Industrial-process control valves; part 8: noise considerations; section 2: laboratory measurement of noise generated by hydrodynamic flow through control valves (IEC 60534-8-2:1991); German version EN 60534-8-2:1993— 13 стр.
Industrial-process control valves - Part 8-1: Noise considerations - Laboratory measurement of noise generated by aerodynamic flow through control valves (IEC 60534-8-1:2005); German version EN 60534-8-1:2005— 18 стр.
Industrial-process control valves - Part 2: Flow capacity; section 1: Sizing equations for incompressible fluid flow under installed conditions (IEC 60534-2-1:1978); German version EN 60534-2-1:1993— 9 стр.
