DEFSTAN 02-348/2(2008) : 2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GUIDE TO THE DESIGN, CORROSION ASSESSMENT AND STRESS ANALYSIS OF STEAM SYSTEMS PIPEWORK
Hardcopy , PDF
23-02-2023
English
01-01-2008
Foreword
1 Scope
2 Warning
3 Normative References
4 Definitions
5 Abbreviations
6 Performance Specification
6.1 Scope of Steam System
6.2 Steam System Safety
6.1 Steam System Requirements
6.2 Steam System Parameters
6.3 Coded Steam Systems
6.4 Environmental Conditions
7 National/International Regulations
7.1 Pressure Equipment and Systems Safety Regulations
8 Military Standards/Requirements
8.1 General Requirements
8.2 Safety Management
8.3 Design Codes
8.3.1 Code Pipework
8.3.2 Current Standards (Codes) for Design of Steam
Systems
8.4 Submarine Steam Systems
8.4.1 Quality
8.4.2 System Failure
8.5 Human Factors
8.5.1 Human Factors Guidance
8.6 Maintenance Philosophy
8.7 System Drainage Requirements
8.8 Noise, Vibration and Shock Requirements
8.8.1 Noise and Vibration Requirements
8.8.2 Shock Requirements
8.8.3 Shock Calculations and Analysis
8.9 System Life Requirements
8.10 Composition of Steam Systems
8.11 Materials
8.11.1 Materials Selection Criteria
8.11.2 Jointing Materials
8.12 System Insulation/Lagging Requirements
8.13 Welding/Joining Requirements
8.13.1 Welded Joints
8.13.2 Flanged Joints
8.14 Valves
8.15 Branch Connections
8.16 Bulkhead Penetrations
8.17 Supports and Hangers
8.18 Expansion Compensation
8.19 Lubrication
9 Design Requirements/Guidance
9.1 General Requirements
9.2 Design Process
9.3 Design Requirements
9.3.1 Preferred Dimensions
9.3.2 Pipe Wall Thickness
9.3.3 Allowable Pipe Mean Wall Thickness
9.3.4 Minimum Allowable Pipe Wall Thickness
9.3.5 Determining Pipe Size
9.3.6 Velocities
9.3.7 Pressure Drop
9.4 Steam Pipework Corrosion
9.4.1 Corrosion Assessment
9.4.2 Causes of Corrosion
9.4.3 Corrosion Rates
9.4.4 Design to Reduce Corrosion
9.5 Stress Calculation
9.5.1 Calculation Requirements
9.5.2 Computer Based Analysis
9.5.3 Static Stress Analysis (Hand Calculation)
9.6 Design Requirements and Considerations for Flexibly
Mounted Pipework
9.6.1 Flexible Connections
9.6.2 Design Considerations
9.6.3 Forced Resonant Vibration
9.6.4 Effects of Flexible Joints
9.6.5 Flexible Mounts
9.6.6 Effect on Pipework
9.7 System Validation and Testing
10 Corporate Experience & Knowledge
10.1 System Designation
10.2 System Drainage
10.3 Materials
10.4 Design Authority Requirements
10.5 Pressure Tests
10.6 Steam Drain Pintle
10.7 Valve Gland failure
10.8 Dehumidification
10.9 Chemistry Control
Annex A - Normative References
Annex B - Abbreviations
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