1、BRITISH STANDARD BS6340-4: 1984 Shower units Part 4: Specification for shower heads and related equipment UDC 696.144.2BS6340-4:1984 This British Standard, having been prepared under the directionof the Building ServicesStandards Committee,was published underthe authority of the BoardofBSI and comes
2、 into effect on 31 January1984 BSI10-1999 The following BSI references relate to the work on this standard: Committee reference SEB/37 Draft for comment83/12310DC ISBN 0 580 13683 3 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Buildin
3、g Services Standards Committee (SEB/-) to Technical CommitteeSEB/37 upon which the following bodies were represented: Association of Manufacturers of Domestic Electrical Appliances Association of Manufacturers of Domestic Unvented Supply Systems Equipment British Bath Manufacturers Association Briti
4、sh Ceramic Tile Council British Gas Corporation British Plastics Federation Chartered Institution of Building Services Consumer Standards Advisory Committee of BSI Consumers Association Council of British Ceramic Sanitaryware Manufacturers Department of Health and Social Security Department of the E
5、nvironment (Building Research Establishment) Department of the Environment (Property Services Agency) Disabled Living Foundation Flat Glass Manufacturers Association Institute of Plumbing Institution of Gas Engineers National Brassfoundry Association National Federation of Building Trades Employers
6、National House-Building Council Plastic Bath Manufacturers Association Royal Institute of British Architects STC Water Regulations and Fittings Scheme Amendments issued since publication Amd. No. Date of issue CommentsBS6340-4:1984 BSI 10-1999 i Contents Page Committees responsible Inside front cove
7、r Foreword ii Section 1. General 1 Scope 1 2 Definitions 1 3 Materials 1 4 Marking 2 5 Instructions 2 Section 2. Dimensions, design and construction 6 General 2 7 Shower types 2 8 Connections 2 9 Plating 2 10 Flexible hoses 2 Section 3. Performance characteristics 11 Flow rates 2 12 Spray form 2 13
8、Spray trajectories 3 Section 4. Mechanical, hydraulic and endurance characteristics 14 Mechanical tests for flexible hoses 3 15 Mechanical test for shower arm 3 16 Hydraulic tests 3 17 Endurance test for swivel joints 3 Appendix A Information to be supplied by the purchaser 5 Appendix B Methods of m
9、easuring flow rates 5 Appendix C Method of measuring spray form 5 Figure 1 Spray form test apparatus 6 Figure 2 Dimensions of pressure take-off tee 7 Figure 3 Annular gauge 7 Figure 4 Shower head/handset spray trajectories 8 Figure 5 Angular adjustment of wetting area 9 Figure 6 Mechanical tests on
10、flexible hoses 10 Figure 7 Mechanical test on shower arms 11 Table 1 Flow rates 3 Publications referred to Inside back coverBS6340-4:1984 ii BSI 10-1999 Foreword This Part of BS6340 has been prepared under the direction of the Building Services Standards Committee and was initiated by the Consumer S
11、tandards Advisory Committee of BSI, a need for such a standard having been indicated by various interested organizations. The standard is being published in the following Parts: Part 1: Guide on choice of shower units and their components for use in private dwellings; Part 2: Specification for the i
12、nstallation of shower units; Part 3: Specification for prefabricated shower enclosures 1) ; Part 4: Specification for shower heads and related equipment; Part 5: Specification for prefabricated shower trays made from acrylic material; Part 6: Specification for prefabricated shower trays made from po
13、rcelain enamelled cast iron; Part 7: Specification for prefabricated shower trays made from vitreous enamelled sheet steel; Part 8: Specification for prefabricated shower trays made from glazed ceramic 1) . A British Standard does not purport to include all the necessary provisions of a contract. Us
14、ers 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, pagesi andii, pages1 to12, an inside back cover and a b
15、ack 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. 1) In course of preparation.BS6340-4:1984 BSI 10-1999 1 Section 1. General 1 Scope This Part of BS6340 specifies the requi
16、rements for the materials, dimensions and functional testing of domestic shower heads and related equipment to be used in conjunction with shower controls complying with the requirements of BS1415-1, BS1010-2, BS5412 and BS5413. Details of the information to be supplied by the purchaser are given in
17、 Appendix A. NOTEThe titles of the publications referred to in this Part of BS6340 are listed on the inside of the back cover. 2 Definitions For the purposes of this Part of BS6340, the following definitions apply. 2.1 fixed shower head a fixed height outlet fitting through which water passes and is
18、 emitted as either a number of separate, jets or as water droplets 2.2 swivel shower head a fixed height outlet fitting through which water is emitted as either a number of separate jets or water droplets. This shower head incorporates a universal joint enabling it to be swivelled through a limited
19、angular arc, thereby permitting the water spray trajectory to be adjusted 2.3 shower handset a mobile shower head with an integral handle which, when used in conjunction with a flexible hose, permits the user to direct the water trajectory as required 2.4 spray plate a plate containing holes or slot
20、s through which water passes and thereby forms a spray of water with separate, definable jets or water droplets 2.5 flexible hose a flexible tube, which connects the outlet of the mixing valve to the shower handset 2.6 handset holder a device for holding a shower handset in a fixed height position s
21、uch that the hands of the user are free and that the water spray emitted can be used for ablutionary purposes. Some handset holders incorporate a degree of angular movement which enables the water spray trajectory to be adjusted 2.7 slide bar a fixture mounted in the shower enclosure consisting of a
22、 vertically mounted tube or bar and a clampable handset holder which allows the height of a shower handset to be varied to the users particular needs 2.8 shower arm a pipe or casting which connects the concealed and/or exposed rigid riser to the shower head 2.9 rigid riser a pipe connecting the outl
23、et of the mixing valve to the shower arm or head 2.10 spray pattern formation the spray pattern of a shower head or handset is deemed to be formed when the water issuing from the spray plate holes does so in single, definable jets or water droplets, after the water has been flowing for a period of o
24、ne minute 2.11 atomizer a pressure dependent device which disperses water into very fine droplets or mist 2.12 shower equipment a generic term covering all the above component parts 3 Materials The materials used for the metallic parts of the shower equipment shall comply with clause9 of BS5412-5:19
25、76. All non-metallic material used for the shower equipment shall comply with the tests described in all sections of this British Standard.BS6340-4:1984 2 BSI 10-1999 When tested in accordance with DD82 the materials of construction shall not, under the expected usual conditions of use for which the
26、 shower head is designed, impart to the water with which they will come into contact unpleasant taste or odour, any cloudiness or discoloration, or any toxic or undesirable substances. 4 Marking Shower equipment, or its packaging, shall be legibly marked with the following information: a) the manufa
27、cturers name or identification mark; b) the number of this British Standard, i.e.BS6340-4 2) ; c) where applicable, the nominal size of the fitting. NOTEAdditional markings are not precluded. 5 Instructions Installation, use and maintenance instructions shall be provided with each shower head. Secti
28、on 2. Dimensions, design and construction 6 General The design and construction of shower equipment shall be such that it is suitable for use when installed with the shower enclosures specified in BS6340-3 and shower trays specified in BS6340-5 to BS6340-8. The spray plate, where fitted, shall be re
29、movable in accordance with the manufacturers instructions by the use of simple tools (e.g.screwdriver) for cleaning purposes at least50times and still be replaceable without renewal of parts. 7 Shower types The shower head shall be one of the following types: a) fixed shower head; b) swivel shower h
30、ead; c) shower handset fed via a flexible hose and of one of the following variations: 1) fixed height handset for use with a wall handset holder; 2) variable height handset for use with a slide bar; 3) hand held handset for use with a simple holder attached to a bath/shower mixer. 8 Connections Thr
31、eads used on shower equipment for connection purposes shall comply with BS2779. Compression fittings used on shower equipment for connection purposes shall be suitable for use with metallic tube, the outside dimensions of which comply with BS2871-1. 9 Plating 9.1 Nickel and chromium plating on showe
32、r equipment made from copper alloys, shall comply with the requirements of BS1224:1970, service condition No.2, classification Cu/Ni10bCrr. 9.2 Nickel and chromium plating on shower equipment made from plastics materials shall comply with the requirements of BS4601:1970, service condition No.2A, cla
33、ssification PL/Ni8b Crr. 10 Flexible hoses NOTEThe preferred lengths of hose are1.2m and1.5m, but this does not preclude other lengths from being used. Thread connections at the ends of the flexible hose shall beG“ or G# to BS2779 and shall be in the following combinations: “ “;“ # Section 3. Perfor
34、mance characteristics 11 Flow rates When tested in accordance with Appendix B, using the test circuit shown in Figure 1, the flow rates through a shower head/handset and its associated water feed pipe, (i.e.rigid riser or flexible hose) shall be as given in Table 1. 12 Spray form When tested in acco
35、rdance with Appendix C, the distribution of the water droplets shall be such that the amount of water collected by each section of the annular gauge expressed as a percentage of the total volume collected shall be as follows: 2) Marking BS6340-4 on or in relation to a product is a claim by the manuf
36、acturer that the product has been manufactured to the requirements of the standard. The accuracy of such a claim is therefore solely the manufacturers responsibility. Enquiries as to the availability of third party certification to support such claims should be addressed to the Director, Quality Ass
37、urance Division, BSI, Maylands Avenue, Hemel Hempstead, HertsHP24SQ in the case of certification marks administered by BSI or to the appropriate authority for other certification marks. a) centre cylinder: 0% to35%; b) inner annulus: 10% to70%; c) outer annulus: 25% to85%.BS6340-4:1984 BSI 10-1999 3
38、 NOTEThe form of the spray issuing from the shower head may be determined by the manufacturer. 13 Spray trajectories 13.1 When a shower head or shower handset is mounted in accordance with the manufacturers instructions such that its spray plate is horizontal or in the nearest available position, th
39、e water spray trajectory emitted therefrom shall be as shown in Figure 4. 13.2 In the case of shower heads and shower handsets which are to be subsequently mounted at the side of a shower enclosure, the degree of adjustability of the spray trajectory shall be as shown in Figure 5 when the shower hea
40、d is set perpendicular to the wall. For shower heads for type40 and type70 showers the flow rate shall be0.10L/s and0.20L/s respectively. Section 4. Mechanical, hydraulic and endurance characteristics 14 Mechanical tests for flexible hoses 14.1 The flexible hose shall be mounted as shown in Figure 6
41、(a) and a tensile load of400N applied in the direction shown. There shall be no evidence of rupture of the armouring, or failure of the end connections or plastics hose. After this test the hose shall also meet the requirements of the tests specified in16.1. 14.2 The flexible hose shall be mounted a
42、s shown in Figure 6(b) and subjected to a force of100N in the direction shown. There shall be no evidence of rupture of the armouring, or failure of the end connections or plastics hose. After this test the hose shall also meet the requirements of the tests specified in16.1. 15 Mechanical test for s
43、hower arm The fixed shower arm shall be capable of withstanding a load of100N applied at the centreline of the shower head as shown in Figure 7 without permanent deformation or damage. 16 Hydraulic tests 16.1 Flexible hoses. The flexible hose shall be capable of withstanding the following hydraulic
44、tests without subsequent leakage: a) an internally applied hydraulic pressure of4 bar 3)for a duration of60s with water at ambient temperature; b) an internally applied pneumatic pressure of2bar for a duration of20s with the hose immersed in water. 16.2 Hose and handsets. When tested at an inlet run
45、ning pressure of0.5bar with hot water at C for a duration of5min using the test circuit as shown in Figure 1, the manometer being replaced by a suitable pressure gauge, shower heads and handsets shall show no visible reduction in spray pattern efficiency, brought about by permanent deformation of th
46、e head or its spray plates. NOTEAppropriate safeguards to protect the person conducting this test must be made. 17 Endurance test for swivel joints 17.1 The following test applies to all swivel joints in shower equipment, i.e.shower head ball swivel joints, slide bar swivel joints, handset swivel jo
47、ints, etc. 17.2 Swivel joints when installed in accordance with the manufacturers instructions shall be capable of withstanding the following endurance test. Table 1 Flow rates 3) 1bar=10 5 N/m 2 =100kPa. 60 +5 0 Shower head/handset Minimum flow rate which generates spray pattern (spray plate horizo
48、ntal) Minimum flow at0.1 bar For use with type70 shower a L/s 0.065 L/s 0.070 For use with type40 shower a 0.035 0.040 NOTEThe above figures are specified for type testing shower heads/handsets only and should not be confused with the figures stated in clause10 of BS6340-1:1983 which relate to the o
49、verall flow rate figures of a shower valve and shower head/handset combination at the minimum pressure head conditions specified by the manufacturer. a See clause10 of BS6340-1:1983.BS6340-4:1984 4 BSI 10-1999 Each swivel joint shall be subjected to30000 reversals, each one of which shall be a minimum of80% of its available movement. For hydraulic joints the test shall be carried out with water passing through the shower head at40 10 C 4) . At the end of this test, frictional adjustment may be made to the joint, if it is provided
