Metal ball valves for petroleum, petrochemical and allied industries Ingestion-build-54371 Reference to non-contradictory complementary information

Reference to non-contradictory complementary information

ISO/IEC 27009 explains how to include requirements additional to those in ISO/IEC 27001

DD CEN/TS 15705 specifies methods for the determination of isobutylidenediurea (IBDU)

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

Metal ball valves for petroleum, petrochemical and allied industries Ingestion-build-54371 Reference to non-contradictory complementary informationWhat 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