I.S. EN 13445-3:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
UNFIRED PRESSURE VESSELS - PART 3: DESIGN
Hardcopy , PDF
27-01-2020
English
10-08-2009
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Basic design criteria
6 Maximum allowed values of the nominal design stress for pressure parts
7 Shells under internal pressure
8 Shells under external pressure
9 Openings in shells
10 Flat ends
11 Flanges
12 Bolted domed ends
13 Heat Exchanger Tubesheets
14 Expansion bellows
15 Pressure vessels of rectangular section
16 Additional non-pressure loads
17 Simplified assessment of fatigue life
18 Detailed assessment of fatigue life
19 Creep design
20 Design rules for reinforced flat walls
21 Circular flat ends with radial reinforcement ribs
Annex A (normative) Design requirements for pressure bearing welds
Annex B (normative) Design by Analysis – Direct Route
Annex C (normative) Design by analysis - Method based on stress categories
Annex D (informative) Verification of the shape of vessels subject to external pressure
Annex E (normative) Procedure for calculating the departure from the true circle of cylinders and cones
Annex F (normative) Allowable external pressure for vessels outside circularity tolerance
Annex G (normative) Alternative design rules for flanges and gasketed flange connections
Annex GA (informative) Alternative design rules for flanges and gasketed flange connections
Annex H (informative) Gasket factors m and y
Annex I (informative) Additional information on heat exchanger tubesheet design
Annex J (normative) Alternative method for the design of heat exchanger tubesheets
Annex K (informative) Additional information on expansion bellows design
Annex L (informative) Basis for design rules related to additional non-pressure loads
Annex M (informative) In service monitoring of vessels operating in fatigue or creep
Annex N (informative) Bibliography to clause 18
Annex O (informative) Physical properties of steels
Annex P (normative) Classification of weld details to be assessed using principal stresses
Annex Q (normative) Simplified procedure for the fatigue assessment of unwelded zones
Annex R (informative) Coefficients for creep-rupture model equations for extrapolation of creeprupture strength
Annex S (informative) Extrapolation of the nominal design stress based on time-independent behaviour in the creep range
Annex T (normative) Design by experimental methods
Annex Y (informative) History of EN 13445-3
Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of the EU Pressure Equipment Directive 97/23/EC
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.