NS EN ISO 16812 : 2ED 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Proposals
   5.1 Purchaser's responsibilities
   5.2 Vendor's responsibilities
6 Drawings and other required data
   6.1 Outline drawings
   6.2 Information required after drawings are reviewed
   6.3 Reports and records
7 Design
   7.1 Design temperature
   7.2 Cladding for corrosion allowance
   7.3 Shell supports
   7.4 Stationary head
   7.5 Floating head
   7.6 Tube bundle
   7.7 Nozzles and other connections
   7.8 Flanged external girth joints
   7.9 Expansion joints
   7.10 Gaskets
   7.11 Handling devices
   7.12 Hydrogen service
8 Materials
   8.1 General
   8.2 Gaskets
   8.3 Tubes
9 Fabrication
   9.1 Shells
   9.2 Pass-partition plates
   9.3 Connection junctions
   9.4 Tubes
   9.5 Welding
   9.6 Heat treatment
   9.7 Dimensional tolerances
   9.8 Gasket contact surfaces other than nozzle flange
        facings
   9.9 Tube-hole grooves
   9.10 Tube-to-tubesheet joints
   9.11 Assembly
10 Inspection and testing
   10.1 Quality assurance
   10.2 Quality control
   10.3 Pressure testing
   10.4 Nameplates and stampings
11 Preparation for shipment
   11.1 Protection
   11.2 Identification
12 Supplemental requirements
   12.1 General
   12.2 Design
   12.3 Examination
Annex A (informative) - Specification sheet
Annex B (informative) - Shell-and-tube heat exchanger checklist
Annex C (informative) - Responsibility specification sheet
Annex D (informative) - Recommended practices
Bibliography

Describes requirements and gives recommendations for the mechanical design, material selection, fabrication, inspection, testing and preparation for shipment of shell-and-tube heat exchangers for the petroleum, petrochemical and natural gas industries.