ISO INTERNATIONAL STANDARD 10437 Second edition 2003-07-01 Petroleum, petrochemical and natural gas industries Steam turbines - Special-purpose applications Industries du pétrole, de la pétrochimie et du gaz naturel Turbines a vapeur- Usage spécial Reference number ISO 10437:2003(E) ISO @ISO2003 by IHS under lic itted without license from IHS Not for Resale ISO10437:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below ISO2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISo 2003 - All rights reserved py IHS unde ermittedwithoutlicense from IHS Not for Resale ISO 10437:2003(E) Contents Page Foreword. vi Introduction 1 Scope. 2 Normative references . 3 Terms and definitions. 4 Dimensions... 5 Statutory requirements.. 8 6 Basic design .... 6.1 General..... 8 6.2 Nameplates and rotation arrows . 11 7 Casings .... 7.1 Pressure casings .... 7.2 Casing connections .14 7.3 Internal stationary components 15 7.4 External forces and moments.... 15 8 Rotating elements 15 8.1 General....... 8.2 Shafts 16 8.3 Blading 16 8.4 Speed-sensing element. 17 9 Rotor dynamics 17 9.1 General... 17 9.2 Lateral analysis .. 18 9.3 Unbalanced rotor response verification test. 23 9.4 9.5 Torsional analysis.. .25 9.6 Vibration and balancing . 26 10 Bearings, bearing housings, and seals 27 10.1 Radial bearings ......... 27 10.2 Thrust bearings and collars.... 10.3 Bearing housing.. 29 10.4 Grounding... 29 10.5 Shaft seals 29 11 Materials 11.1 Generai. 11.2 Castings 31 11.3 Welding .. 32 12 Controls and instrumentation.. 33 12.1 12.2 Turbine governing system ... .33 12.3 Overspeed shutdown system.. 36 12.3.1 36 12.3.2 Electronic overspeed detection system .... .37 12.3.3 Electro-hydraulic solenoid valves 37 12.3.4 Trip valves/combined trip and throttle valves 37 12.4 Other alarms and shutdowns.... 39 Copyrght International Organizaion for standardization rights reserved ii Not for Resale ISO 10437:2003(E) 12.5 12.6 Indicating instrumentation .. ..41 12.6.1 Tachometers .... 41 12.6.2 ..41 12.6.3 Thermowells.... 12.6.4 Thermocouples and resistance temperature detectors. 12.6.5 Pressure gauges.... 41 13 Electrical systems .. .41 14 Piping and appurtenances ... 14.1 14.2 Oil piping .. 14.3 Instrument piping ... .42 15 Accessories. 15.1 Couplings and guards .42 15.2 15.3 Mounting plates. ..43 15.3.1 General 15.3.2 Baseplates .44 15.3.3 Soleplates and subplates .. 15.4 Relief valves... .45 15.5 Lubricationandcontrol-oilsystem 45 15.6 15.7 Insulation and jacketing ..46 15.8 Turning gear.... 47 15.9 Special tools .47 16 Inspection, testing and preparation for shipment .47 16.1 General ..... 16.2 Inspection. ..48 16.2.1 General .48 16.2.2 Materials inspection.... 16.2.3 Mechanical inspection. ..49 16.3 Testing.. .49 16.3.1 ..49 16.3.2 16.3.3 Mechanical running test .... 16.3.4 Optional tests and inspections .. .52 16.4 17 Vendor's information .55 17.1 General .... 17.2 Proposals ..56 17.2.1 General .56 17.2.2 17.2.3 Technical data. ..56 17.2.4 Curves ... 57 17