DIN 477-5-2002 Gas cylinder valves - Part 5 For test pressure up to 450 bar max Outlet connections《气瓶阀 第5部分 最大试验压力为450巴 出口接头》.pdf

1、ICS 23.060.40Gasflaschenventile Teil 5: Fr Prfdrcke bis max. 450 bar SeitenanschlsseIn keeping with current practice in standards published by the International Organization for Standardization(ISO), a comma has been used throughout as the decimal marker.Ref. No. DIN 477-5 : 2002-04English price gro

2、up 07 Sales No. 010711.03DEUTSCHE NORM April 2002477-5 No part of this translation may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Translation b

3、y DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.Gas cylinder valvesPart 5: Outlets for valves rated for pressures up to 450 barContinued on pages 2 to 6.ForewordThis standard has been prepared by Technical Committee Ventile of the Nor

4、menausschuss Druckgas-anlagen (Pressure Vessels Standards Committee).AmendmentsThis standard differs from the February 1990 edition in that it has been completely revised and the numberingsystem for outlet connection identification has been changed so that the former nos. 50 to 53 are now nos. 54to

5、60.Previous editionsDIN 477-5: 1972-11, 1979-09, 1990-02.All dimensions are in millimetres and general tolerances are t 0,1 mm.1 ScopeThis standard covers outlets of gas cylinder valves rated for test pressures up to 450 bar, and designed foruse with gases and gas mixtures of the types described in

6、table 1.By specifying the type of outlet to be used for each type of gas, this standard aims to preclude errorsoccurring when gas cylinders are filled or emptied.Valves for respiratory protective devices are covered in DIN EN 144-2.SupersedesFebruary 1990 edition.Page 2DIN 477-5 : 2002-04Table 1: Al

7、location of valve outlets to gases and gas mixturesOutlet no. Gas type54 Non-flammable, non-toxic and non-oxidizing gases and gas mixtures55 Non-flammable, toxic and corrosive gases (also those produced by hydrolysis)and gas mixtures56 Compressed air57 Flammable, non-toxic gases and gas mixtures58 F

8、lammable, toxic, corrosive (acidic) or non-corrosive gases and gas mixtures59 Oxygen and oxidizing, non-toxic, non-corrosive gases and gas mixtures60 Oxidizing, toxic or corrosive gases and gas mixtures2 Normative referencesThis standard incorporates, by dated or undated reference, provisions from o

9、ther publications. These norma-tive references are cited at the appropriate places in the text, and the titles of the publications are listed below.For dated references, subsequent amendments to or revisions of any of these publications apply to thisstandard only when incorporated in it by amendment

10、 or revision. For undated references, the latest edition ofthe publication referred to applies.DIN 82 KnurlsDIN 477-1 Gas cylinder valves rated for test pressures up to 300 bar Types, sizes and outletsDIN 53505 Shore A and D hardness testing of rubber and plasticsDIN EN 144-2 Respiratory protective

11、devices Gas cylinder valves Part 2: Outlet connectionsDIN EN ISO 11114-1 Compatibility of transportable gas cylinder and valve materials with gas contents Part 1: Metallic materials (ISO 11114-1 : 1997, including Corrigendum AC : 1998)ISO 5145 : 1990 Cylinder valve outlets for gases and gas mixtures

12、 Selection and dimensioning3 Outlet types and dimensions3.1 Valve assemblies1 Valve outlet2 Union nut3 Connector1 Valve outlet2 Union nut3 ConnectorFigure 1: Assembly with connector andmetal-to-metal sealFigure 2: Assembly with connector andmetal-to-elastomer seal (O-ring)Page 3DIN 477-5 : 2002-043.

13、2 Valve outletFigure 3: Valve outletTable 2: Valve outlet dimensionsSuitable forThread size (D)Outlet no.gas/gas mixtureas inDiameter A Diameter BLength, L1(FTSC code no.ISO 5145(H 10) (H 10)as in ISO 5145)54 0170 W 30 2 15,9 20,1 1655 0273 W 30 2 15,2 20,8 16,356 10701) W 30 2 16,6 19,4 15,757 2170

14、 W 30 2LH2) 15,2 20,8 16,358 2270 W 30 2LH 15,9 20,1 1659 40701) W 30 2 17,3 18,7 15,360 4371 W 30 218 18 151) Formerly no. 1170 or 4170.2) LH: Lefthand thread.Page 4DIN 477-5 : 2002-043.3 ConnectorsFigure 4: Connector for metal-to-metal sealDetailFigure 5: Connector with O-ringTable 3: Connector di

15、mensionsSuitable for gas/gasDiameter a Diameter bOutlet no. mixture (FTSC code(d 10) (d 10)no. as in ISO 5145)54 0170 15,9 20,155 0273 15,2 20,856 1070 16,6 19,457 2170 15,2 20,858 2270 15,9 20,159 4070 17,3 18,760 4371 18 18It should be noted that elastomer seals are not suitable for use with some

16、gases.O-rings shall be made of rubber or plastics, of at least 80 Shore A hardness as in DIN 53505, and shall have aninside diameter of 7,66 mm and a ring diameter of 1,78 mm.Page 5DIN 477-5 : 2002-043.4 Union nutFigure 6: Union nut(shown only for lefthand thread)Figure 7: Nut for metal-to-elastomer

17、 seal(shown with DIN 82 knurl)1 VentholeFigure 8: Union nutPage 6DIN 477-5 : 2002-043.5 PlugsThe dimensions of the protective cap of the valve outlet shall be taken into consideration when a plug is to beused. The plug material shall be as in DIN EN ISO 11114-1.4 Scope of supplySee clause 6 of DIN 477-1, February 1990 edition.5 MarkingAs in DIN 477-1.Figure 9: Assembly showing plug withmetal-to-metal sealFigure 10: Assembly showing plug withmetal-to-elastomer seal