Metalliteollisuuden Standardisointiyhdistys

Komitea: CEN/TC 235 (Gas pressure regulators and associated safety devices for use in gas transmission and distribution)
Alkuperä: CEN
Määräpäivä: 2023-02-23
LaajennaSupista
 
This European Standard specifies constructional, functional, testing, marking, sizing and documentation requirements of gas pressure regulators:- for inlet pressures up to 100 bar and nominal diameters up to DN 400;- for an operating temperature range from - 20 °C to +60 °C,which operate with fuel gases of the 1st and 2nd family as defined in EN 437:2003+A1:2009, used in the pressure regulating stations in accordance with EN 12186 or EN 12279, in transmission and distribution networks and also in commercial and industrial installations."Gas pressure regulators" hereafter will be called "regulators" except in the titles.For standard regulators when used in pressure regulating stations complying with EN 12186 or EN 12279, the Annex ZA lists all applicable essential safety requirements of the European legislation on pressure equipment except external and internal corrosion resistance for applications in corrosive environment.This document considers the following temperature classes/types of regulators:- temperature class 1: operating temperature range from -10 °C to 60 °C;- temperature class 2: operating temperature range from -20 °C to 60 °C;- type IS: (integral strength type);- type DS: (differential strength type).This document applies to regulators which use the pipeline gas as a source of control energy unassisted by any external power source.The regulator may incorporate a second regulator, used as monitor, complying with the requirements in this document.The regulator may incorporate a safety shut off device (SSD) complying with the requirements of EN 14382.The regulator may incorporate a creep (venting) relief device, complying with the requirements in Annex E and/or a vent limiter, complying with the requirements in Annex I.This document does not apply to:- regulators upstream from/on/in domestic gas-consuming appliances which are installed downstream of domestic gas meters;- regulators designed to be incorporated into pressure control systems used in service lines ) with volumetric flow rate = 200 m3/h at normal conditions and inlet pressure = 5 bar;- regulators for which a specific document exists (e.g. EN 88-1 and EN 88-2, etc.);- industrial process control valves in accordance with EN 1349.The normative Annex G of this document lists some suitable materials for pressure bearing parts, inner metallic partition walls, auxiliary devices, integral process and sensing lines, connectors and fasteners. Other materials may be used when complying with the restrictions given in Table 5.Continued integrity of gas pressure regulators is ensured by suitable surveillance checks and maintenance. For periodic functional checks and maintenance it is common to refer to national regulations/standards where existing or users/manufacturers practices.This document has introduced the reaction of the pressure regulators to the specified reasonable expected failures in terms of "fail close" and "fail open" pressure regulator types, but it should be considered that there are other types of failures whose consequences can bring to the same reactions (these risks are covered via redundancy as per EN 12186) and that residual hazards will be reduced by a suitable surveillance in use / maintenance.In this document, both pressure regulators that can be classified as "safety accessories" by themselves (monitors) according to European legislation on pressure equipment as well as regulators that can be used to provide the necessary pressure protection through redundancy (e.g. pressure regulator with integrated safety shut-off device, pressure regulator + in-line monitor, pressure regulator + safety shut off device) are considered.The provisions in this document are in line with the state of art at the moment of writing.
Komitea: CEN/TC 163 (Sanitary appliances)
Alkuperä: CEN
Määräpäivä: 2023-02-23
LaajennaSupista
 
This European Standard specifies the functional requirements and test methods for bidets used for domestic purposes and made from either ceramics or stainless steel.All drawings are examples only, other forms are permissible.NOTE For the purposes of this standard the term ‘domestic purposes‘ includes use in hotels, accommodation for students, hospitals and similar buildings, except when special medical provisions are required.
Komitea: ISO/TC 8/SC 11 (Intermodal and Short Sea Shipping)
Alkuperä: ISO
Määräpäivä: 2023-02-23
LaajennaSupista
 
Komitea: ISO/TC 85/SC 5 (Nuclear installations, processes and technologies)
Alkuperä: ISO
Määräpäivä: 2023-02-24
LaajennaSupista
 
Komitea: ISO/TC 8/SC 6 (Navigation and ship operations)
Alkuperä: ISO
Määräpäivä: 2023-02-24
LaajennaSupista
 
Komitea: ISO/TC 159/SC 3 (Anthropometry and biomechanics)
Alkuperä: ISO
Määräpäivä: 2023-02-27
LaajennaSupista
 
Komitea: ISO/TC 153 (Valves)
Alkuperä: ISO
Määräpäivä: 2023-02-27
LaajennaSupista
 
This document applies to part-turn actuated valve assemblies comprising valve (e.g. ball valve, butterfly valve, and plug valve), actuator and, when required, an intermediate support supplied as a package. It defines the design considerations necessary for automating valves, the responsibilities for the information required and tasks to be completed, to ensure suitable actuator sizing, selection and assembly on the valve. It applies to pneumatic, hydraulic, electro-hydraulic, and electric actuators. An electric actuator coupled to a gearbox, as defined in ISO 5211, is included in the scope of this document. Lever or manual gearbox operated valves are excluded. Control valves are excluded from this document.
Komitea: ISO/TC 20/SC 16 (Unmanned aircraft systems)
Alkuperä: ISO
Määräpäivä: 2023-03-01
LaajennaSupista
 
Standardi ehdotetaan vahvistettavaksi myös kansallisena SFS-ISO-standardina. This document specifies test methods to determine the ability of UAS operation at low air pressure conditions. It is acceptable for the evaluation of functional requirements and could be used as part of environmental tests at a subsystem and equipment level. This document is applicable to the category of civil lightweight and small UAS, which applies to maximum take-off mass(MTOM) level II through V according to ISO 21895. It is developed for the vast majority of mass-produced UAS operating in the natural atmosphere. Other elements of the UAS, for example personnel, may also adversely affect low pressure performance. Although they are not addressed by this document, they should be taken into consideration when determining operational suitability.
Komitea: ISO/TC 107 (Metallic and other inorganic coatings)
Alkuperä: ISO
Määräpäivä: 2023-03-01
LaajennaSupista
 
Komitea: ISO/TC 299 (Robotics)
Alkuperä: ISO
Määräpäivä: 2023-03-03
LaajennaSupista
 
Komitea: ISO/TC 96/SC 5 (Use, operation and maintenance)
Alkuperä: ISO
Määräpäivä: 2023-03-06
LaajennaSupista
 
Komitea: ISO/TC 96/SC 10 (Design principles and requirements)
Alkuperä: ISO
Määräpäivä: 2023-03-06
LaajennaSupista
 
Komitea: ISO/TC 23/SC 3 (Safety and comfort)
Alkuperä: ISO
Määräpäivä: 2023-03-07
LaajennaSupista
 
Komitea: ISO/TC 213 (Dimensional and geometrical product specifications and verification)
Alkuperä: ISO
Määräpäivä: 2023-03-08
LaajennaSupista