API SPEC 12K : 2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
SPECIFICATION FOR INDIRECT TYPE OILFIELD HEATERS
01-20-2023
10-01-2008
1 Scope
2 References
3 Definitions
4 Materials
4.1 General
4.2 Coils
4.3 Flanges
4.4 Fittings
4.5 Proprietary Fittings
4.6 Bolting
4.7 Shells, Firetubes and Stacks
5 Design
5.1 Coil Design
5.2 Shell Design
5.3 Standard Firebox Rating
5.4 Firetube Heat Flux
5.5 Firetube Heat Density
5.6 Stack Height
6 Fabrication, Testing and Painting
6.1 General
6.2 Coil Fabrication
6.3 Shell, Firetube, Stack and Accessories
6.4 Painting
7 Marking
7.1 Nameplate
7.2 Shell Nameplate
7.3 Coil Nameplate
7.4 Coil Connection
8 Inspection and Rejection
8.1 Inspection Notice
8.2 Inspection by Purchaser
8.3 Rejection
8.4 Compliance
Annex A (informative) - Indirect Heater Design Information
Annex B (informative) - Gas Flow Rate
Annex C (informative) - Combustion Efficiency
Annex D (informative) - Heat Transfer
Annex E (informative) - Structural Design Guidelines
Annex F (informative) - Corrosion Guidelines
Annex G (informative) - Use of the API Monogram by Licensees
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