Metal ball valves for petroleum, petrochemical and allied industries Ingestion-build-54371 or actual quality level in

or actual quality level in the market-place is achieved with certainty

The principal guidance and bibliography have been updated in line with recent developments and publications since 2004

Update of the European foreword

labelling and information supplied by the manufacturer

Reference to non-contradictory complementary information

Metal ball valves for petroleum, petrochemical and allied industries Ingestion-build-54371 or actual quality level inWhat is this standard about? It establishes basic requirements and practices for flanged, butt welding, socket welding and threaded end steel ball valves having flow passageways identified as full bore, reduced bore and double reduced bore seat openings suitable for petroleum, petrochemical and allied industry applications. Who is this standard for? Specifiers, designers and manufacturers of metal ball valves. Why should you use this standard? It