EntityQ1931528· pop 9· linked from 141 articlesNominal Pipe SizeSign in to saveNorth American set of standard sizes for pipesConnectionspipeEntityNational Pipe ThreadEntityInternational Standard Book NumberEntityWayback MachineEntitydigital object identifierEntitypolyvinyl chlorideEntityAmerican National Standards InstituteEntitywrought ironEntityASTM InternationalEntityAmerican Petroleum InstituteEntityBritish Standard PipeEntityStubs Iron Wire GaugeEntityfusion weldingEntitychlorinated polyvinyl chlorideEntityCopper tubingEntityCategoriesCustomary units of measurement in the United StatesMechanical standardsPiping