. "NPS 3 1/2 ARTEFACT" . "2012.05.27" . "NPS 3 1/2 ARTEFACT" . "RDS" . "Recorded" . "mvsen" . "A 'standard size artefact' where one of the ends is NPS 3 1/2. In this case the dimensions are determined from the fact that the pipes, valves and fittings are intended to be insstalled in a system where the pipes are according to ASME B36.10/B36.19." . "RDS20863408333" . "mvsen" .