Normas api

Recommended Practice for Design and Installation of Offshore Production Platform Piping Systems
API RECOMMENDED PRACTICE 14E FIFTH EDITION, OCTOBER 1991 REAFFIRMED, MARCH 2007

Copyright American Petroleum Institute Provided by IHS under license with API No reproduction or networking permitted without license from IHS

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Issued by AMERICAN PETROLEUM INSTITUTE Production Department

FOR INFORMATION CONCERNING TECHNICAL CONTENTS OF THIS PUBLICATION CONTACT THE API PRODUCTION DEPARTMENT, (214) 746-3841. 1201 MAIN STREET. SUITE 2535. DALLAS, TX 75202-3994 SEE BACK COVER FOR INFORMATION CONCERNING HOW TO OBTAIN ADDITIONAL COPIES OF THISPUBLICATION.

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Users of this publication should become completely familiar with its scope and content. This publication is intended to supplement rather than replace individual engineering judgment.

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OFFICIAL PUBLICATION

REO. U.S. PATENT OFFICE

Copyright 0 1991 American Petroleum Institute

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Amencan Petroleum Institute

API RECOMMENDED PRACTICE FOR DESIGN AND INSTALLATION OF OFFSHORE PRODUCTION PLATFORM PIPING SYSTEMS

SECTION 1 GENERAL 9 Scope 9 Code for Pressure . . 9Policy __ 9 Industry Codes, Guides and 9 9 American .Iron and Steel Institute American National Standards Institute 9 American Petroleum Institute 10 American Society for Testing and Materials 10 American Society of Mechanical Engineers 10 National Association of Corros!on Engineers 10 10 National Fire Protection Association . . Gas Processors SuppliersAssociation-----------------------------------------. 10 Hydraulics Institute 10 Governmental Rules and Regulations 10 Demarcation Between Systems with Different Pressure Ratings-_ 11 Corrosion 13 General 13 Weight Loss Corrosion 13 Sulfide Stress ._ 13 Chloride Stress 13 Application of NACE MR-01-75 13
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SECTION 2 PIPING DESIGN I-_.. 14Pipe 14 Non-Corrosive Hydrocarbon. Service 14 Corrosive Hydrocarbon 14 Sulfide Stress Cracking 14 .. . Utilities Service 14 Tubing 1 14 Sizing Criteria General______.-___-_---~--_-----------------------------_----.. . . . . . 14 Slung Critena for Liquid 15 General 15 .. 15 Pump Piping 21 Sizing Criteria for Single-phase Gas Lines 21 General Pressure Drop Equation .. Empirical Pressure Drop 21 GasVelocity Equation __________________________________ 22 .. Compressor Piping .______________________l____l___________---------------------23 General Notes 23 Sizing Criteria for Gasniquid Two-Phase Lines 23 Erosional Velocity __-___-________________________ 23 .. Minimum Velocity 23 Pressure Drop 23 Pipe Wall Thicknesses 25 Joint Connections . .. 25 Expansion and. Flexibility . 25 Start-upProvisions 25 References 26

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Copyright American Petroleum Institute Provided by IHS under license with API No reproduction or networking permitted without license from IHS

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Page POLICY ________________-__-_____________________________________--------------------6 FOREWORD 7 DEFI"IONS 7 SYMBOLS 8

TABLE OF CONTENTS

RP 14E: OffshoreProduction Platform Piping Systems

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TABLE OF CONTENTS (Continued) SECTION 3 SELECTION OF VALVES General Types of Valves Ball Valves Gate Valves Plug Butterfly Globe Valves Diaphragm (Bladder) Needle Valves...