Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method (IEC 60534-8-3:2010); German version EN 60534-8-3:2011— 53 стр.
Industrial-process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow (IEC 60534-8-4:2015); German version EN 60534-8-4:2015— 35 стр.
Industrial-process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow (IEC 60534-8-4:2005 + Corrigendum 1:2006); German version EN 60534-8-4:2005— 28 стр.
