1、FOUR-INCH HYDRANT SYSTEMCOMPONENTS AND ARRANGEMENTSAPL/IP SPECIFICATION 1584Third editionApril 2001PAmericanPetroleumInstituteTHE INSTITUTEOF PETROLEUM解ep器gowGet新e6Done Right.Copyright 2001 by American Petroleum Institute,andThe Institute of Petroleum,London:A charitable company limited by guarantee
2、.Registered No.135273,EnglandAll rights reservedNo part of this book may be reproduced by any means,or transmitted or translated intoa machine language without the written permission of the publisher.ISBN0852932804Published by The Institute of PetroleumFurther copies can be obtained from Portland Pr
3、ess Ltd.Commerce Way,Whitehall Industrial Estate,Colchester CO2 8HP,UK.Tel:44(0)1206 796 351emall:sales(CONTENTSPagef0rw0rd。,。,。,ViiAcknowledgements.,。ix1 Introduction,scope and referenced publications11.1Introduction.1.2Scope11.3Referenced publications.22 Terms,definitions and abbreviations.32.1Ter
4、ms anddefinitions.32.2Abbreviations52.3Units used53 General arrangements and features.73.1Typical arrangement of hydrant pit equipment and controls.73.2Mandatory requirements73.30 ptional items.194 Performance criteria and testing procedures.214.1Mechanical strength.,.,.,.,4.2Test fluid。,。,214.3Dime
5、nsional checks4.4Proof and burst pressure4.5Pressure loss.,。224.6Opening and closing times and overshoot.224.7Vacuum test.234.8Pilot device override test.234.9External load resistance and failure mode.234.10 Catastrophic excess flow254.11Decoupling spillage.264.12 Pressure,surge and flow control.265 Type approval testing and quality assurance.275.1Qualityassurance.5.2Approval testing35.3Documentation and instruction27
