Water conditioning equipment inside buildings. Mechanical filters. Particle rating 1 $Gmm to less than 80 $Gmm. Requirements for performance, safety and testing— 60 стр.
Fluid power systems and components -- Graphical symbols and circuit diagrams -- Part 1: Graphical symbols for conventional use and data-processing applications -- Amendment 1— 8 стр.
Acoustics. Laboratory tests on noise emission from appliances and equipment used in water supply installations. Mounting and operating conditions for in-line valves and appliances— 18 стр.
