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SIST EN 1092-1:2007/kFprA1:2012

(Amendment)

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges

This European Standard for a single series of flanges specifies requirements for circular steel flanges in PN designations PN 2,5 to PN 400 and nominal sizes from DN 10 to DN 4000. This European Standard specifies the flange types and their facings, dimensions, tolerances, threading, bolt sizes, flange jointing face surface finish, marking, materials, pressure/ temperature ratings and approximate flange masses.

Flansche und ihre Verbindungen - Runde Flansche für Rohre, Armaturen, Formstücke und Zubehörteile, nach PN bezeichnet - Teil 1: Stahlflansche

Brides et leurs assemblages - Brides circulaires pour tubes, appareils de robinetterie, raccords et accessoires, désignées PN - Partie 1: Brides en acier

Prirobnice in prirobnični spoji - Okrogle prirobnice za cevi, ventile, fitinge in pribor z oznako PN - 1. del: Jeklene prirobnice - Dopolnilo A1

General Information

Status
Not Published
Public Enquiry End Date
31-Mar-2011
ICS
23.040.60 - Flanges, couplings and joints
Technical Committee
TLP - Pressure vessels
Current Stage
98 - Abandoned project (Adopted Project)
Start Date
24-Jun-2013
Due Date
29-Jun-2013
Completion Date
24-Jun-2013
Directive
97/23/EC - Directive 97/23/EC of the European Parliament and of the Council of 29 May 1997 on the approximation of the laws of the Member States concerning pressure equipment
Mandate
M/071 - Mandate to CEN for standardization in the field of Pressure equipment
Ref Project
EN 1092-1:2007/FprA1 - Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges

Relations

Revised
SIST EN 1092-1:2007 - Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges
Effective Date
01-Sep-2012
Consolidated By
SIST EN 1092-1:2007+A1:2013 - Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges
Effective Date
19-Jan-2023
Consolidated By
SIST EN 1092-1:2007+A1:2013 - Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges
Effective Date
18-Jan-2023
Consolidated By
SIST EN 1092-1:2007+A1:2013 - Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges
Effective Date
01-Jul-2013

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EN 1092-1:2007/oprA1:2011EN 1092-1:2007/oprA1:2011
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EN 1092-1:2007/oprA1:2011
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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 1092-1:2007/oprA1:2011
01-marec-2011
3ULUREQLFHLQSULUREQLþQLVSRML2NURJOHSULUREQLFH]DFHYLYHQWLOHILWLQJHLQ
GRGDWNH]R]QDNR31GHO-HNOHQHSULUREQLFH'RSROQLOR$
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN
designated - Part 1: Steel flanges
Flansche und ihre Verbindungen - Runde Flansche für Rohre, Armaturen, Formstücke
und Zubehörteile, nach PN bezeichnet - Teil 1: Stahlflansche
Brides et leurs assemblages - Brides circulaires pour tubes, appareils de robinetterie,
raccords et accessoires, désignées PN - Partie 1: Brides en acier
Ta slovenski standard je istoveten z: EN 1092-1:2007/prA1
ICS:
23.040.60 Prirobnice, oglavki in spojni Flanges, couplings and joints
elementi
SIST EN 1092-1:2007/oprA1:2011 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 1092-1:2007/oprA1:2011

---------------------- Page: 2 ----------------------

SIST EN 1092-1:2007/oprA1:2011


EUROPEAN STANDARD
DRAFT
EN 1092-1:2007
NORME EUROPÉENNE

EUROPÄISCHE NORM
prA1
November 2010
ICS 23.040.60
English Version
Flanges and their joints - Circular flanges for pipes, valves,
fittings and accessories, PN designated - Part 1: Steel flanges
Brides et leurs assemblages - Brides circulaires pour tubes, Flansche und ihre Verbindungen - Runde Flansche für
appareils de robinetterie, raccords et accessoires, Rohre, Armaturen, Formstücke und Zubehörteile, nach PN
désignées PN - Partie 1: Brides en acier bezeichnet - Teil 1: Stahlflansche
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 74.

This draft amendment A1, if approved, will modify the European Standard EN 1092-1:2007. If this draft becomes an amendment, CEN
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this amendment
into the relevant national standard without any alteration.

This draft amendment was established by CEN 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 CEN Management Centre has the same
status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.


Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1092-1:2007/prA1:2010: E
worldwide for CEN national Members.

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SIST EN 1092-1:2007/oprA1:2011
EN 1092-1:2007/prA1:2010 (E)
Contents Page
Foreword .3
1 Changes to Introduction ix) .4
2 Changes to 4.2 k) .4
3 Changes to 4.2 Example 1 .4
4 Changes to 5.1.1 .4
5 Changes to 5.12 Table 1 .4
6 Changes to 5.6.1 .4
7 Changes to 5.6.6 .4
8 Changes to 5.7.2 Table 2 .4
9 Changes to 5.7.3 .4
10 Changes to 5.8 Table 3 .5
11 Changes to 5.10.1 e) and g) .5
12 Changes to 5.10.2 v) .5
13 Changes to 5.12.2 d) and e) .5
14 Changes to Table 7 .5
15 Changes to Figure 4 .5
16 Changes to Table 8 .5
17 Changes to Table 9 .6
18 Changes to Table 10 –17 .6
19 Changes to Table 10 .6
20 Changes to Table 12 .6
21 Changes to Table 13 .6
22 Changes to Table 14 .6
23 Changes to Table 15 .6
24 Changes to Table 22 .7
25 Changes to Table 23 . 10
26 Changes to Annex A . 10
27 Changes to Annex C . 13
28 Changes to Annex D . 15
29 Changes to Annex F . 17
30 Changes to Annex G . 17
31 Changes to Annex H . 17

2

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SIST EN 1092-1:2007/oprA1:2011
EN 1092-1:2007/prA1:2010 (E)
Foreword
This document (EN 1092-1:2007/prA1:2010) has been prepared by Technical Committee CEN/TC 74
“Flanges and their joints”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
3

---------------------- Page: 5 ----------------------

SIST EN 1092-1:2007/oprA1:2011
EN 1092-1:2007/prA1:2010 (E)
1 Changes to Introduction ix)
Replace …neck thickness… in first line by “…wall thickness…”
2 Changes to 4.2 k)
Replace k) and material and material standard (if necessary); by k) material and material standard (if
necessary);

3 Changes to 4.2 Example 1
Replace “neck thickness” by “wall thickness”
4 Changes to 5.1.1
Replace “Note 1 The materials given in Table 9 (see also Annex D) are tabulated in groups.” by
“Note 1 The materials given in Table 9 (see also Annex D) are tabulated in material groups contain materials
of similar chemical/mechanical properties and corrosion resistance in order to facilitate an equivalent
application of materials in a group depending on pressure, temperature and fluid.”
5 Changes to 5.12 Table 1
Replace “yes” by “no” at Type 33 in 1., 3., 4., 5. and 6. Column
Replace “yes” by “no” at Type 37 in 1. and 5. column
b
Add to footnote “If using cutted strips for manufacturing, the thought thickness direction of the strip for Typ
11 and 34 has to be perpendicular to the flange centerline, for Type 01, 02, 04 and 32 in the direction of the
flange centerline”
6 Changes to 5.6.1
Replace “neck thickness” by “wall thickness” in first break
7 Changes to 5.6.6
Delete Type 36 and 37 in first sentence
8 Changes to 5.7.2 Table 2
Replace “radius of tool nose” in the headline to “radius of round nosed tool” as in 5.7.2.2
9 Changes to 5.7.3
Replace „Flanges type 05 up to PN 40 and collars (except types 33, 36 and 37) shall have type A facing, other
flanges shall have type B facings; unless type B facing is agreed between the purchaser and the supplier.”
1 2
4

---------------------- Page: 6 ----------------------

SIST EN 1092-1:2007/oprA1:2011
EN 1092-1:2007/prA1:2010 (E)
by “If not otherwise agreed between the purchaser and the supplier type 01 and type 05 up to PN 40 and
collars (except types 33, 36 and 37) shall have type A facing, other flanges shall have standard facing type B
1
for all PN numbers.”
10 Changes to 5.8 Table 3
Add unit µm 4 times in headline
a
Add superscript to surface finish of Type 33
11 Changes to 5.10.1 e) and g)
e) Replace “…for identical dimensions …” by “…by identical dimensions…”
g) Delete “for EN Materials-“
12 Changes to 5.10.2 v)
Replace “cast number and/or suitable identification and/or identification number for the traceability” by “heat
number of melt and/or suitable identification, such as code number, for the traceability”
13 Changes to 5.12.2 d) and e)
Replace “…are subjected…” by “…shall subjected…”
14 Changes to Table 7
Add X at Type 01 in field of DN 50 PN 63
Replace at Type 02 and 36 and Type 02 and 33/37 in field of PN 2,5 and PN 6 “dimension identical with PN
10” by “use only for this flange and collar combination”
Add at Type 02 and 35 “dimensions identical with PN 40” in field of PN 25 from DN 50 up to DN 125
Delete X at Type 21 in field PN 25 from DN 1200 up to DN 2000
Delete X at Type 21 in field PN 63 from DN 500 up to DN 1200
15 Changes to Figure 4
Add in drawing of Type D: Groove a continuous line above the groove
16 Changes to Table 8
Delete dimensions for DN 20 and DN 32 for PN 160, PN 250, PN 320 and PN 400
Dimension d for PN 250 DN 300 = 410
1
5

---------------------- Page: 7 ----------------------

SIST EN 1092-1:2007/oprA1:2011
EN 1092-1:2007/prA1:2010 (E)
17 Changes to Table 9
Replace X12N5 by X12Ni5
Delete 1.4539 from forgings
Replace X11CrMo5-1 by X11CrMo5+NT1
18 Changes to Table 10 –17
Replace term G “Diameter of shoulder” to “Center portion” in all Tables
max
19 Changes to Table 10
b
Add new superscript/footnote at Type 21 in column “Outside diameter of neck” “ For flanges type 21 the
outside hub diameter approximately corresponds to the outside pipe diameter”
Delete at Type 05 G G values from DN 1400 to DN 2000
max
20 Changes to Table 12
“ d
Add new superscript/footnote d at DN 65 in column “Bolting/Number According to EN 1092-2 (Cast iron
flanges) and EN 1092-3 (Copper alloy flanges), the flanges in this DN and PN may be supplied with 4 holes.
Where steel flanges are required with 4 holes, these may be supplied by agreement between flange
manufacturer and purchaser.
Replace Dimension F Type 37 at DN 200 “4” to “5”
Add at Type 34 in column “Wall thickness” at DN 600 “8,0”
21 Changes to Table 13
Replace in column “Bore diameters” B at DN 350 “359,0” by “359,5”
1
22 Changes to Table 14
Replace in column “Length” H at DN 600 “115” by “125”
4
Replace in column “Bore diameters” B at DN 1000 “-“ by “b”
1
23 Changes to Table 15
A
...

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