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Viso rasta įrašų: 160

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prEN ISO 22744-1 Viešoji apklausa

Komentavimo iki data 2026-12-26

Tekstilė ir tekstilės gaminiai. Alavo organinių junginių nustatymas. 1 dalis. Gavimo metodas naudojant dujų chromatografiją (ISO/DIS 22744-1:2026)

This document specifies a test method for the qualification and quantification of organotin compounds. This test method is applicable to all types of materials of textile products. NOTE CEN/TR 16741 defines which materials are applicable to this determination.

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prEN ISO 22854 Viešoji apklausa

Komentavimo iki data 2026-12-26

Skystieji naftos produktai. Angliavandenilių tipų ir oksigenatų nustatymas automobiliniame benzine. Daugiamatės dujų chromatografijos metodas (ISO/DIS 22854:2026)

This document specifies the gas chromatographic (GC) method for the determination of saturated, olefinic and aromatic hydrocarbons in automotive motor gasoline, small engine petrol and ethanol (E85) automotive fuel. Additionally, the benzene and toluene content, oxygenated compounds and the total oxygen content can be determined. Although specifically developed for the analysis of automotive motor gasoline that contains oxygenates, this test method can also be applied to other hydrocarbon streams having similar boiling ranges, such as naphthas and reformates.

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prEN 10088-2 Viešoji apklausa

Komentavimo iki data 2026-12-24

Nerūdijantieji plienai. 2 dalis. Bendrosios paskirties korozijai atsparaus plieno lakštų ir (arba) plokščių ir juostų techninės tiekimo sąlygos

This document specifies the technical delivery conditions for hot or cold rolled sheet/plate and strip of standard grades and special grades of corrosion resistant stainless steels for general purposes. NOTE General purposes include the use of stainless steels in contact with foodstuffs. NOTE 2 General technical delivery conditions are also specified in EN 10021, in addition to the specifications of this document. This document does not apply to components manufactured by further processing of the product forms listed above with quality characteristics altered as a result of such further processing.

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prEN 10088-3 Viešoji apklausa

Komentavimo iki data 2026-12-24

Nerūdijantieji plienai. 3 dalis. Bendrosios paskirties korozijai atsparaus plieno pusgaminių, strypų, valcuotos ir šaltai trauktos vielos, profiliuočių ir šviesiųjų paviršių plieno gaminių techninės tiekimo sąlygos

This document specifies the technical delivery conditions for semi-finished products, hot or cold formed bars, rods, wire, sections and bright products of standard grades and special grades of corrosion resistant stainless steels for general purposes. NOTE 1 General purposes include the use of stainless steels in contact with foodstuffs. NOTE 2 For general technical delivery conditions, see EN 10021. This document does not apply to components manufactured by further processing of the product forms listed above with quality characteristics altered as a result of such further processing.

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prEN 10088-1 Viešoji apklausa

Komentavimo iki data 2026-12-24

Nerūdijantieji plienai. 1 dalis. Nerūdijančiųjų plienų sąrašas

This document lists the chemical composition of stainless steels, which are subdivided in accordance with their main properties into corrosion resistant steels, heat resistant steels and creep resistant steels (see Annex C) and specified in the European Standards given in Table 1. Table 1 — Overview of material standards for stainless steels (...) Reference data on some physical properties are given in Annex E, Tables E.1 to E.8. Empirical formulae for steel grade microstructure classification and pitting resistance ranking are given in Annex D. NOTE 1 A matrix that shows which steels are included in which standard is given in Annex B. NOTE 2 General purposes include the use of stainless steels in contact with foodstuffs. NOTE 3 Valve steels are specified in EN 10090. NOTE 4 Steel castings are specified in various European Standards (see Bibliography). NOTE 5 Tool steels are specified in EN ISO 4957. NOTE 6 Welding consumables are specified in various European Standards (see Bibliography).

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prEN 15328 Viešoji apklausa

Komentavimo iki data 2026-12-24

Geležinkelio taikmenys. Stabdymas. Stabdžių trinkelės

This document specifies requirements for pads for disc brakes of railway rolling stock. The document defines requirements and generic test programs for brake pads on dynamometer. This document does not cover mandatory tests to verify stopping distances in addition to laboratory, bench test and in-service tests. In order to qualify the brake pad performance in accordance with the classification the standard provides fixed parameter figures as categories defined in paragraph classification scheme. This document is not applicable for urban rail applications.

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prEN 12350-6 Viešoji apklausa

Komentavimo iki data 2026-12-24

Betono mišinio bandymai. 6 dalis. Tankis

This document specifies a method for determining the density of compacted fresh concrete both in the laboratory and in the field. It may not be applicable to very stiff concrete which cannot be compacted by normal vibration.

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prEN 12350-1 Viešoji apklausa

Komentavimo iki data 2026-12-24

Betono mišinio bandymai. 1 dalis. Ėminių ėmimas ir bendrosios priemonės

This document specifies two procedures for sampling fresh concrete, by composite sampling and by spot sampling. NOTE 1 The requirement for remixing the sample before tests on the fresh concrete, or before making test specimens, is included in the relevant standards. When mixing and sampling concrete is done in a laboratory, different procedures may be required. NOTE 2 In this case Clause 6, item g) applies. Additionally, this standard lists common apparatus mentioned in two or more standards of EN 12350 series and EN 12390-2.

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prEN ISO 17632 Viešoji apklausa

Komentavimo iki data 2026-12-24

Suvirinimo medžiagos. Elektrodinės miltelinės vielos, skirtos nelegiruotųjų ir smulkiagrūdžių plienų lankiniam suvirinimui apsauginėse dujose ir be jų. Klasifikavimas (ISO/DIS 17632:2026)

ISO 17632:2015 specifies requirements for classification of tubular cored electrodes with or without a gas shield for metal arc welding of non-alloy and fine grain steels in the as-welded condition or in the post-weld heat-treated condition with a minimum yield strength of up to 500 MPa or a minimum tensile strength of up to 570 MPa. One tubular cored electrode can be tested and classified with different shielding gases, if any. This International Standard is a combined specification providing classification utilizing a system based upon the yield strength and the average impact energy of 47 J of all-weld metal or utilizing a system based upon the tensile strength and the average impact energy of 27 J of all-weld metal. 1) Paragraphs and tables which carry the suffix letter "A" are applicable only to tubular cored electrodes classified to the system based upon the yield strength and the average impact energy of 47 J of all-weld metal in accordance with this International Standard. 2) Paragraphs and tables which carry the suffix letter "B" are applicable only to tubular cored electrodes classified to the system based upon the tensile strength and the average impact energy of 27 J of all-weld metal in accordance with this International Standard. 3) Paragraphs and tables which have neither the suffix letter "A" nor the suffix letter "B" are applicable to all tubular cored electrodes classified in accordance with this International Standard. It is recognized that the operating characteristics of tubular cored electrodes can be modified by the use of pulsed current, but for the purposes of this International Standard, pulsed current is not permitted for determining the electrode classification.

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prEN 15194 Viešoji apklausa

Komentavimo iki data 2026-12-24

Dviračiai. Dviračiai su elektros varikliu. EPAC dviračiai

This European Standard applies to EPAC bicycles for private and commercial use with exception of EPAC intended for hire from unattended station. This European Standard is intended to cover all common significant hazards, hazardous situations and events (see Clause 4) of electrically power assisted bicycles, when used as intended and under condition of misuse that are reasonably foreseeable by the manufacturer. This European Standard is intended to cover electrically power assisted bicycles of a type which have a maximum continuous rated power of 0,25 kW, of which the output is progressively reduced and finally cut off as the EPAC reaches a speed of 25 km/h, or sooner, if the cyclist stops pedalling. This European Standard specifies requirements and test methods for engine power management systems, electrical circuits including the charging system for the design and assembly of electrically power assisted bicycles and sub-assemblies for systems having a rated voltage up to and including 48 V d.c. or integrated battery charger with a nominal 230 V a.c. input. This European Standard specifies safety and safety related performance requirements for the design, assembly, and testing of EPAC bicycles and subassemblies intended for use on public roads, and lays down guidelines for instructions on the use and care of such bicycles. This European Standard applies to EPAC bicycles that have a maximum saddle height of 635 mm or more and that are intended for use on public roads. This European Standard is not applicable to EPACs which are manufactured before the date of its publication as EN.

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prEN 13397 Viešoji apklausa

Komentavimo iki data 2026-12-24

Pramoninės sklendės. Metalinės membraninės sklendės

This document specifies minimum requirements applicable to design, final assessment, designation, marking and documentation for diaphragm valves: - having unlined and lined metallic bodies; - having weir, weirless and straight-through body designs; - for operation with manual handwheel or actuator; - for use with flanged, welded and threaded pipe end connections; - used for isolating, regulating or controlling applications or any combination thereof. The PN and Class ranges are: - PN 6, PN 10, PN 16 and PN 25; - Class 125 and Class 150. The size range is: - for flanged valves: sizes DN 15, DN 20, DN 25, DN 32, DN 40, DN 50, DN 65, DN 80, DN 100, DN 125, DN 150, DN 200, DN 250, DN 300, DN 350, DN 400, DN 450 and DN 500; - for screwed valves: sizes NPS ¼, ⅜, ½, ¾, 1, 1¼, 1½, 2, 2½ and 3; - for weld end valves: sizes DN 8, DN 10, DN 15, DN 20, DN 25, DN 32, DN 40, DN 50, DN 65, DN 80, DN 100, DN 125, DN 150 and DN 200. NOTE 1 Sizes are listed in Table D.1. This document applies to metallic diaphragm valves used for all industrial applications. For applications in accordance with the European legislation for pressure equipment, EN 16668:2025 applies together with this document. Additional requirements given in the relevant application standards can apply to diaphragm valves used for more specific applications (e.g. for the water industry, the chemical and petrochemical process industry). For chemical and petrochemical applications, EN 12569:2020 apply together with this document. For water supply applications, EN 1074-1:2000 and EN 1074-2:2000 apply together with this document. NOTE 2 National potable water approval schemes (WRAS, DVGW, ACS, etc.) can apply in addition to the valve design standards. For process control applications, EN 1349:2009 and EN 60534-2-1:2011 apply together with this document. For cryogenic applications, EN 1626:2008 apply together with this document. For fire-safe applications, EN ISO 10497:2022 apply together with this document. For fugitive emissions applications, EN ISO 15848-1:2015+A1:2017 and EN ISO 15848-2:2015 apply together with this document. Other specific application standards, regulatory requirements, purchaser specifications or national approval schemes can also exist and can apply depending on the intended service, installation location, fluid, pressure/temperature conditions and end-use application. The correspondence between DN and NPS is given for information in Annex C.

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prEN 1849-1 Viešoji apklausa

Komentavimo iki data 2026-12-27

Lankstieji hidroizoliaciniai lakštai. Storio ir vienetinio ploto masės nustatymas. 1 dalis. Bituminiai stogo hidroizoliacijos lakštai

This document specifies a method for the determination of thickness and mass per unit area of bitumen sheets for roof waterproofing. The measurement of thickness is appropriate for most bitumen sheets including sheets with a factory applied mineral finish. The determination of thickness is not applicable to sheets with pronounced surface texture or to sheets with a substantial fibrous backing. Where it is required to characterize these products, mass per unit area should be used instead. The determination of mass per unit area serves to verify the value stated by the manufacturer for information and is not applicable to perforated materials.

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prEN 12119 Viešoji apklausa

Komentavimo iki data 2026-12-20

Plastikinių vamzdynų sistemos. Polietileninės (PE) sklendės. Atsparumo šiluminiams ciklams bandymo metodas

This document specifies a test method for the evaluation of leaktightness of a valve under pressure while it is under external thermal cycling. This document is applicable to polyethylene (PE) valves and valves with PE spigot-ends having a nominal outside diameter greater than 63 mm and intended for the transport of fluids. For diameters equal to or lower than 63 mm EN 1704[1] is applicable. When specified in the product standard, this document can be applied to valves of material other than PE.

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prEN ISO 14419 Viešoji apklausa

Komentavimo iki data 2026-12-19

Tekstilė. Tepalų atstūmimas. Atsparumo angliavandeniliams bandymas (ISO/FDIS 14419:2026)

This document specifies a method for the evaluation of a substrate's resistance to absorption of a selected series of liquid hydrocarbons of different surface tensions. This document provides guidance to oil stain resistance. It can provide a rough index of oil stain resistance as, generally, the higher the oil repellency grade, the better resistance to staining by oily materials, especially liquid oil substances. This is particularly true when comparing various finishes for a given substrate. This document can also be used to determine if washing and/or drycleaning treatments have any adverse effect on the oil repellency characteristics of a substrate. NOTE 1 Washing and drycleaning treatment procedures are described in ISO 6330 and ISO 3175 (all parts), respectively. This document is not intended to give an absolute measure of the resistance of the substrate to staining by all oily materials. Other factors, such as composition and viscosity of the oily substances, substrate construction, fibre type, dyes and other finishing agents, also influence stain resistance. This document is not intended to estimate the resistance to penetration of the substrate by oil-based chemicals. NOTE 2 For the evaluation of the resistance to penetration of the substrate by oil-based chemicals, see ISO 6530.

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prEN 18444 Viešoji apklausa

Komentavimo iki data 2026-12-19

Neaustinių gaminių saugos reikalavimai

This document is applicable to the following non-woven abrasive products: non-woven flap discs with backing plate, non-woven unitized discs with backing plate, non-woven general purpose discs with backing plate. These products are manufactured using abrasive grains and are entirely made of non-woven web. This document specifies requirements and/or measures for removal or reduction of hazards resulting from the design and application of the non-woven abrasive products. This document also contains procedures and tests for verification of compliance with the requirements as well as safety information for use, which is to be made available to the user by the manufacturer. Further, this document lists the hazards to be taken into consideration.

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prEN ISO 25178-607 Viešoji apklausa

Komentavimo iki data 2026-12-17

Geometrinės gaminio specifikacijos (GPS). Plotinė paviršiaus tekstūra. 607 dalis. Nesąlytinių (konfokalinės mikroskopijos) matuoklių nominaliosios charakteristikos (ISO/DIS 25178-607:2026)

This document describes the influence quantities and instrument characteristics of confocal microscopy systems for areal measurement of surface topography. Because surface profiles can be extracted from surface topography images, the methods described in this document can be applied to profiling measurements as well.

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prEN 17082 Viešoji apklausa

Komentavimo iki data 2026-12-17

Ne didesnės kaip 300 kW grynosios tiekiamosios šiluminės galios buitiniai ir nebuitiniai dujiniai priverstinės konvekcijos patalpų oro šildytuvai

This document specifies the requirements and test methods for the safety and efficiency of gas fired air heaters with or without a fan to assist the transportation of combustion air and/or flue gases. This document also applies to warm air heaters having forced draught burners. This document applies to Type A2, A3 appliances, with an input not exceeding 300 kW (net CV basis), intended for non-domestic use. This document also applies to Type B11, B11AS, B11BS, B12, B12AS, B12BS, B13, B13AS, B13BS, B14, B14AS, B14BS, B22, B23, B41, B41AS, B41BS, B42, B42AS, B42BS, B43, B43AS, B43BS, B44, B44AS, B44BS, B52, B53, C11, C12, C13, C21, C31, C32, C33, C41, C52, C53, C62 and C63 appliances with an input not exceeding 300 kW (net CV basis), intended for domestic and non-domestic use. The heated air can be delivered by means of ducting. This document applies only to appliances using the gaseous fuels of the second and third families as defined in EN 437. For second family gases, this includes H2NG blends containing up to 20 % hydrogen by volume, where the appliance is marked with the appropriate extended category (e.g. I2H, I2E, I2E(Y20)). This document does not apply to appliances intended to burn gases containing carbon monoxide or other toxic components. This document does not apply to: a) dual purpose air conditioning appliances (heating and cooling); b) appliances where the air is heated by an intermediate fluid; c) portable or transportable forced convection appliances; d) appliances fitted with manual or automatic means of adjusting the combustion products evacuation by means of flue dampers; e) appliances having multiple heating units with a single draught diverter; f) appliances fitted with more than one flue outlet; g) appliances fitted with gas boosters; h) C21 and C41 appliances for 3rd family gases. NOTE 1 Appliance Types (A, B and C) are classified in accordance with EN 1749. NOTE 2 For C41 appliances, see all requirements and test methods that are valid for C21 appliances, unless otherwise stated.

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prEN 13814-1 Viešoji apklausa

Komentavimo iki data 2026-12-17

Atrakcionų įrenginių ir įtaisų sauga. 1 dalis. Projektavimas ir gamyba

This document specifies the minimum requirements necessary to ensure the safe design, calculation, manufacture, and installation of mobile, temporary or permanently installed machinery and structures which are intended for use by persons as a leisure activity, e.g. roundabouts, swings, boats, ferris wheels, roller coasters, chutes, booths, side shows, and structures for artistic aerial displays. The above items are hereafter called amusement devices, which are intended to be installed both repeatedly without degradation or loss of integrity, and temporarily or permanently in fairgrounds and amusement parks or any other locations. Grandstands, construction site installations, scaffolding, removable agricultural structures, simple coin operated children's amusement devices, carrying up to three children, and recreational devices like waterslides or summer toboggan runs, playground equipment, rope courses, climbing wall, inflatable, trampolines, swimming pool equipment (this list is not exhaustive) are not covered by this document. For all the equipment not covered by the requirements of EN 13814 1, the relevant standards apply. Nevertheless this document can be used in the design of any similar structural or passenger carrying amusement device not explicitly mentioned herein. In terms of workers’ health and safety, national regulations apply. This document is applicable to manufacturing and major modification of amusement devices and rides for designs after the effective date of publication.

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prEN 13814-2 Viešoji apklausa

Komentavimo iki data 2026-12-17

Atrakcionų įrenginių ir įtaisų sauga. 2 dalis. Eksploatavimas, techninė priežiūra ir naudojimas

This document specifies the minimum requirements necessary to ensure the safe maintenance, operation, inspection and testing of amusement ride and amusement devices which are intended to be installed both repeatedly without degradation or loss of integrity, and temporarily or permanently in fairgrounds and amusement parks or any other locations. Grandstands, construction site installations, scaffolding, removable agricultural structures, simple coin operated children's amusement devices, carrying up to three children, and recreational devices like waterslides or summer toboggan runs, playground equipment, rope courses, climbing wall, inflatable, trampolines, swimming pool equipment (this list is not exhaustive) are not covered by this document. In terms of workers’ health and safety, national regulations apply.

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prEN 13814-3 Viešoji apklausa

Komentavimo iki data 2026-12-17

Atrakcionų įrenginių ir įtaisų sauga. 3 dalis. Tikrinimo projektuojant, gaminant, eksploatuojant ir naudojant reikalavimai

This part of EN 13814 defines requirements for the necessary independent inspections of amusement devices designed, manufactured, operated and used according to EN 13814 1:2019 and EN 13814 2:2019.

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prEN 1366-1 Viešoji apklausa

Komentavimo iki data 2026-12-12

Inžinerinių tinklų įrenginių atsparumo ugniai bandymai. 1 dalis. Kanalai

This document specifies a method for determining the fire resistance of vertical and horizontal ventilation ducts including ancillary items such as access panels, attenuators, compensators and control dampers, which are integral part of the tested ducts. The test examines the behaviour of ducts exposed to fire from the outside (duct A) and fire inside the duct (duct B). This document is used in conjunction with EN 1363-1. Annex A provides general guidance and gives background information. This document is not applicable to: a) ducts whose fire resistance depends on the fire resistance performance of a ceiling or wall (where ducts are located in cavities enclosed by fire-resistant shafts or ceilings); b) ducts containing fire dampers at points where they pass through fire separations; c) one, two or three sided ducts; d) fixing of suspension devices (e.g. anchors) to floors or walls.

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prEN 12903 Viešoji apklausa

Komentavimo iki data 2026-12-20

Produktai žmonėms vartoti skirtam vandeniui ruošti. Aktyvintųjų anglių milteliai

This European Standard is applicable to powdered activated carbon used for treatment of water intended for human consumption. It describes the characteristics of powdered activated carbon and specifies the requirements and the corresponding test methods for powdered activated carbon. It gives information on its use in water treatment.

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prEN 12907 Viešoji apklausa

Komentavimo iki data 2026-12-20

Produktai žmonėms vartoti skirtam vandeniui ruošti. Pirolizuotos anglys

This European Standard is applicable to pyrolyzed coal material used for treatment of water intended for human consumption. It describes the characteristics of pyrolyzed coal material and specifies the requirements and the corresponding test methods for pyrolyzed coal material. It gives information on its use in water treatment.

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prEN 12904 Viešoji apklausa

Komentavimo iki data 2026-12-20

Produktai žmonėms vartoti skirtam vandeniui ruošti. Kvarcinis smėlis ir kvarcinis žvyras

This document is applicable to silica sand and silica gravel used for treatment of water intended for human consumption. It describes the characteristics of silica sand and silica gravel and specifies the requirements and the corresponding test methods for silica sand and silica gravel. It gives information on their use in water treatment.

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prEN 18287 Viešoji apklausa

Komentavimo iki data 2026-12-12

Dirbtinis intelektas. Dirbtinio intelekto sistemų ir paslaugų poveikio aplinkai įvertinimo reikalavimai ir nurodymai

This document specifies requirements, guidance and metrics for environmental impact evaluation of artificial intelligence systems and services and gives guidance on impact reduction throughout its Life cycle. This document establishes requirements and guidance on reporting and communicating about the environmental impact of AI. This document also provides techniques to evaluate potential indirect negative or positive consequences of AI systems and services, for stakeholders to anticipate or mitigate them. This document is applicable to the entire Life cycle of AI systems and services, from inception to end-of-life. This document is applicable to LCA practitioners conducting life-cycle analyses for AI systems or AI services, organizations developing and using AI systems or AI services (AI providers and deployers), and all actors in the value chain.

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