DEUTSCHE NORM June 2002

Transcription

1 DEUTSCHE NORM June 2002 Flanges and their joints Circular flanges for pipes, valves, fittings and accessories Part 1: Steel flanges, PN designated English version of DIN EN { EN ICS Flansche und ihre Verbindungen Runde Flansche für Rohre, Armaturen, Formstücke und Zubehörteile Teil 1: Stahlflansche, nach PN bezeichnet Supersedes DIN 2513, May 1966 edition, DIN 2514, March 1975 edition, DIN 2519, August 1966 edition, DIN 2527, April 1972 edition, DIN 2543 to DIN 2545, September 1977 editions, DIN 2546, November 1969 edition, DIN 2547, September 1977 edition, DIN 2566, DIN 2573, DIN 2576, DIN 2630 to DIN 2637, DIN 2641, DIN 2642, DIN 2655, and DIN 2656, March 1975 editions, and DIN 2673, August 1962 edition. European Standard has the status of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been prepared by CEN/TC 74 Flanges and their joints (Secretariat: Germany). The responsible German body involved in its preparation was the Normenausschuss Rohrleitungen und Dampfkesselanlagen (Pipelines and Pressure Vessels Standards Committee), Technical Committee Flansche und ihre Verbindungen. It should be noted that this standard does not cover all flange sizes covered by the above DIN Standards. For flange dimensions not specified here, refer to DIN Amendments The DIN Standards listed above have been fully or partially superseded by the specifications of EN Previous editions DIN 2513: , , , DIN 2514: , , , , DIN , DIN 2527: , , , DIN 2543: , , , , DIN 2544: , , 1949x-12, , DIN 2545: , , , , DIN 2546: , , 1949x-12, , DIN 2547: , , , , DIN 2566: , , , , , DIN 2573: , , , DIN 2576: 1963x-12, Continued pages 2 to 5. EN comprises 69 pages. No part of this standard may be reproduced without the prior permission of DIN Deutsches Institut für Normung e. V., Berlin. Beuth Verlag GmbH, Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen). Ref. No. DIN EN : English price group 23 Sales No

2 Page 2 DIN EN : DIN 2630: , , , , , , , DIN 2631: , , , , , , , DIN 2632: , , , , , , 1962x-08, , DIN 2633: , , , , , DIN 2634: , , , , , DIN 2635: , , , 1962x-08, , DIN 2636: , , 1949x-12, , , DIN 2637: , , , , , DIN 2641: , , , , DIN 2642: , , , , , , , DIN 2652: , , DIN 2653: , , , , DIN 2655: , , , DIN 2656: , , , DIN 2673: , , , , DIN 3156: 1935x-11 DIN 86031: DIN 86043: DIN HNA FI 31: National Annex NA (informative) National addendum to DIN EN NA.1 Correlation of flange sizes Table NA.1 correlates the flange sizes covered by the withdrawn DIN Standards with those included in DIN EN Table NA.1: Correlation of sizes DIN Standard Flange type Size Size as in Item as in as in DIN EN DIN Standard DIN EN Tongue and groove Up to PN 160 Up to PN 100 DN 4 to DN 1000 DN 10 to DN Spigot and recess DN 010 to DN 1000 Up to PN 100 DN 10 to DN Spigot with groove and recess DN 010 to DN 3000 Up to PN 100 DN 10 to DN Blank flanges, PN 2,5 Not specified. DN 10 to DN 2000 Blank flanges, PN 6 DN 010 to DN 0500 DN 10 to DN 2000 Blank flanges, PN 10 DN 010 to DN 0500 DN 10 to DN 1200 Blank flanges, PN 16 DN 010 to DN 0500 DN 10 to DN 1200 Blank flanges, PN 25 DN 010 to DN 0500 DN 10 to DN 0600 Blank flanges, PN 40 DN 010 to DN 0500 DN 10 to DN 0600 Blank flanges, PN 64 (now PN 63) DN 010 to DN 0400 DN 10 to DN 0400 Blank flanges, PN 100 DN 010 to DN 0350 DN 10 to DN Cast steel flanges, PN 16 DN 010 to DN 2200 DN 10 to DN Cast steel flanges, PN 25 DN 010 to DN 2000 DN 10 to DN Cast steel flanges, PN 40 DN 010 to DN 1600 DN 10 to DN Cast steel flanges, PN 64 (now PN 63) DN 010 to DN 1200 DN 10 to DN Cast steel flanges, PN 100 DN 125 to DN 0700 DN 10 to DN 0500 (continued)

3 Page 3 DIN EN : DIN Standard Flange type Size Size as in Item as in as in DIN EN DIN Standard DIN EN Hubbed threaded flanges, PN 10 to PN 16 Plate flanges for brazing or welding, PN 6 Plate flanges for brazing or welding, PN 10 DN 006 to DN DN 10 to DN 0600 DN 010 to DN DN 10 to DN 0600 DN 010 to DN DN 10 to DN Weld-neck flanges, PN 1 and PN 2,5 DN 010 to DN DN 10 to DN Weld-neck flanges, PN 6 DN 010 to DN DN 10 to DN Weld-neck flanges, PN 10 DN 010 to DN DN 10 to DN Weld-neck flanges, PN 16 DN 010 to DN DN 10 to DN Weld-neck flanges, PN 25 DN 010 to DN DN 10 to DN Weld-neck flanges, PN 40 DN 010 to DN DN 10 to DN Weld-neck flanges, PN 64 (now PN 63) DN 010 to DN DN 10 to DN Weld-neck flanges, PN 100 DN 010 to DN DN 10 to DN , 33, , 33, , 33, , 33, , 34 Table NA.1 (concluded) Loose plate flanges, lapped pipe ends, weld-on plate collars, PN 6 Loose plate flanges, lapped pipe ends, weld-on plate collars, PN 10 Loose plate flanges, weld-on plate collars, PN 25 Loose plate flanges, weld-on plate collars, PN 40 Loose plate flanges with weld-neck collar, PN 10 DN 010 to DN DN 10 to DN 0600 DN 010 to DN DN 10 to DN 0600 DN 010 to DN DN 10 to DN 0600 DN 010 to DN DN 10 to DN 0600 DN 010 to DN DN 10 to DN 0600 NA.2 Manufacturing processes Table NA.2 gives details of manufacturing processes. Table NA.2: Manufacturing processes Flange type as in DIN EN Forged Rolled, Made Bent and welded Pressed seamless 1 from sections, bars 1 ), ), 2 ) ) plate or strip 1 ) 01 (Plate flanges for welding) Yes Yes Yes Yes Yes 02 (Loose plate flanges with weld-on plate collar) Yes Yes Yes Yes Yes 04 (Loose plate flanges with weld-neck collar) Yes Yes Yes Yes Yes 05 (Blank flanges) Yes No Yes Yes No 11 (Weld-neck flanges) Yes Yes Yes No *) 12 (Hubbed slip-on flanges for welding) Yes Yes Yes No No 13 (Hubbed threaded flanges) Yes Yes Yes No No 21 (Integral flanges) Yes Yes Yes No No 32 (Weld-on plate collars) Yes Yes Yes Yes Yes 33 (Lapped pipe ends) Yes Yes Yes Yes Yes 34 (Weld-neck collars) Yes Yes Yes Yes Yes 1 ) Manufacturing method also permitted. 2 ) To be agreed when ordering. *) Only for sizes from DN 700.

4 Page 4 DIN EN : NA.3 Surface finish Table NA.3 gives details of surface finish. The R a and R z values apply only for the as delivered condition, unless otherwise agreed at the time of ordering. Table NA.3: Surface finish R a and R z are maximum values, in micrometres. Outer rim Bore Facing Bolt Spot Flange type as in DIN EN holes facing R a R z R a R z 01 (Plate flanges for welding) (Loose plate flanges with weld-on plate collar) (Loose plate flanges with weld-neck collar) (Blank flanges) Without bore 11 (Weld-neck flanges) 25 1 ) ) 25 1 ) ) 12 (Hubbed slip-on flanges for welding) 25 1 ) ) 25 1 ) ) 13 (Hubbed threaded flanges) 25 1 ) ) 21 (Integral flanges) 25 1 ) ) 25 1 ) ) 32 (Weld-on plate collars) (Lapped pipe ends) (Weld-neck collars) 25 1 ) ) 25 1 ) ) 1 ) Rated for pressures up to 40 bar, unmachined. 2 ) As in DIN EN , subclause ) For pressures up to 40 bar, punched or drilled. For higher pressures, drilled only. 4 ) As in DIN EN , subclause ) 3 ) 4 ) NA.4 Designation of flange facing types Table NA.4 correlates the old flange facing type designations used in DIN Standards with the new designations used in DIN EN Table NA.4: Correlation of flange facing type designations Old designation as in DIN Standards New designation as in DIN EN Type A Type B Type A Type C Type D Type B 1 Type E Type B 2 Type F Type C Type N Type D Type V 13 Type E Type R 13 Type F Type V14 Type H Type R 14 Type G NA.5 Gaskets Since gaskets for type H flange facings have been left unspecified in European Standards, sealing rings complying with DIN 2693 may be used.

5 NA.6 Lenticular ring joint gaskets Page 5 DIN EN : Flanges may be supplied with facings to fit lenticular ring joint gaskets as in DIN 2696, this being subject to agreement at the time of ordering. NA.7 Diaphragm weld seals Flanges may be supplied with a reduced flange facing diameter, d 4, as in DIN 2695, this being subject to agreement at the time of ordering.

6

7 EN December 2001 ICS Descriptors: English version Flanges and their joints Circular flanges for pipes, valves, fittings and accessories Part 1: Steel flanges, PN designated Brides et leurs assemblages Brides circulaires pour tubes, appareils de robinetterie, raccords et accessoires Partie 1: Brides en acier désignées PN Flansche und ihre Verbindungen Runde Flansche für Rohre, Armaturen, Formstücke und Zubehörteile Teil 1: Stahlflansche, nach PN bezeichnet This European Standard was approved by CEN on CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European 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 Management Centre or to any CEN member. The European Standards exist in three official versions (English, French, 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. ÈÉË European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Management Centre: rue de Stassart 36, B-1050 Brussels CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. E

8 Page 2

9 Page 3

10 Page 4

11 Page 5

12 Page 6

13 Page 7

14 Page 8

15 Page 9

16 Page 10

17 Page 11

18 Page 12

19 Page 13

20 Page 14

21 Page 15

22 Page 16

23 Page 17

24 Page 18

25 Page 19

26 Page 20

27 Page 21

28 Page 22

29 Page 23

30 Page 24

31 Page 25

32 Page 26

33 Page 27

34 Page 28

35 Page 29

36 Page 30

37 Page 31

38 Page 32

39 Page 33

40 Page 34

41 Page 35

42 Page 36

43 Page 37

44 Page 38

45 Page 39

46 Page 40

47 Page 41

48 Page 42

49 Page 43

50 Page 44

51 Page 45

52 Page 46

53 Page 47

54 Page 48

55 Page 49

56 Page 50

57 Page 51

58 Page 52

59 Page 53

60 Page 54

61 Page 55

62 Page 56

63 Page 57

64 Page 58

65 Page 59

66 Page 60

67 Page 61

68 Page 62

69 Page 63

70 Page 64

71 Page 65

72 Page 66

73 Page 67

74 Page 68

75 Page 69