Industrial-process control valves - Part 8: Noise considerations; section 4: Prediction of noise generated by hydrodynamic flow (IEC 60534-8-4:1994); German version EN 60534-8-4:1994— 11 стр.
Industrial-process control valves - Part 8: Noise considerations; section 3: Control valve aerodynamic noise prediction method (IEC 60534-8-3:1995); German version EN 60534-8-3:1995
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.
Industrial-process control valves - Part 1: Control valve terminology and general considerations (IEC 60534-1:1987); German version EN 60534-1:1993— 11 стр.
Basic environmental testing procedures - Part 2: Tests; test Ec: Drop and topple, primarily for equipment-type specimens (IEC 60068-2-31:1969 + A1:1982); German version EN 60068-2-31:1993— 6 стр.
Environmental testing - Part 2: Tests; test Fc: Vibration (sinusoidal) (IEC 60068-2-6:1995 + Corrigendum 1995); German version EN 60068-2-6:1995— 26 стр.