Industrial-process control valves - Part 4: Inspection and routine testing
IEC 60534-4:2021 specifies the requirements for the inspection and routine testing of control valves manufactured in conformity with the other parts of IEC 60534. This document is applicable to valves with pressure ratings not exceeding Class 2500. The requirements for actuators apply only to pneumatic actuators. This document does not apply to the types of control valves where radioactive…
Railway applications - Current collection systems - Pantographs, testing methods for contact strips
IEC 62499:2021 gives rules for testing methods for newly manufactured pantographs contact strips. Not all tests may be relevant to some designs of contact strips. This document excludes tests using a particular pantograph. Additional supplementary tests, out of the scope of this document, may be necessary to determine suitability for a particular application and are by prior agreement between…
Thermal standardization on semiconductor packages - Part 1: Thermal resistance and thermal parameter...
IEC TR 63378-1:2021(E) specifies the terms and definitions that are commonly used for thermal characteristics of BGA and QFP type semiconductor packages, and guidelines to use these thermal characteristics.
Household and similar electrical appliances - Safety - Part 2-36: Particular requirements for commer...
IEC 60335-2-36:2021 deals with the safety of electrically operated commercial cooking and baking ranges, ovens, hobs, hob elements and similar appliances, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances.
These appliances are not intended for household and similar purposes. They are used for…
Household and similar electrical appliances - Safety - Part 2-64: Particular requirements for commer...
IEC 60335-2-64:2021 deals with the safety of electrically operated commercial kitchen machines, their rated voltage being not more than 250 V for single phase appliances connected between one phase and neutral, and 480 V for other appliances including direct current (DC) supplied appliances and battery operated appliances.
These appliances are not intended for household and similar purposes.…
Household and similar electrical appliances - Safety - Part 2-36: Particular requirements for commer...
IEC 60335-2-36:2021 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60335-2-36:2021 edition 7.0 and the previous IEC 60335-2-36:2017 edition 6.0. Futhermore, comments from IEC TC 61 experts are provided to explain the reasons of the most relevant changes.
IEC 60335-2-36:2021…
Household and similar electrical appliances - Safety - Part 2-64: Particular requirements for commer...
IEC 60335-2-64:2021 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60335-2-64:2021 edition 4.0 and the previous IEC 60335-2-64:2002+AMD1:2007+AMD2:2017 CSV edition 3.2. Futhermore, comments from IEC TC 61 experts are provided to explain the reasons of the most relevant changes…
Standard for Fuel Tank Accessories for Flammable and Combustible Liquids
1 Scope
1.1 These requirements cover mechanical type accessories that are typically intended for attachment to
storage tanks or connecting pipe for flammable and combustible liquids in commercial (public) or private
(fleet) automotive fueling station and similar storage or dispensing applications and are designed to
provide automatic safety or operational functions.
1.2 These products may be…
Information technology — Digitally recorded media for information interchange and storage — 120 mm t...
This document specifies the mechanical, physical and optical characteristics of a 120 mm rewritable optical disk with a capacity of 100,0 Gbytes. It specifies the quality of the recorded and unrecorded signals, the format of the data and the recording method, thereby allowing for information interchange by means of such disks. User data can be written, read and overwritten many times using a…
Aerospace — Omega clamps (saddle clamps) for fluid systems — Dimensions
This document specifies maximum and minimum dimensions for omega clamps (saddle clamps) installed by means of two bolts with nominal diameters of 5 mm.
The specified dimensions define a dimensional envelope. This document is not an interchangeability standard. The tolerances for each type of clamp are defined in the drawings in the standards for parts.