawn. It is one of a series concerned with hose and hose assemblies for conveying petroleum products. It specifies requirements for ensuring the integrity and standardization of two types of metallic hose and hose as
10、sembly for conveying asphalt and bitumen, which are hazardous materials at temperatures where they can flow readily. Corrugated hose with a temperature limit of400 C has been introduced with details on construction, manufacture and testing. It is envisaged that rubber hose and hose assemblies will b
11、e specified in BS6130-2. Asbestos has been specified for the strip wound hose constructions covered by this Part of BS6130 as the only packing material that can meet the duty required although other alternative materials are being considered. The manufacture of all asbestos-based products is covered
12、 by the requirements of the control of Asbestos at Work Regulations1987, introduced on1 March1988. These set out comprehensive provisions covering work activities involving exposure to asbestos. Advice on how to comply with these regulations can be obtained from the manufacturers of the material, fr
13、om the Asbestos Information Centre, Derby Road, Widnes, Cheshire WH89ND, from the local area office of the Health and Safety Executive or from the Environmental Health Department of the Local Authority. Particular note has to be taken of the Asbestos Products (Safety) Regulations1985, made under the
14、 Consumer Safety Act1978 and of the Asbestos (Prohibitions) Regulations1988 made under the Health and Safety at Work etc. Act1974, which prohibit the supply of products containing amosite or crocidolite and set out requirements for the labelling of all products containing asbestos. All the above leg
15、islation implements European Directives. Product certification. Users of this British Standard are advised to consider the desirability of third party certification of product conformity with this British Standard based on testing and continuing product surveillance which may be coupled with assessm
16、ent of a suppliers quality systems against the appropriate Part of BS5750. Enquiries as to the availability of third party certification schemes are forwarded by BSI to the Association of Certification Bodies. If a third party certification scheme does not already exist, users should consider approa
17、ching an appropriate body from the list of Association members. A British Standard does not purport to include 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 f
18、rom legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 to8, an inside back cover 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
19、 table on the inside front cover.BS6130-1:1993 BSI 08-1999 1 1 Scope This Part of BS6130 specifies requirements for the design, manufacture, performance, testing and marking of two basic types of metallic hose and hose assembly for dockside, road and rail loading and unloading of asphalt and bitumen
20、. The standard covers nominal sizes DN80 to DN250 with working pressures of5 bar and12 bar. 1) NOTEThis standard allows a number of options. Therefore, to assist the purchaser, a checklist of the options, together with the other information to be supplied in the enquiry and order is given inAnnex A.
21、 2 References 2.1 Normative references This Part of BS6130 incorporates, by reference, provisions from specific editions of other publications. These normative references are cited at the appropriate points in the text and the publications are listed on the inside back cover. Subsequent amendments t
22、o, or revisions of, any of these publications apply to this Part of BS6130 only when incorporated in it by updating or revision. 2.2 Informative references This Part of BS6130 refers to other publications that provide information or guidance. Editions of these publications current at the time of iss
23、ue of this standard are listed on the inside back cover, but reference should be made to the latest editions. 3 Definitions For the purposes of this Part of BS6130, the following definitions apply. 3.1 tube plain cylindrical uncorrugated material which may be processed during manufacture to become h
24、ose 3.2 hose flexible leak-tight metal element of an assembly without fittings or covering 3.3 braid layer (or layers) of cylindrically woven wires covering the hose and attached to the hose ends and fittings, restraining the hose against elongation 3.4 hose assembly hose with end fittings attached,
25、 complete with braid and/or other covering, if required, ready for service 3.5 corrugated flexible metallic hose pressure-tight hose made from tube with annular corrugations made by deforming the metal 3.6 strip wound flexible metallic hose pressure-tight hose made from helically wound preformed str
26、ip generally with right-hand lead, whose turns, incorporating a packing, are connected together by double overlapping 3.7 ferrule metal sleeve used on corrugated hose assemblies to restrict the bending of the corrugations affected by heat during the attachment of end fittings 3.8 external sleeve/pro
27、tection coil device used to provide protection to the external surface of the hose against mechanical damage and/or against corrosion from the external environment 3.9 packed fitting leak-proof end fitting that is screwed on to the tube and packed, then locked by means of a back nut 3.10 design pres
28、sure maximum pressure at which a hose assembly is designed to be serviceable 3.11 maximum operating temperature highest temperature to which the hose will be subjected NOTEThe maximum operating temperature includes adequate margins to cover uncertainties in service conditions. 3.12 burst pressure pr
29、essure at which any part of the hose assembly fails 3.13 cyclic life minimum number of complete cycles which, at the test conditions, the hose is designed to withstand without failure 3.14 bend radius radius of a bend measured to the hose centre line 1) 10 bar = 1 MPa = 1 10 6 N/m 2 .BS6130-1:1993 2
30、 BSI 08-1999 4 Construction and temperature limits 4.1 The types of hose and hose assembly and their upper temperature limits shall be as follows. Type A. Strip wound, for use up to300 C; Type B. Corrugated, covered by stainless steel braid with carbon steel or stainless steel end fittings for use u
31、p to400 C. 4.2 Where ambient temperatures fall below 20 C a stainless steel hose assembly shall be used. 5 Pressure ratings at working temperature The pressure ratings shall conform to those given inTable 1. The types of hose and hose assembly specified shall be classified in accordance withTable 1.
32、 Table 1 Pressure ratings and classification 6 Nominal sizes The nominal sizes of hose and hose assemblies shall conform to those given inTable 2. Table 2 Nominal sizes 7 Length 7.1 Measurement of length Hose assembly lengths shall be measured from face to face of the flanges. NOTENormal maximum hos
33、e lengths are15m for sizes up to and including DN200 and11m for size DN250. 7.2 Tolerance on length 7.2.1 Type A hose assemblies shall have a tolerance on length of +5%, 1% when measured in mid-extension i.e. halfway between the fully compressed and fully extended positions. 7.2.2 Type B shall have
34、a tolerance on length of+3%, 0%. 8 Materials 8.1 Type A hose Type A hose shall be made from deep drawn carbon steel strip conforming to BS1449-1, grade3, condition CS and subsequently galvanized or from stainless steel conforming to BS1449-2:1983, grade304S16 or316S11. 8.2 End fittings for type A ho
35、se assemblies Type A hose assemblies shall have flanged end fittings made from one or more of the following materials: a) carbon steel conforming to BS EN10083-1:1991,2 C22; b) stainless steel conforming to BS1449-2:1983, grade304S15; c) copper alloy conforming to BS1400:1985, designation G1 or LG4.
36、 The end fitting shall incorporate an asbestos packing. WARNING. Materials containing asbestos are subject to legislation that requires precautions to be taken when handling them to ensure that they do not constitute a hazard to health (see foreword). 8.3 Type B hose 8.3.1 Hose material Type B hose
37、shall be made from austenitic stainless steel to BS1449-2:1983, grade304S11,321S31 or316S11. 8.3.2 Braid material Braid shall be made from fully annealed austenitic stainless steel wire conforming to BS1554:1990, designation316S19,321S31 or304S31 (0.045% carbon max.) 8.3.3 External protection The ho
38、se braid shall be protected by a stainless steel coil along the full length of the assembly and welded to the fitting. When the hose is bent to the minimum bend radius given inTable 3 the coil dimensions and pitch length of the coil shall be such that the hose is protected against abrasion when layi
39、ng on a flat surface. Table 3 Minimum bend radii Class and duty Maximum aworking pressure Bar b Class 1 (dockside) 12 Class 2 (road and rail) 5 a The working pressures specified in this table include an allowance for surge pressure. b 10 bar = 1 MPa = 1 10 6 N/m 2 . Class Nominal size DN 1 80 100 15
40、0 200 250 2 80 100 150 NOTEDN is defined in ISO6708. Nominal size of hose DN Type A Type B Class 1 Class 2 Class 1 and 2 mm mm mm 80 650 590 450 100 820 660 560 150 1250 1070 815 200 1600 1015 250 2000 1220BS6130-1:1993 BSI 08-1999 3 8.4 End fittings for Type B hose assemblies Type B hose assemblies
41、 shall have carbon steel or stainless steel flanged end fittings. The grade of material to be used shall be: a) carbon steel conforming to BS EN10083-1:1991, 2C22; or b) stainless steel conforming to BS970-1:1991,316S11 or321S31. 8.5 External insulation When specified by the purchaser, external insu
42、lation shall be fitted to assist operator handling (seeAnnex A). 9 Construction 9.1 Type A hose manufacturing method Type A hose shall be of a double overlap, interlocking packed construction (seeFigure 1). Hose shall be packed with asbestos. WARNING. Materials containing asbestos are subject to leg
43、islation that requires precautions to be taken when handling them to ensure that they do not constitute a hazard to health (see foreword). NOTEType A hose assemblies may have their ends reinforced by the fitting of a larger size of interlocking hose. 9.2 Type B hose manufacturing method 9.2.1 Hose T
44、ype B hose shall be of single ply construction and shall be manufactured from: a) seamless tube; or b) single longitudinally butt-welded tube. Transverse joining of strip or circumferential joining of tube prior to corrugating shall not be permitted. The corrugations shall be annular and of uniform
45、height and pitch and continuous along the length of the hose. 9.2.2 Joints Where a manufacturer joins lengths of hose prior to braiding, such joints shall be either butt-welded or edge-welded as shown inFigure 2. All the tests described in clauses12 and13 shall be carried out on hose incorporating s
46、uch a joint. 9.2.3 Braid The hose shall be closely covered by wire either machine woven around the hose or fitted by hand as a stocking. Braid wires shall be continuous. Joints in braid wires shall only be made in individual wires and shall be welded or brazed. The jointing operation shall not resul
47、t in sharp edges or projections. 9.2.4 Ferrules Ferrules shall be fitted to support the length of hose affected by the welding of the end fitting. The minimum ferrule length shall be40mm or the length of three corrugations, whichever is the greater. 10 Method of assembly 10.1 Type A hose assemblies
48、Type A hose shall have the end fitting screwed to the outside of the hose packed and locked without the application of torque to the hose (seeFigure 3). NOTEA typical screwed, packed and locked fitting is shown inFigure 3. Figure 1 Construction details for type A hose Figure 2 Details of butt-welded
49、 and edge-welded hose joints for type B hoseBS6130-1:1993 4 BSI 08-1999 10.2 Type B hose assemblies Type B hose shall be assembled by one of the following methods: Method 1. The braid shall be passed through a ferrule and shall be welded to the end of the corrugated hose and to the ferrule so that the braid wires are bonded securely. The end fitting shall then be introduced and welded to the hose by a second weld. Surface oxidation of the first weld shall be removed prior to commencement of the second weld seeFigure 4(a). Metho
