MSS SP-143-2018

MSS SP-143-2018

Live-Loaded Valve Stem Packing Systems

144,00 €

Détails

This Standard Practice establishes 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. It applies to valves with flexible graphite, polytetrafluoroethylene (PTFE), expanded polytetrafluoroethylene (ePTFE), or other packing stem seal material, regardless of frequency of operation.

This Standard Practice does not apply to valves that include a lantern ring(s) as part of its packing system or to self-energized packing.

Informations supplémentaires

Auteur Manufacturers Standardization Society of the Valve and Fittings Industry (MSS)
Edité par MSS
Type de document Norme
ICS 23.060.99 : Autres types de robinets
Nombre de pages 18
Remplace MSS SP-143-2012
Mot-clé MSS SP-143-2018
ANSI Approved