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1 Scope 1.1 This Standard applies to metallic (copper, steel, stainless steel, and malleable iron) press-connect type fittings, and valves (hereafter referred to as fittings unless otherwise specified) for use with fuel gas systems intended for installation above ground, below ground, indoors, and outdoors. 1.2 This Standard applies to fuel gas systems rated for operating pressures not…

1 Scope 1.1 This Standard applies to newly produced gas appliance thermostats of the integral gas valve type having a maximum operating gas pressure of 1/2 psi (3.5 kPa) or electric type (see Clause 3), constructed entirely of new, unused parts and materials. This Standard does not apply to an electric type comfort heating thermostat (wallmounted) for installation remote from an appliance.…

IEC 60793-2-10:2019+A1:2022 is applicable to optical fibre sub-categories A1-OM1, A1-OM2, A1-OM3, A1-OM4, A1-OM5, and A1d. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables. Sub-categories A1-OM2, A1-OM3, A1-OM4 and A1-OM5 apply to 50/125 µm graded index fibre in four bandwidth grades. Each of these bandwidth grades is defined for two…

IEC 60034-18-32:2022 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 60034-18-32:2022 edition 2.0 and the previous IEC 60034-18-32:2010 edition 1.0. Futhermore, comments from IEC TC 2 experts are provided to explain the reasons of the most relevant changes. IEC 60034-18-32:…

This document specifies the technical delivery requirements for —    semi-finished products, hot formed (e.g. blooms, billets, slabs) (see NOTE 1), —    bars (see NOTE 1), —    wire rod, —    finished flat products, and —    hammer or drop forgings (see NOTE 1) manufactured from the case-hardening non-alloy or alloy steels listed in Table 3 and supplied in one of the heat-treatment conditions…

This document specifies a numbering system and registration procedure for identifying both healthcare application providers and health card holders in order to exchange information through the use of cards issued for healthcare services. This document focuses on the machine-readable cards of ID-1 type defined in ISO/IEC 7810 that are issued for healthcare services provided in a service area that…

IEC 60079-31:2022 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60079-31:2022 is applicable to equipment protected by enclosure and surface temperature limitation for use in…

1 Scope 1.1 Inclusions This Standard applies to the requirements for a WDM system which can be used in the PSO to address the health needs of workers in order to prevent and/or manage work disability. This Standard includes specific requirements and guidance related to the management work disabilities associated with operational stress injuries (OSI) and other mental health conditions that…

Scope This part of IEC 60871 is applicable to both capacitor units and capacitor banks intended to be used, particularly, for power-factor correction of a.c. power systems having a rated voltage above 1 000 V and frequencies of 15 Hz to 60 Hz. This part of IEC 60871 also applies to capacitors intended for use in power filter circuits. Additional definitions, requirements and tests for filter…

1 Scope 1.1 Product range This Standard specifies requirements for performance testing of solid-biofuel-burning heating appliances, including maximum emission rates. 1.2 Reporting metrics This Standard specifies a method for determining a) heat outputs; b) appliance efficiencies; c) emission levels and composition; and d) electrical energy consumption and production. 1.3 Product…