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Industrial-process control valves - Part 8-4- Noise considerations - Prediction of noise generated by hydrodynamic flow. IEC 60534-8-4:2015-09(en-fr). Original standard IEC 60534-8-4-2015 in PDF full version. Additional info + preview on request

Document status: Active

Industrial-process control valves - Part 9- Test procedure for response measurements from step inputs. IEC 60534-9:2007. Original standard IEC 60534-9-2007 in PDF full version. Additional info + preview on request

Document status: Active

Corrigendum 1 - Industrial-process control valves - Part 9: Test procedure for response measurements from step inputs. Original standard IEC 60534-9-2007 cor1-2008 in PDF full version. Additional info + preview on request

Document status: Active

Jet fans and regulators. CEI/IEC 60535:1977. Original standard IEC 60535-1977 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Directly heated negative temperature coefficient thermistors - Part 1- Generic specification. IEC 60539-1:2022-12(en-fr). Original standard IEC 60539-1-2022 in PDF full version. Additional info + preview on request

Document status: Active

Directly heated negative temperature coefficient thermistors - Part 2- Sectional specification - Surface mount negative temperature coefficient thermistors. IEC 60539-2:2019-07(en-fr). Original standard IEC 60539-2-2019 in PDF full version. Additional info + preview on request

Document status: Active