BS ISO 19372:2015 BSI Standards Publication Microturbines applications — Safety BS ISO 19372:2015 BRITISH STANDARD National foreword This British Standard is the UK implementation of ISO 19372:2015. The UK participation in its preparation was entrusted to Technical Committee MCE/16, Gas turbines. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. © The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN 978 0 580 82186 8 ICS 27.040 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2015. Amendments issued since publication Date Text affected BS ISO 19372:2015 INTERNATIONAL ISO STANDARD 19372 First edition 2015-02-15 Microturbines applications — Safety Microturbines — Sécurité Reference number ISO 19372:2015(E) © ISO 2015 BS ISO 19372:2015 ISO 19372:2015(E)  COPYRIGHT PROTECTED DOCUMENT © ISO 2015 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of the requester. ISOTel. copyright+ 41 22 749 office 01 11 Case postale 56 • CH-1211 Geneva 20 FaxWeb + www.iso.org 41 22 749 09 47 E-mail [email protected] Published in Switzerland ii  © ISO 2015 – All rights reserved BS ISO 19372:2015 ISO 19372:2015(E)  Contents Page Foreword.....................................................................................................................................................................................................................................viii Introduction.................................................................................................................................................................................................................................ix 1 Scope.................................................................................................................................................................................................................................. 1 2 Normative references....................................................................................................................................................................................... 1 3 Terms and definitions...................................................................................................................................................................................... 4 4 List of significant hazards............................................................................................................................................................................ 6 5 Safety requirements.......................................................................................................................................................................................... 6 ............................................................................................................................................................................................................ ...................................................................................................................................................................................... 5.1 General .................................................................................................................................. 67 5.2 Risk assessment .............................................................................................................................................................................. 67 5.35.5 ModificationsLifetime........................................................................................................................................................................................................... and replacement parts 8 5.4 Foreseeable misuse ......................................................................................................................................................................... 8 5.7 Noise................................................................................................................................................................................................................. 8 5.6 Hazard combinations................................................................................................................................................................................................... 8 ................................................................................................................................................................................... 8 5.8 Mechanical ................................................................................................................................ 9 5.8.1 Guarding ....................................................................................................................................................................... 9 5.8.25.8.4 AccessibilityMicroturbine for compressor maintenance surge.......................................................................................................................... 9 5.8.3 Casing design ................................................................................................................................................... 9 ................................................................................................10 5.8.5 Stability and............................................................................................................................................................................... handling 10 5.8.6 Overload of rotating shafts due to torque....................................................................................................10 5.8.7 Vibration ..........................................................................................................................10 5.8.8 Mechanical failure caused by.................................................................................................................................. corrosion 11 5.8.9 Design methods and .materials.................................................................................................................................................11 5.8.10 Microturbine temperatures.........................................................................................................................................................11 5.8.115.8.13 EnvironmentalCouplings.............................................................................................................................................................................. loads 11 5.8.12 Assembly features.................................................................................................................................................................11 ....................................................................................................................................................12 5.8.14 Rotor bearings ...........................................................................................................12 5.8.15 Rotating. .................................................................................................................................................................................part failure 12 5.8.16 Foreign object damage............................................................................................................................................................. (FOD) screen 13 5.8.17 Gearbox ...........................................................14 5.8.18 Starting systems ...................................................................................................................................................14 5.8.19 Storage ...................................................................................................................................................................................and operating ambient temperature conditions 14 5.9 Microturbine air inlet system .............................................................................................................................................14 5.9.1 General .....................................................................................................................14 5.9.25.9.4 InletImplosion air contamination protection..................................................................................................................................................15 5.9.3 Icing monitoring and prevention......................................................................................................................................15 ............................................................................................................15 5.9.5 Inlet explosion....................................................................................................................................................................