MSS SP 131:2010
MSS SP 131:2010 Metallic Manually Operated Gas Distribution Valves Gives a Standard Practice for metallic valves used in fuel gas piping systems which are manually operated both above and below ground.
Table of Contents
PURPOSE1SCOPE
2DEFINITIONSANDABBREVIATIONS
3DOCUMENTATION
4CONSTRUCTION
5DESIGNQUALIFICATIONREQUIREMENTS
6PRODUCTIONTESTINGREQUIREMENTS
7PACKAGINGANDSHIPPING
8INSTALLATIONINSTRUCTIONS
ANNEXA-Two(2)InchSquareOperatingNuts
ANNEXB-OperatingTorque,FlowCapacity,andFlow
Coefficiency-TablesB1,B2,andB3
ANNEXC-ReferencedStandardsandApplicableDates