Rotating mechanical seals for agitator shafts - Part 3: Connections for barries fluids, cooling, control and mounting and designation system for rotating mechanical seals— 16 стр.
Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000); German version EN ISO 228-1:2003— 11 стр.