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Mechanical vibration. Rotor balancing. Susceptibility and sensitivity of machines to unbalance.

Mechanical vibration. Rotor balancing. Criteria and safeguards for the insitu balancing of medium and large r…

Mechanical vibration — Rotor balancing — Part 11: Procedures and tolerances for rotors with rigid behaviour —…

Overview ISO 21940-11:2016/Amd 1:2022 is an important amendment to the international standard focusing on mechanical vibration and rotor balancing. Specifically, it addresses the procedures and toler…

Mechanical vibration — Rotor balancing — Part 14: Procedures for assessing balance errors — Amendment 1

Overview ISO 21940-14:2012/Amd 1:2022 is an amendment to the international standard focusing on mechanical vibration and rotor balancing. Specifically, it updates Part 14 of the ISO 21940 series, whi…

Solid biofuels - Simplified sampling method for small scale applications (ISO 21945:2020)

Overview EN ISO 21945:2020 (ISO 21945:2020) specifies a simplified sampling method for solid biofuels intended for small-scale applications and storages (main focus on storages ≤ 100 t). The standard…

Solid biofuels - Simplified sampling method for small scale applications (ISO 21945:2020)

Overview EN ISO 21945:2020 (ISO 21945:2020) specifies a simplified sampling method for solid biofuels intended for small-scale applications and storages (main focus on storages ≤ 100 t). The standard…

Industrial screens -- Woven wire cloth, perforated plate and electroformed sheet -- Designation and nominal s…

Overview SIST ISO 2194:1999 is an international standard developed by the International Organization for Standardization (ISO) that specifies the designation and nominal sizes of openings for industr…

Station uniform for firefighters — Amendment 1

Overview ISO 21942:2019/Amd 1:2024 is the latest amendment to the international standard for station uniforms for firefighters, published by the International Organization for Standardization (ISO).…

Coated abrasives. Plain sheets with holes for dust extraction

1 Scope This International Standard specifies the nominal dimensions, tolerances and designation of the active surface of plain sheets with holes for dust extraction. Extra length has to be taken int…

Mechanical vibration. Rotor balancing - Description and evaluation of balancing machines

1 Scope This part of ISO 21940 specifies requirements for evaluating the performance of machines for balancing rotating components by the following tests: a) test for minimum achievable residual unba…

Mechanical vibration — Rotor balancing — Part 32: Shaft and fitment key convention

Overview ISO 21940-32:2012 - "Mechanical vibration - Rotor balancing - Part 32: Shaft and fitment key convention" specifies a standardized half-key convention for balancing keyed rotor assemblies. Th…

Mechanical vibration — Rotor balancing — Part 13: Criteria and safeguards for the in-situ balancing of medium…

Overview ISO 21940-13:2012 - Mechanical vibration - Rotor balancing - Part 13 provides criteria and safeguards for the in-situ balancing of medium and large rotors installed in their own bearings on…

Mechanical vibration — Rotor balancing — Part 21: Description and evaluation of balancing machines

Overview - ISO 21940-21:2022 (Rotor balancing machines) ISO 21940-21:2022 specifies requirements for the description and evaluation of balancing machines used in rotor balancing. It applies to both h…

Mechanical vibration — Rotor balancing — Part 11: Procedures and tolerances for rotors with rigid behaviour

Overview ISO 21940-11:2016 - "Mechanical vibration - Rotor balancing - Part 11: Procedures and tolerances for rotors with rigid behaviour" defines procedures and unbalance tolerances for balancing ro…

Mechanical vibration — Rotor balancing — Part 14: Procedures for assessing balance errors

Overview ISO 21940-14:2012 - "Mechanical vibration - Rotor balancing - Part 14: Procedures for assessing balance errors" defines procedures to identify, assess and account for errors in rotor unbalan…

Station uniform for firefighters

Overview ISO 21942:2019 - Station uniform for firefighters - sets minimum performance and design requirements for agency‑issued station uniforms (station wear) intended to be worn under primary prote…

Mechanical vibration — Rotor balancing — Part 2: Vocabulary

Overview ISO 21940-2:2017 is an international standard titled "Mechanical vibration - Rotor balancing - Part 2: Vocabulary", published by ISO. This standard systematically defines terminology related…

Wire screens and plate screens for industrial purposes — Nominal sizes of apertures

Coated abrasives — Plain sheets

Overview ISO 21948:2001 - Coated Abrasives - Plain Sheets defines the nominal dimensions, tolerances, active surface designations, and marking requirements for plain sheets of coated abrasives. This…

Mechanical vibration — Rotor balancing — Part 12: Procedures and tolerances for rotors with flexible behaviour

Overview ISO 21940-12:2016 - Mechanical vibration - Rotor balancing - Part 12: Procedures and tolerances for rotors with flexible behaviour - provides practical guidance for balancing rotors that exh…

Coated abrasives — Plain sheets with holes for dust extraction

Overview ISO 21949:2024 - Coated abrasives - Plain sheets with holes for dust extraction defines the nominal dimensions, tolerances and designation of plain abrasive sheets with holes designed for du…

Industrial screens — Woven wire cloth, perforated plate and electroformed sheet — Designation and nominal siz…

Overview ISO 2194:1991 is an international standard developed by the International Organization for Standardization (ISO) that specifies the designation and nominal sizes of openings for industrial s…

Mechanical vibration — Rotor balancing — Part 1: Introduction

Overview ISO 21940-1:2019 - "Mechanical vibration - Rotor balancing - Part 1: Introduction" provides a concise, authoritative introduction to rotor balancing technology and to the wider ISO 21940 ser…

Solid biofuels — Simplified sampling method for small scale applications

Overview ISO 21945:2020 - "Solid biofuels - Simplified sampling method for small scale applications" provides standardized, practical procedures for taking representative samples of solid biofuels in…

Mechanical vibration — Rotor balancing — Part 23: Enclosures and other protective measures for the measuring…

Overview ISO 21940-23:2012 - Mechanical vibration - Rotor balancing - Part 23 - specifies safety requirements for enclosures and other protective measures at the measuring station of centrifugal (rot…

Mechanical vibration — Rotor balancing — Part 31: Susceptibility and sensitivity of machines to unbalance

Overview ISO 21940-31:2013 - Mechanical vibration - Rotor balancing - Part 31: Susceptibility and sensitivity of machines to unbalance - specifies methods to determine a machine’s vibration sensitivi…

Coated abrasives — Plain sheets with holes for dust extraction

Overview ISO 21949:2001 is an international standard published by the International Organization for Standardization (ISO) that defines specifications for coated abrasive plain sheets with holes desi…

Mechanical vibration — Rotor balancing — Part 21: Description and evaluation of balancing machines

Mechanical vibration. Rotor balancing. Enclosures and other protective measures for the measuring station of…

Mechanical vibration. Rotor balancing. Shaft and fitment key convention.

Mechanical vibration. Rotor balancing. Procedures and tolerances for rotors with flexible behaviour.

Mechanical vibration. Rotor balancing. Introduction.

Mechanical vibration. Rotor balancing. Description and evaluation of balancing machines.

Mechanical vibration. Rotor balancing. Vocabulary.

Coated abrasives. Plain sheets.

Solid biofuels. Simplified sampling method for small scale applications.

Coated abrasives. Plain sheets with holes for dust extraction.