UNI EN 1591-1 : 2014
Current
The latest, up-to-date edition.
FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
13-02-2014
Foreword
1 Scope
2 Normative references
3 Notation
4 Requirements for use of the calculation method
5 Checking the assembly for a specified initial
tightening bolt force (or torque)
6 Calculation parameters
7 Forces
8 Load limits
Annex A (informative) - Dimensions of standard
metric bolts
Annex B (informative) - Tightening
Annex C (informative) - Flange rotations
Annex D (informative) - Use of the calculation
method
Annex E (informative) - Gasket/flange face friction
coefficients examples
Annex F (normative) - Determination of Delta[eGc,l],
based on a given P[QR]
Annex G (informative) - Sealing gasket parameter
when no leakage rate is specified
Annex H (informative) - Alternative calculation procedure
taking into account the plastic deformation
of the gasket in subsequent load conditions
procedures (after assembly)
Annex I (informative) - Available, incomplete models
for conversion of the leakage rates in different
conditions (based on certain flow models)
Annex ZA (informative) - Relationship between this
European Standard and the Essential
Requirements of EU Directive 97/23/EC
Bibliography
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