Edge preparation for welding - Part 2: Matching of inside diameter for circumferential welds on seamless pipes
Edition 2007-09

Preparation of welds - Part 3: Matching of inside diameters for circumferential welds on welded pipes
Edition 2007-09

Preparation of welds; part 4: matching of inside diameters for circumferential welds on seamless pipes of stainless steels
Edition 1994-07

Flanged steel pipes and flanged steel or cast iron fittings with lining - PN 10, PN 25 and PN 40
Edition 2002-06

Flanged fitting pipes and flanged steel glass lined - PN 10 and PN 25
Edition 2002-06

Steel flanged pipes and steel and cast iron flanged fittings lined with PTFE or PFA - Technical specifications
Edition 2002-06

Flanged steel pipes and fittings with hard or soft rubber linings - Technical delivery conditions
Edition 2002-06

Application of cement mortar lining for cast iron pipes, steel pipes and fittings
Edition 1999-01

Hand-operated socket wrenches, square drive for hexagon screws
Edition 2007-11

Separable unthreaded pipe connections for metal gas pipes - Part 1: Connections for pipes with smooth ends
Edition 2008-11