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Scope 1.2.1 Description Devices covered by this standard are pilot operated, diaphragm types. Devices shall be permitted to have a strainer connected to the valve inlet or be without strainer. 1.2.2 Size Range Nominal device sizes shall be 32 mm through 300 mm (1¼ through 12 inches). 1.2.3 Pressure Range Devices shall be designed for a minimum working pressure of 1723.8 kPa (250.0 psi). 1…

IEC 60127-8:2018+AMD1:2024 CSV relates to fuse resistors with particular overcurrent protection rated up to AC 500 V and/or DC 500 V for printed circuits and other substrate systems, used for the protection of electric appliances, electronic equipment and component parts thereof, normally intended to be used indoors. It does not apply to fuse resistors with particular overcurrent protection for…

IEC TS 62607-9-2:2024, which is a Technical Specification, establishes a standardized method to determine the key control characteristic • magnetic field distribution of nanomagnetic materials, structures and devices by the • magneto-optical indicator film technique. The magnetic field distribution is derived by utilizing a magneto optical indicator film, which is a thin film of magneto-optic…

This document specifies the requirements and test methods for protective gloves intended to protect the user against micro-organisms. NOTE            If other protection features are needed, e.g. chemical risks, mechanical risks, thermal risks, electrostatic dissipation etc., the appropriate specific performance standard is used in addition. Further information on protective gloves standards can…

This document presents the requirements and recommendations for the management of systems engineering for space systems. This document addresses the systems engineering activities and provides guidelines for interfacing with specific major management subjects (e.g. configuration management, data management, interface management, risk management, requirements management, and integrated logistics…

IEC SRD 63476-1:2024 provides a gap analysis on ontology relevant standards for smart city systems to be used as a base document for mapping, developing and maintaining a set of ontology standards for smart city systems. Ontology is becoming a key subject in the world of big data, AI, IoT, and smart city system standards. The following benefits of ontology are recognized as important with…

IEC 60404-1-1:2004+AMD1:2024 CSV establishes a classification of surface insulations for electrical steel sheet, strip and laminations according to their general composition, relative insulating ability and function. These surface insulations are either oxide layers or applied coatings. The purpose of this classification is to create a nomenclature for the various types of surface insulations and…

This pack contains IEC 60335-2-25:2024 EXV and IEC 60355-2-25:2024 RLV. IEC 60335-2-25:2024 deals with the safety of microwave ovens for household and similar use, their rated voltage being not more than 250 V including direct current (DC) supplied appliances and battery-operated appliances. This standard also deals with combination microwave ovens, for which normative Annex AA is applicable.…

This pack contains IEC 60335-2-90:2024 EXV and IEC 60355-2-90:2024 RLV. IEC 60335-2-90:2024 deals with: - the safety of microwave ovens with a cavity door intended for commercial use, 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…

This pack contains IEC 60335-2-110:2024 EXV and IEC 60355-2-110:2024 RLV. IEC 60335-2-110:2024 deals with the safety of microwave appliances intended for commercial use, 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. As far as is practicable, this standard deals with the common hazards presented…