Standartų projektų sąrašas

prEN 3240 Viešoji apklausa

Komentavimo iki data 2026-05-19

Aerospace series - Nut, self-locking, clip, in heat resisting steel FE PA2601 (A286), uncoated - Classification: 1 100 MPa (at ambient temperature)/425 °C

This document specifies the characteristics of self-locking clip nuts in FE-PA2601 (A286) for aerospace applications. Classification: 1 100 MPa /425 °C

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prEN 18338 Viešoji apklausa

Komentavimo iki data 2026-06-09

Maisto autentiškumas. Vaisių ir daržovių sulčių ir susijusių produktų mėginių paruošimas izotopų santykio analizei

This document describes a method for sample preparation for the determination of C, N and H isotope ratio values in different fractions (sugar and pulp) of fruit and vegetable juices and their derivatives (concentrates, nectars, beverages etc.) by Elemental Analyser-Isotope Ratio Mass Spectrometry (EA-IRMS) or Isotope Ratio Measurement-Deuterium Nuclear Magnetic Resonance Spectroscopy (irm-2H-NMR). It also covers ethanol produced by the fermentation of fruit and vegetable juices, and their derivatives. Sample measurement is not included within this document. This document does not concern the analytical methods after sample preparation, namely methods using IRMS (Isotope Ratio Mass Spectrometry) technique and isotope ratio measurement-deuterium nuclear magnetic resonance spectroscopy (irm-2H-NMR), also known as SNIF-NMR (Site-specific Natural Isotopic Fractionation by Nuclear Magnetic Resonance), used to quantify the isotopic ratios of the following nuclei: 13C/12C, 15N/14N and 2H/1H. The interpretation of the obtained isotope delta values is not covered by this document.

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prEN 300 392-12-16 V1.4.0 (2026-03) Viešoji apklausa

Komentavimo iki data 2026-06-21

Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 16: Pre-emptive Priority Call (PPC)

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EN 50440:2015/prA2:2026 Archyvuotas

Komentavimo iki data 2026-04-10

Buitinių elektrinių kaupiamųjų vandens šildytuvų našumas ir bandymo metodai

This European Standard specifies methods for measuring the performance of electric storage water heaters for the production of sanitary hot water for household and similar use. The object is to state and define the principal performance characteristics of electric storage water heaters and to describe the test methods for measuring these characteristics. NOTE 1 This standard does not apply to; − storage water heaters that use electricity as a secondary source of heating the water; − storage water heaters that do not use a tank to store hot water; − electric storage water heaters that do not meet the minimum (or maximum) output performance of the smallest (or biggest) load profile, as defined in Table 4. NOTE 2 This standard does not specify performance or safety requirements. For safety requirements see EN 60335-1:2020 in conjunction with EN 60335-2-21:2023

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prEN IEC 60601-2-92:2026 Viešoji apklausa

Komentavimo iki data 2026-04-22

Elektrinė medicinos įranga. 2-92 dalis. Ypatingieji būtinosios saugos ir esminių eksploatacinių charakteristikų reikalavimai, keliami su išorinės spinduliuotės įranga naudojamai magnetinio rezonanso nukreipiamai radioterapijos įrangai

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prEN 4138 Viešoji apklausa

Komentavimo iki data 2026-05-19

Aerospace series - Screw, pan head, offset cruciform recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235 °C

This document specifies the characteristics of screws, pan head, offset cruciform recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated. Classification: 1 100 MPa /235 °C

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prEN 14541-1 Viešoji apklausa

Komentavimo iki data 2026-05-21

Plastikiniai vamzdžiai ir jungiamosios detalės. Perdirbtų termoplastinių medžiagų panaudojimas žiedinėje ekonomikoje. 1 dalis. Aiškinamasis žodynas

This document specifies the general terms and definitions relevant to the utilization of thermoplastics materials in a circular economy in pipes, fittings and ancillaries for both pressure and non-pressure piping systems. This document is intended to be used by specification writers in conjunction with CEN/TS 14541-2 [7] when preparing normative documents under the scope of CEN/TC 155.

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prEN ISO 20471 Viešoji apklausa

Komentavimo iki data 2026-06-09

Apsauginė apranga. Gerai matoma įspėjamoji apranga, skirta didelės rizikos situacijoms. Bandymo metodai ir reikalavimai (ISO/DIS 20471:2026)

ISO 20471:2013 specifies requirements for high visibility clothing which is capable of visually signalling the user's presence. The high visibility clothing is intended to provide conspicuity of the wearer in any light condition when viewed by operators of vehicles or other mechanized equipment during daylight conditions and under illumination of headlights in the dark. Performance requirements are included for colour and retroreflection as well as for the minimum areas and for the placement of the materials in protective clothing.

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prEN 1992-4 Viešoji apklausa

Komentavimo iki data 2026-06-11

Eurokodas 2. Gelžbetoninių konstrukcijų projektavimas. 4 dalis. Betone naudojamų tvirtinimo priemonių projektavimas

(1) EN 1992-4 provides a design method for fastenings (connection of structural elements and non-structural elements to structural components), which are used to transmit actions to the concrete. NOTE 1 Additional rules for the transmission of the fastener loads within the concrete member to its supports are given in EN 1992 1 1:2004, 2.7 and Annex A of this EN. NOTE 2 Inserts embedded in precast concrete elements during production, under Factory Production Control (FPC) conditions and with the due reinforcement, intended for use only during transient situations for lifting and handling, are covered by CEN/TR 15728. (2) EN 1992-4 is intended for safety related applications in which the failure of fastenings can result in collapse or partial collapse of the structure, cause risk to human life or lead to significant economic loss. (3) The support of the fixture can be either statically determinate or statically indeterminate. Each support can consist of one fastener or a group of fasteners. (4) EN 1992-4 is valid for applications which fall within the scope of the EN 1992 series. In applications where special considerations apply, e.g. nuclear power plants or civil defence structures, modifications can be necessary. (5) EN 1992-4 does not cover the design of the fixture. NOTE Rules for the design of the fixture are given in the appropriate standards meeting the requirements on the fixture as given in EN 1992-4.

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prEN IEC 60793-1-50:2026 Archyvuotas

Komentavimo iki data 2026-04-10

Optinės skaidulos. 1-50 dalis. Matavimo metodai. Drėgnosios šilumos (nuostovioji būsena) bandymai

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prEN IEC 61850-7-440:2026 Viešoji apklausa

Komentavimo iki data 2026-04-22

Elektros tiekimo sistemų automatizavimo ryšių tinklai ir sistemos. 7-440 dalis. Pagrindinė ryšių struktūra. Suderinamos loginių mazgų ir duomenų objektų klasės. Elektros energijos kokybinių charakteristikų matavimas

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prEN IEC 61951-2:2026 Viešoji apklausa

Komentavimo iki data 2026-05-15

Antriniai elementai ir baterijos su šarminiais ar kitokiais nerūgštiniais elektrolitais. Nešiojamieji sandarieji antriniai elementai ir baterijos. 2 dalis. Nikelio-metalo hidrido elementai

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prEN 17762 Viešoji apklausa

Komentavimo iki data 2026-05-19

Neorganinės trąšos. Vario kiekio nustatymas didelį azoto kiekį turinčiose amonio nitrato trąšose

This document specifies a method for the determination of the copper content in ammonium nitrate fertilizers of high nitrogen content. This document is applicable to the fertilizing products blends where a blend is a mix of at least two of the following components: fertilizers, liming materials, soil improvers, growing media, inhibitors, plant biostimulants, and where the following category: inorganic fertilizers is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If inorganic fertilizer is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a fertilizing product blend is composed of components in equal quantity, the user decides which standard to apply. Variations in analytical methods for fertilizing product blends can lead to differing results as some components or matrix interactions can affect the outcome. Validation procedures have shown that developed standard methods are robust and reliable across diverse product compositions, but possible interferences and unexpected results when analysing fertilizing product blends are possible.

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prEN ISO 15487 Viešoji apklausa

Komentavimo iki data 2026-06-16

Tekstilė. Aprangos ir kitų gatavų tekstilės gaminių išvaizdos vertinimo po buitinio skalbimo ir džiovinimo metodas (ISO/DIS 15487:2026)

This document specifies a method of test for evaluating the appearance of apparel and other textile end products after one or several domestic washing and drying treatments. The appearance evaluated includes colour change, pilling, fuzzing, matting appearance of fabrics, smoothness appearance of flat fabric and seams, and the retention of pressed-in creases in garments and other textile products, damage of components ? buttons, press fasteners, slide fasteners, etc. This document is applicable to any washable textile end product of any fabric construction. Techniques for seaming and creasing are not included since the purpose is to evaluate textile end products as they are supplied from the manufacturer or as ready-to-use. Techniques for seaming and creasing are controlled by fabric properties. This method has been developed primarily for use with domestic washing machines of Type B as defined in ISO 6330, but it can be used with any type of machine defined in ISO 6330. It is recognized that prints and patterns can mask the wrinkled appearance present in textile end products. The rating process is, however, based on the visual appearance of specimens including such effects.

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prEN ISO 3924 Viešoji apklausa

Komentavimo iki data 2026-05-07

Naftos produktai. Distiliacijos temperatūrų intervalų pasiskirstymo nustatymas. Dujų chromatografijos metodas (ISO/DIS 3924:2026)

This document specifies a method for the determination of the boiling range distribution of petroleum products. The method is applicable to petroleum products and fractions with a final boiling point of 538 °C or lower at atmospheric pressure as determined by this document. This document does not apply to gasoline samples or gasoline components. The method is limited to products having a boiling range greater than 55 °C and having a vapour pressure sufficiently low to permit sampling at ambient temperature. The document describes two procedures. a) Procedure A allows a larger selection of columns and analysis conditions, such as packed and capillary columns as well as a thermal conductivity detector in addition to the flame ionization detector. Analysis times range from 14 min to 60 min. b) Procedure B is restricted to only three capillary columns and requires no sample dilution. The analysis time is reduced to about 8 min. Both procedures have been successfully applied to samples containing fatty acid methyl esters (FAME) up to 20 % (volume fraction). NOTE For the purposes of this document, the terms "% (mass fraction)" and "% (volume fraction)" are used to represent the mass fraction (µ), the volume fraction (φ) of a material.

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prEN ISO 22125-1 Viešoji apklausa

Komentavimo iki data 2026-05-25

Vandens kokybė. Technecis 99. 1 dalis. Tyrimo metodas skaičiuojant blyksnius skystyje (ISO/DIS 22125-1:2026)

This document specifies a method for the measurement of 99Tc in all types of waters by liquid scintillation counting (LSC). The method is applicable to test samples of supply/drinking water, rainwater, surface and ground water, as well as cooling water, industrial water, domestic, and industrial wastewater after proper sampling and handling, and test sample preparation. A filtration of the test sample is necessary. The detection limit depends on the sample volume and the instrument used. The method described in this document, using currently available LSC instruments, has a detection limit of approximately 5 Bq·kg−1 to 20 Bq·kg−1, which is lower than the WHO criteria for safe consumption of drinking water (100 Bq l−1)[3]. These values can be achieved with a counting time of 30 min for a sample volume varying between 14 ml to 40 ml. The method presented in this document is not intended for the determination of ultra-trace amount of 99Tc. The activity concentration values in this document are expressed by sample mass unit instead of sample volume unit as it is usually the case in similar standards. The reason is that 99Tc is measured in various matrix types such as fresh water or sea water, which have significant differences in density. The activity concentration values can be easily converted to sample volume unit by measuring the sample volume. However, it increases the uncertainty on the activity concentration result. The method described in this document is applicable in the event of an emergency situation, but not if 99mTc is present at quantities that could cause interference and not if 99mTc is used as a recovery tracer. The analysis of Tc adsorbed to suspended matter is not covered by this method. It is the user's responsibility to ensure the validity of this test method for the water samples tested.

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prEN IEC 62885-11:2026 Viešoji apklausa

Komentavimo iki data 2026-06-03

Paviršių valymo prietaisai. 11 dalis. Buitiniai ar panašios paskirties drėgnojo valymo robotai. Eksploatacinių charakteristikų matavimo metodai

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prEN ISO 287 Viešoji apklausa

Komentavimo iki data 2026-06-18

Popierius ir kartonas. Partijos drėgmės kiekio nustatymas. Džiovinimo krosnyje metodas (ISO 287:2026)

ISO 287:2017 specifies an oven-drying method for the determination of the moisture content of a lot of paper and board. The procedure in Clause 8, describing how the test pieces are drawn from the lot, is performed at the time of sampling. ISO 287:2017 is applicable to every type of lot of paper and board, including corrugated board and solid board, provided that the paper or board does not contain any substances, other than water, that are volatile at the temperature specified in this document. NOTE For determination of the dry matter content of a sample of paper or board, e.g. for calculation of the dry mass of the sample, ISO 638[1] can be used.

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prEN IEC 63378-4:2026 Viešoji apklausa

Komentavimo iki data 2026-04-22

Puslaidininkinių įtaisų korpusų šiluminių charakteristikų standartizavimas. 4 dalis. Mažo žingsnio puslaidininkinių įtaisų korpusų šiluminio įvertinimo plokštės specifikacija

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prEN 13408 Viešoji apklausa

Komentavimo iki data 2026-04-28

Klijai. Cementinių ir kalcio sulfato grindų išlyginimo mišinių bandymo metodas. Sukibimo stiprio nustatymas

This document specifies a test method for the determination of bond strength between an underlayment produced with cementitious or calciumsulfate-based floor levelling compounds and a standard substrate. This document applies to cementitious, and calcium sulphate-based floor levelling compounds used for the preparation of subfloors to ensure the suitability of the substrate prior to the installation of floor coverings. By using the floor levelling compound, a homogeneous layer is built up on the load-bearing substrate, to ensure consistent absorbency, evenness and strength.

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prEN 18328 Viešoji apklausa

Komentavimo iki data 2026-05-26

Neardomieji bandymai. Termografinis tyrimas. Aktyvioji termografija su induktyviuoju sužadinimu

This document specifies a method and establishes guidelines for non-destructive testing using active thermography with inductive excitation. By using inductive heating of the test object, this active thermography method is suitable for inspecting test objects made of metals or other electrically conductive materials. Such tests are conducted for: - the detection of surface-breaking discontinuities, particularly cracks; and - the detection of discontinuities located near the surface. The functional principle of the defect detection can be based on a direct interaction of defect and excitation signal (defect selective) or an indirect interaction by using derivations of the applied heat flow. For this purpose, active thermography with inductive excitation is conducted using different sources of excitation (inductors) in reflection and transmission configurations. Areas tested in one shot are typically between a few cm2 and a few hundred cm2, depending on the geometry of the used inductor. In dynamic configuration, larger areas can be tested. Fields of application for active thermography with inductive excitation are to be found in industrial manufacturing and in maintenance (vehicle, drive system and power plant components, jointing technique, semi-finished products, etc.). Active thermography with inductive excitation is also called inductive thermography or eddy-current excited thermography.

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prEN ISO 19472-1 Viešoji apklausa

Komentavimo iki data 2026-06-02

Miškų ūkio mašinos. Suktuvai. 1 dalis. Matmenys, eksploatacinės charakteristikos ir sauga (ISO/DIS 19472-1:2026)

This document stipulates measures as well as requirements in respect to performance and safety for winches that are used in agriculture and forestry for logging and skidding work. It applies to permanently mounted and removable winches and their components, which are mounted on mobile and self-propelled forestry machines as defined in ISO 6814:2009, as well as to winches for forestry mounted on agricultural tractors that are used for forestry work. The document also applies to capstan winches and winches using driving sheaves or driving pulleys for forestry. It does not apply to winches: — that are used for hoisting or lifting operations; — that are used in draglines; — that are used in in yarders, unless winches according to 5.17; — designed for traction aid purposes; — using operating and control voltages > 42 V; — that are used with log splitters according to EN 609-1. It applies exclusively to winches that are used for dragging loads on horizontal and inclined ground during logging operations or which are used to support tree felling work. The significant hazards included in this document are identified in Annex A. This document is not applicable to winches manufactured before the date of its publication.

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prEN IEC 60794-1-108:2026 Viešoji apklausa

Komentavimo iki data 2026-06-17

Optiniai skaiduliniai kabeliai. 1-108 dalis. Bendroji specifikacija. Pagrindinės optinių kabelių bandymo procedūros. Mechaninių bandymų metodai. Lankstymas, E8 metodas

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prEN 15199-2 Viešoji apklausa

Komentavimo iki data 2026-04-24

Naftos produktai. Distiliacijos temperatūrų intervalų pasiskirstymo nustatymas dujų chromatografijos metodu. 2 dalis. Sunkieji distiliatai ir likutinis kuras

This document specifies a method for the determination of the boiling range distribution of petroleum products by capillary gas chromatography using flame ionization detection. The document is applicable to materials having a vapour pressure low enough to permit sampling at ambient temperature, and which have a boiling range of at least 100 °C. The document is applicable to materials with initial boiling points (IBP) above 100 °C and final boiling points (FBP) above 750 °C, for example, heavy distillate fuels and residuals. The method is not applicable to bituminous samples. The test method is not applicable for the analysis of petroleum or petroleum products containing low molecular weight components (for example naphthas, reformates, gasolines) or middle distillates like Diesel and Jet fuel. Petroleum or petroleum products containing blending components, which contain hetero atoms (for example alcohols, ethers, acids, or esters) or residue, are not to be analysed by this test method. NOTE For the purposes of this document, the terms “% (m/m)” and “% (V/V)” are used to represent respectively the mass fraction and the volume fraction. WARNING — The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

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prEN ISO 25222-2 Viešoji apklausa

Komentavimo iki data 2026-04-28

Neardomieji bandymai. Ultragarsinės įrangos su sietimi per orą apibūdinimas ir patikra. 2 dalis. Zondai (ISO/DIS 25222-2:2026)

This document specifies the characteristics of probes used for non-destructive air-coupled ultrasonic testing with centre frequencies above 20 kHz, with focusing or without focusing means. This document refers to probes based on the piezoelectric effect. Air-coupled probes based on other physical principles may be characterized according to this guideline if it is judged as appropriate. This document excludes periodic tests for probes. If parameters specified in this document are to be verified during the probe’s lifetime, as agreed upon by the contracting parties, the procedures of verification for these parameters can be selected from those given in this document.

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