MSS SP 143:2012

MSS SP 143:2012 Live-Loaded Valve Stem Packing Systems Describes the minimum requirements for the application, design and installation of live-loaded stem packing systems for valves designed in accordance with ASME B16.34, having rising and/or rotating st

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Table of Contents

1SCOPE
2DEFINITIONS
3APPLICATIONGUIDELINES
4DESIGNGUIDELINES
5PACKINGLOADDETERMINATION
6SPRINGSELECTION
7PACKINGINSTALLATION
8PRE-LOADINGLIVE-LOADEDSYSTEMS
ANNEXA-ReferencedStandardsandApplicableDates

Abstract

Describes the minimum requirements for the application, design and installation of live-loaded stem packing systems for valves designed in accordance with ASME B16.34, having rising and/or rotating stems.

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