Normy

Obsah

ČSN EN 13942 Tato mezinárodní norma stanovuje požadavky a poskytuje doporučení pro návrh, výrobu, zkoušení a dokumentaci kulových ventilů, zpětných ventilů, šoupátek a uzavíracích ventilů pro použití v potrubních systémech, které splňují požadavky normy ISO 13623 pro ropný a plynárenský průmysl. Tato mezinárodní norma není použitelná pro podmořské potrubní ventily, protože jsou pokryty samostatnou mezinárodní normou (ISO 14723). Tato mezinárodní norma neplatí pro ventily pro jmenovité tlaky vyšší než PN 420 (třída 2 500). Pozemní zásobovací systémy používané v plynárenském průmyslu jsou z oblasti působnosti této normy vyloučeny.

Obsah

ČSN EN 17645 This document specifies the design and use requirements, the test methods and the scales of classification of the environmental performance when using a domestic swimming pool. This document is applicable to outdoor pools, as defined in EN 16582 (all parts), intended to be permanently installed, and shall be read jointly with the latter. This document allows the evaluation of the environmental performance efficiency of the use of domestic swimming pools. NOTE 1 - This document only covers the operational phase of the basin. All the other stages of the product life cycle, such as the extraction of resources, the acquisition of raw materials, production, distribution, use and end-of- life processing, including final disposal, are not covered by this document. This document does not apply to: - domestic indoor swimming pools and their specific functions of buildings housing such as air treatment or the lighting or insulation of the buildings, etc.; - domestic spas covered by EN 17125, or their specific equipment; - swimming pools for public use covered by EN 15288-1, or their specific equipment; - spas for public use, or their specific equipment; - mini-pools covered by EN 16927, or their specific equipment; - paddling pools covered by EN 71-1 and EN 71-8, or their specific equipment; - non-permanently installed pools covered by EN 16582 (all parts). NOTE 2 - This document does not cover non-permanently installed pools, due to the fact that absolute majority of these types of pools are not equipped with heating, and are operated and used only for relatively short time periods (range of 3-4 months). Moreover, the power consumption of pumps used are usually low (range of less than 1 kWh per day). Nevertheless, to ensure a future objective comparison also with these types of pools and other permanently installed pools, a calculation method for non-permanently installed pools will be established and considered in the next revision of this document. This document also does not apply to the following equipment: - personal hygiene devices, such as showers or footbaths, or their specific equipment; - devices for water features, such as water play equipment or fountains, or their corresponding specific equipment (dedicated pumps, etc.).

Obsah

ČSN EN 14344 Tento dokument stanovuje požadavky pro dětské sedačky určené k namontování na jízdní kola a kola s pomocným elektrickým pohonem s maximální rychlostí do 25 km/h (tj. podle normy EN 15194), jejich upevňovací systém a příslušenství určené k připevnění k sedačce pro přepravu dětí s hmotností od 9 kg do 22 kg, které jsou schopny sedět bez pomoci. POZNÁMKA 1 - Některé evropské země mají zvláštní právní předpisy pro dětské sedačky pro jízdní kola. Shoda s tímto dokumentem nemusí znamenat splnění těchto právních předpisů. POZNÁMKA 2 - Pokud má dětská sedačka nebo některá její část více funkcí nebo může být přeměněna na jinou funkci, mohou se použít jiné příslušné normy. POZNÁMKA 3 - V příloze E jsou uvedena další zdůvodnění pro zahrnutí některých požadavků uvedených v tomto dokumentu.

Obsah

ČSN EN IEC 61400-12-2 ed. 2 This part of IEC 61400-12 specifies a procedure for verifying the power performance characteristics of a single electricity-producing, horizontal axis wind turbine that is not considered to be a small wind turbine per IEC 61400-2. It is expected that this document be used when the specific operational or contractual specifications do not comply with the requirements set out in IEC 61400-12-1. The procedure can be used for power performance evaluation of specific turbines at specific locations, but equally the methodology can be used to make generic comparisons between different turbine models or different turbine settings. The purpose of this document is to provide a uniform methodology of measurement, analysis, and reporting of power performance characteristics for individual electricity producing wind turbines utilising nacelle-anemometry methods. This document is intended to be applied only to horizontal axis wind turbines of sufficient size that the nacelle-mounted anemometer does not significantly affect the flow through the turbine's rotor and around the nacelle and hence does not affect the wind turbine's performance. The intent of this document is that the methods presented in this document be utilised when the requirements set out in IEC 61400-12-1 are not feasible. This will ensure that the results are as consistent, accurate, and reproducible as possible within the current state of the art for instrumentation and measurement techniques. This document describes how to characterise a wind turbine's power performance in terms of a measured power curve and the estimated AEP. Guidance on uncertainty considerations relating to the power performance of the sample of turbines tested relative to the power performance of all turbines in a wind farm is provided. Guidance on the evaluation of the combined uncertainty for the case where multiple turbines are tested is also provided.

Obsah

ČSN EN IEC 62271-203 ed. 3 Tato část IEC 62271 stanoví požadavky na plynem izolované kovově kryté rozváděče vnitřního a venkovního provedení na střídavý proud pro napětí vyšší než 52 kV a pro provozní kmitočty do 60 Hz včetně, jejichž izolaci tvoří alespoň z části izolační plyn nebo směs plynu jiná než vzduch o atmosférickém tlaku. Plynem izolované kovově kryté rozváděče odpovídající této normě sestávají z jednotlivých součástí konstruovaných pro přímé spojení mezi sebou a schopných správné funkce pouze v této sestavě. Tento dokument doplňuje a mění, pokud je to nutné, jiné normy platné pro jednotlivé součásti tvořící GIS.

Obsah

ČSN EN 17020-2(73 0871) This document prescribes the methodology for extending the application of test results obtained from durability of self-closing test(s), see EN 12605:2000. Subject to the completion of the appropriate durability of self-closing test or tests, the extended application could cover all or some of the following non-exhaustive list: - shutter curtain; - wall or ceiling fixed elements (frame or suspension system); - items of building hardware; - decorative finishes; - intumescent or non-intumescent (e.g. smoke, draught) seals; - alternative supporting construction(s).

Obsah

ČSN ETSI EN 303 132 V2.1.1 The present document specifies technical characteristics and methods of measurements for Maritime Survivor Locating Devices (MSLDs) (man overboard devices) employing class M DSC signalling and AIS position locating signalling according to ETSI EN 300 338-6 [1], on the VHF maritime channels 70, AIS 1 and AIS 2. Class M MSLD (man overboard devices) are included in group A Autonomous Maritime Radio Devices (AMRDs) according to Recommendation ITU R M.2135.0 [i.6]. The present document incorporates the relevant provisions of the International Telecommunication Union (ITU) radio regulations [i.4] included in Recommendation ITU R M.493 15 [2] and Recommendation ITU R M.1371-5 [i.7]. The present document does not provide technical requirements for conformance with the essential requirements of Directive 2014/53/EU [i.1] for any integrated GNSS receiver providing locating function. NOTE - The relationship between the present document and essential requirements of article 3.2 and 3.3(g) of Directive 2014/53/EU [i.1] is given in annex A.

Obsah

ČSN ETSI EN 303 980 V1.3.1 The present document specifies technical characteristics and methods of measurements for fixed and in-motion Earth Stations communicating with non-geostationary satellite systems (NEST) in the 11 GHz to 14 GHz FSS frequency bands, which have the following characteristics: - The NEST is designed for both in-motion and stationary operation. - The NEST operates in-motion on various platforms such as trains, maritime vessels, aircraft and other vehicles and, therefore, may be subject to occasional disturbances and interruptions in the satellite link. - The NEST is operating as part of a satellite system used for the provision of broadband communications. - The NEST is comprised of all the equipment, electrical and mechanical, from the antenna itself to the interface with other communications equipment on a mobile platform. - The NEST comprises one or more emitters and the system overview as given in Figure 1 should be interpreted accordingly. - The transmit and receive frequencies are shown in Table 1. - The NEST transmits within the frequency range from 14,0 GHz to 14,50 GHz. The NEST transmits at elevation angles of 35° or greater, relative to the horizontal plane. - The NEST receives within the range from 10,70 GHz to 12,75 GHz. - The NEST uses linear or circular polarization. - The NEST communicates with non-geostationary satellites. - The NEST is designed for unattended operation. - The NEST is controlled and monitored by a Network Control Facility (NCF). The NCF is outside the scope of the present document. The present document applies to the NEST with its ancillary equipment and its various telecommunication ports, and when operated within the boundary limits of the operational environmental profile as declared by the manufacturer and when installed as required by the manufacturer's declaration or in the user documentation. NOTE - The relationship between the present document and essential requirements of article 3.2 of Directive 2014/53/EU [i.6] is given in annex A.

Obsah

ČSN ETSI EN 303 981 V1.3.1 The present document specifies technical characteristics and methods of measurements for fixed and in-motion Earth Stations communicating with non-geostationary satellite systems (WBES) in the 11 GHz to 14 GHz FSS frequency bands, which have the following characteristics: - The WBES is further defined as one of two classes of Earth stations, class A and class B. The clauses in the present document apply to both classes unless separately delineated. - The WBES is designed for both in-motion and stationary operation. - The WBES operates in-motion on various platforms such as trains, maritime vessels, aircraft and other vehicles and, therefore, may be subject to occasional disturbances and interruptions in the satellite link. - The WBES is operating as part of a satellite system used for the provision of broadband communications. - The WBES is comprised of all the equipment, electrical and mechanical, from the antenna itself to the interface with other communications equipment on a mobile platform. - The WBES comprises one or more emitters and the system overview as given in figure 1 should be interpreted accordingly. - The transmit and receive frequencies are shown in table 1. - The WBES transmits within the frequency range from 14,0 GHz to 14,50 GHz. - The WBES receives within the range from 10,70 GHz to 12,75 GHz. - The Class A WBES transmits at elevation angles of 35° or greater, relative to the horizontal plane. - The Class B WBES transmits at elevation angles of 25° or greater, relative to the horizontal plane. - The WBES uses linear or circular polarization. - The WBES communicates with non-geostationary satellites. - The WBES is designed for unattended operation. - The WBES is controlled and monitored by a Network Control Facility (NCF). The NCF is outside the scope of the present document. The present document applies to the WBES with its ancillary equipment and its various telecommunication ports, and when operated within the boundary limits of the operational environmental profile as required by its intended use and when installed as required by the intended use or in the user documentation. NOTE - The relationship between the present document and essential requirements of article 3.2 of Directive 2014/53/EU [i.1] is given in annex A.

Obsah

ČSN P CEN ISO/TS 23302 This document specifies requirements and recommendations for the identification of measurands to characterize nano-objects and their agglomerates and aggregates, and to assess specific properties relevant to the performance of materials that contain them. It provides recommendations for relevant measurement.

Obsah

ČSN EN 298 ed. 3 EN 13611:2019, Clause 1 is replaced by the following: This document specifies the safety, design, construction and performance requirements, and testing for automatic burner control systems, programming units, flame detector devices and High Temperature Operation (HTO) detectors, intended for use with gas and oil burners and gas and oil burning appliances, with or without fans and similar use. This document is applicable to automatic burner control systems that include additional functions. This document is not applicable to automatic burner control systems utilizing thermo-electric flame supervision devices. NOTE - Standards for burners, appliances or processes which use automatic burner control systems, programming units, flame detectors or HTO detectors can override the requirements of this document.

Obsah

ČSN EN 12067-2 ed. 2 EN 13611:2019, Clause 1 is replaced by following: This document specifies the safety, design, construction and performance requirements, and testing for valve-proving systems, hereafter referred to as "VPS", intended for use with gas burners and gas-burning appliances burning one or more gaseous fuels. This document applies to all types of VPS used for the automatic detection of leakage in a gas burner section having at least two automatic shut-off valves, and which give a signal if the leakage of one of the valves, the piping in-between the valves or of the VPS itself and its components exceeds the detection limit. This document applies to VPS for gases with a maximum inlet pressure up to and including 500 kPa. This document does not apply to VPSs for use in explosive atmospheres. This document is applicable to AC and DC supplied VPS (for VPS supplied by stand-alone battery system, battery systems for mobile applications, or VPS which are intended to be connected to DC supply networks, see Annex I).