00/717115 DC : DRAFT NOV 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PREN 12516-2 - INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 2: CALCULATION METHOD FOR STEEL VALVE SHELLS
04-23-2007
11-23-2012
Foreword
0 Introduction
1 Scope
2 Normative references
3 Symbols and units
4 General conditions for the strength calculation
5 Design data
5.1 Pressure
5.2 Standard hydraulic test
6 Nominal design for pressure parts
other than bolts
6.1 General
6.2 Steels other than steels covered by 6.3
or 6.4
6.3 Austenitic steel and austenitic steel castings
with a minimum rupture elongation not less than
30%
6.4 Austenitic steel and austenitic steel casting
with a minimum rupture elongation not less
than 35%
6.5 Steel castings other than castings covered by
6.3 or 6.4
6.6 Creep conditions
7 Calculation methods for the wall thickness of valve
bodies
7.1 General
7.2 Valve bodies
8 Calculation methods for bolted bonnets and covers
8.1 General
8.2 Covers made of flat plates
8.3 Covers consisting of a hemispherical shell of
an adjoining flanged ring
8.4 Dished heads
9 Calculation methods for pressure sealed bonnets and
covers
10 Calculation methods for flanges
10.1 General
10.2 Circular flanges
10.3 Oval flanges
10.4 Rectangular or square flanges
10.5 Calculation of the bolt diameter
10.6 Design temperature
11 Calculation methods for glands
11.1 Loads
11.2 Gland bolts
11.3 Gland flanges
11.4 Other components
12 Fatigue
Annex A (informative) Bibliography
Annex B (informative) Characteristics values of gaskets
and joints
Annex ZA (informative) Clauses of this European standard
addressing essential requirements or other
provisions of EU Directives
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