1、Specification for Vertical and Horizontal Emulsion TreatersAPI SPECIFICATION 12L FIFTH EDITION,OCTOBER 2008EFFECTIVE DATE:APRIL 1,2009Specification for Vertical and Horizontal Emulsion TreatersUpstream SegmentAPI SPECIFICATION 12L FIFTH EDITION,OCTOBER 2008EFFECTIVE DATE:APRIL 1,2009Special NotesAPI
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14、 years.A one-time extension of up to two years may be added to this review cycle.Status of the publication can be ascertained from the API Standards Department,telephone(202)682-8000.A catalog of API publications and materials is published annually and updated quarterly by API,1220 L Street,N.W.,Was
15、hington,D.C.20005.Suggested revisions are invited and should be submitted to the Standards Department,API,1220 L Street,NW,Washington,D.C.20005,standardsapi.org.iiiContentsPage1Scope.11.1 General.11.2 Background.12References.13Definitions .24Material.64.1 ASME Code .64.2 Non-pressure Parts.64.3 Mate
16、rial Selection.64.4 Corrosion.75Design.95.1 Type,Size,Pressure and Temperature Ratings.95.2 Firebox Rating.105.3 Firetube Heat Flux.105.4 Firetube Heat Density.105.5 Stack Height.115.6 Firetube.115.7 Additional Information.116Fabrication,Testing and Painting.116.1 Fabrication.116.2 Painting.116.3 Internal Coating.116.4 Preparation for Shipment.117Marking.127.1 API Nameplate.127.2 ASME Code Nameplate.138Inspection and Rejection.138.1 ASME Code Inspection.138.2 Inspection Notice.138.3 Inspection b