1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12628:1999 The Euro
2、pean Standard EN 12628:1999 has the status of a British Standard ICS 13.340.10; 97.220.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Diving accessories Combined buoyancy and rescue devices Functional and safety requirements, test methodsThis British Standard, having been
3、prepared under the direction of the Health and Environment Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 October 1999 BSI 10-1999 ISBN 0 580 32930 5 BS EN 12628:1999 Amendments issued since publication Amd. No. Date Comments National forew
4、ord This British Standard is the English language version of EN 12628:1999. The UK participation in its preparation was entrusted by Technical Committee PH/4, Respiratory protection, to Subcommittee PH/4/7, Underwater breathing apparatus, which has the responsibility to: aid enquirers to understand
5、the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee ca
6、n be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the
7、 “Find” facility of the BSI Standards Electronic Catalogue. 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 from
8、legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.CEN European Committee for Standardization Comite Europ
9、e en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1999 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12628:1999 E EUROPEAN STANDARD EN 12628 NORME EUROPE ENNE EUROPA
10、 ISCHE NORM July 1999 ICS 97.220.40 English version Diving accessories Combined buoyancy and rescue devices Functional and safety requirements, test methods Accessoires de plonge e Boue es de quilibrage et de sauvetage combine es Exigences fonctionnelles et de se curite ,m e thodes dessai Tauch-Zube
11、ho r Kombinierte Tarier und Rettungsmittel Funktionelle und sicherheitstechnische Anforderungen, Pru fverfahren This European Standard was approved by CEN on 7 June 1999. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
12、 Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, Fr
13、ench, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, D
14、enmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 12628:1999 BSI 10-1999 Foreword This European Standard has been prepared by Technical Committee CEN/TC 136, Sports, playground and oth
15、er recreational equipment, the Secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2000, and conflicting national standards shall be withdrawn at the lates
16、t by January 2000. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative annex ZA, which is an integral p
17、art of this standard. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Ne
18、therlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Definitions 3 4 Requirements 4 5 Test methods 6 6 Warning label 10 7 Information supplied by the manufacturer 10 Annex A (informative) Artificial sea water 10
19、 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives 11Page 3 EN 12628:1999 BSI 10-1999 *) Available from Standardiseringskommissionen i Sveridge (SIS) PO Box 3295 Tegne rgation 11 S-10266 Stockholm. 1 Scope This standard sp
20、ecifies functional and safety requirements and test methods applicable to combined buoyancy and rescue devices. This standard is applicable to combined buoyancy and rescue devices for use by divers as defined in 3.1. This standard does not apply to buoyancy compensators, which are dealt with in EN 1
21、809. 2 Normative references This European Standard incorporates, by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or
22、revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. EN 250, Respiratory equipment Open-circuit self-contained compressed air diving apparatus R
23、equirements, testing, marking. EN 394:1993, Lifejackets and personal buoyancy aids Additional items. EN 1809:1997, Diving accessories Buoyancy compensators Functional and safety requirements, test methods. SS 019102* ) , Colour atlas NCS Natural Colour System. IEC 50(845):1987, International Electro
24、technical Vocabulary; Chapter 845: Lighting. 3 Definitions For the purposes of this standard the following definitions apply. 3.1 combined buoyancy and rescue device (CBRD) inflatable type device that provides the diver with means for controlling buoyancy and hold him in a head-up position at the su
25、rface with freeboard as stated even if he is unconscious 3.2 buoyancy compensator inflatable type device that provides the diver with means for controlling buoyancy EN 1809:1997 3.3 buoyancy the upward force exerted upon the immersed volume of a body EN 1809:1997 3.4 maximum buoyancy the maximum lif
26、ting force of a CBRD as determined in accordance with 5.4 of this standard EN 1809:1997 3.5 SCUBA acronym for self-contained underwater breathing apparatus as described in EN 250 EN 1809:1997 3.6 oral inflation device a device that permits inflation of the CBRD by mouth EN 1809: 1997 3.7 mechanical
27、inflation device a device to inflate the CBRD with a breathing mixture from the SCUBA or an independent source 3.8 manual deflation device a manually operated device that permits deflation of the CBRD EN 1809:1997 3.9 automatic pressure relief device a device which automatically prevents overpressur
28、ization of a CBRD EN 1809:1997 3.10 harness the means by which the CBRD is secured to the divers body EN 1809:1997 3.11 fixture the means by which the cylinder(s) (of the SCUBA) are fixed to the CBRD EN 1809:1997 3.12 independent inflation device an inflation device which is actuated manually to eff
29、ect a rapid increase in buoyancy independent of the breathing mixture from the SCUBA EN 1809:1997 3.13 cylinder(s) high pressure containers which can supply breathing mixture for divers EN 1809:1997Page 4 EN 12628:1999 BSI 10-1999 3.14 breathing mixture air or a gas mixture indicated by the manufact
30、urer having an oxygen partial pressure higher than 0,16 bar and a percentage of oxygen not higher than 40 % by volume 3.15 rated intermediate pressure the maximum rated intermediate pressure as indicated in the instructions for use of the CBRD as maximum working pressure for the mechanical inflator
31、EN 1809:1997 3.16 freeboard the distance from the lower corner of the mouth to the water surface 3.17 floating position a head-up position at the surface with freeboard and an angle of the body trunk as stated even if the diver is unconscious 4 Requirements 4.1 General When tested in accordance with
32、 5.7 and 5.12, the CBRD shall not give evidence of any risk of injury of the diver, nor shall it impair the operability of any component or that of the SCUBA. The CBRD shall be equipped with several devices permitting respectively oral and mechanical inflation, manual deflation, automatic pressure r
33、elief, drainage of entrapped water, with a harness for securing it to the body. It shall be so designed that the diver is supported in a safe floating position when coming up to the surface of the water, shall have easily visible colours and be provided with a signalling mouth whistle. The CBRD can
34、be fixed on the cylinders of a SCUBA or used as the relevant body harness, can be equipped with hoses for oral inflation or for deflation, with independent inflation devices. 4.2 Mandatory features 4.2.1 Oral inflation device When tested in accordance with 5.12, the oral inflation device shall be as
35、sessed as readily accessible to the mouth and either hand in any stage of inflation of the CBRD. It shall be operable even when wearing protective gloves 3-fingers, (6 1) mm, double-lined. When tested in accordance with 5.5, the oral inflation device shall show a differential pressure drop of not mo
36、re than 35 mbar. Parts of the device which come into contact with the users mouth shall be smoothly finished. 4.2.2 Mechanical inflation device 4.2.2.1 The mechanical inflation device shall be actuated subsequent to one positive, manual operation such as pressing a button. 4.2.2.2 If the mechanical
37、inflation device comprises a medium pressure hose and a valve, it shall be subjected to a pressure test and the medium pressure hose(s) shall comply with the appropriate requirements of EN 250. Testing in accordance with 5.5.3. The coupling between the valve and the hose shall be rapidly detachable
38、with one hand, even when wearing protective gloves 3-fingers, (6 1) mm, double-lined. Testing in accordance with 5.12. The maximum buoyancy determined in accordance with 5.4, shall be built up within not more than 20 s at maximum flow and feeding pressure of not more than 7 bar, testing in accordanc
39、e with 5.5.2. 4.2.2.3 If the mechanical inflation device is directly fed from a secondary high pressure source, this shall comply with the following requirements: a) the source shall have a minimum capacity of 200 l STPD (standard temperature pressure dry) and only contain a breathing mixture; b) th
40、e operating valve shall be accessible and operable by one hand even when wearing protective gloves 3-fingers, (6 1) mm, double-lined; testing in accordance with 5.12; c) at atmospheric pressure, the CBRD shall inflate the maximum buoyancy determined according to 5.4 within 20 s after operating the d
41、evice; testing in accordance with 5.5.2; d) cylinder(s), valves and hoses shall comply with the appropriate national or European regulations and shall be approved with respect to the rated working pressure; e) it shall be fixed such that it cannot be loosened unintentionally; testing in accordance w
42、ith 5.7 and 5.12. The independent gas source shall be equipped with at least one of the following safety devices: f) pressure gauge; g) active warning device. The safety device shall clearly indicate to the diver that the available gas supply is at least 100 l STPD. Testing in accordance with 5.12.
43、4.2.3 Independent inflation device 4.2.3.1 The CBRD shall be equipped with an independent inflation device which shall comply with the requirements of 4.2.3.2 to 4.2.3.7. 4.2.3.2 The independent inflation shall have a minimum capacity of 100 l STPD.Page 5 EN 12628:1999 BSI 10-1999 4.2.3.3 The indepe
44、ndent inflation device shall contain a breathing mixture. 4.2.3.4 The device actuating the release of gas shall be accessible and operable even when wearing protective gloves 3-fingers, (6 1) mm, double-lined. Testing in accordance with 5.12. 4.2.3.5 When tested at atmospheric pressure according to
45、5.10, the CBRD shall inflate to 1 00 % of the maximum buoyancy given in 7.2e) after operating the independent inflation device. 4.2.3.6 The gas release from the independent source shall be controllable. Testing in accordance with 5.12. 4.2.3.7 An independent inflation device shall be fixed such that
46、 it cannot be loosened unintentionally. Testing in accordance with 5.7 and 5.12. 4.2.4 Manual deflation device 4.2.4.1 This shall be activated subsequent to one positive manual operation, such, as pressing a button or pulling a cord. It shall be operable even when wearing protective gloves 3-fingers
47、, (6 1) mm, double-lined. It may either be incorporated in the oral inflation device and comply with 4.2.1 and/or a separately operated device. This device (or at least one of these devices) shall be readily accessible to either hand in any stage of inflation of the CBRD. Testing in accordance with
48、5.12. 4.2.4.2 At the maximum manually settable position the outflow of gas shall be greater than the maximum possible inflow by either one of the mechanical inflation devices fed with at least 7 bar at a buoyancy of not more than 20 % of the maximum buoyancy. Testing in accordance with 5.6.1. 4.2.4.
49、3 After operating the manual deflation device until the outflow of gas stops, the residual buoyancy of the CBRD shall be not more than 10 % of the rated maximum buoyancy. Testing in accordance with 5.6.2. 4.2.4.4 If the manual deflation device is operated by means of a pulling cord, it shall remain operable after testing in accordance with 5.6.3. 4.2.5 Automatic pressure relief device This shall prevent damage to the CBRD through overpressurization. When tested in accordan
