道达尔勘探开发 规范 GS_EP_PVV_144_EN.pdf

Exploration Production GENERAL SPECIFICATION PIPING VALVES VESSELS GS EP PVV 144 Fittings 05 01/2011 New revision 04 10/2009 Update of reference documents 03 10/2006 General review 02 10/2005 Addition of “EP” root to GS identification 00 02/2001 First issue Rev. Date Notes Owner: EP/TDO/TEC Managing entity: EP/TDO/TEC/PVV This document is the property of Total. It must not be stored, reproduced or disclosed to others without written authorisation from the Company. Exploration Production General Specification Date: 01/2011 GS EP PVV 144 Rev: 05 Contents 1.  Scope 4  2.  Reference documents 4  3.  Materials6  3.1  Carbon steel fittings 6  3.2  Galvanised fittings 6  3.3  Austenitic stainless steel fittings 6  3.4  Austenitic-ferritic steel fittings 6  3.5  Fittings in UNS 06625 grade 1 alloy 6  3.6  Copper Alloy fittings 6  4.  Substitution of equivalent materials7  5.  Dimensions 7  5.1  Thicknesses 7  5.2  Other dimensions7  6.  Ends 8  6.1  Bevelled ends 8  6.2  Threaded ends8  6.3  Socket-welding ends8  7.  Manufacture 8  7.1  Fittings up to 11/2 in diameter 8  7.2  Fittings 2 or more in diameter 8  7.3  Repairs of defects 9  8.  Cleaning 9  9.  Inspection 9  9.1  Quality contro