Standartų projektų sąrašas

prEN IEC 61000-4-29:2026 Viešoji apklausa

Komentavimo iki data 2026-04-01

Elektromagnetinis suderinamumas (EMS). 4-29 dalis. Bandymų ir matavimo priemonės. Nuolatinės srovės maitinimo įėjimo prieigos atsparumo įtampos kryčiams, trumpiesiems pertrūkiams ir kitimams bandymai

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EN 1860-4:2023/prA1 Viešoji apklausa

Komentavimo iki data 2026-03-19

Kepimo prietaisai, kietasis kuras ir prakurai. 4 dalis. Kietuoju kuru kaitinamos vienkartinės kepsninės. Reikalavimai ir bandymo metodai

The aim of this amendment is to modify some terms in definitions included in clause 3 and a paragraph of 5.2, according to EN 18601:2024

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prEN IEC 61008-1:2026/prAA:2026 Viešoji apklausa

Komentavimo iki data 2026-04-08

Buitiniai ir panašios paskirties liekamąja srove valdomi jungtuvai be integruotos apsaugos nuo viršsrovių. 1 dalis. Bendrosios taisyklės

This document gives general requirements and tests for residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (hereafter referred to as RCCBs), for rated operational voltages not exceeding 440 V AC, with rated frequencies of 50 Hz, 60 Hz or 50/60 Hz and rated currents not exceeding 125 A, intended principally for protection against shock hazard. RCCBs are intended to provide fault protection (previously referred to as protection against indirect contact), the exposed conductive parts of the installation being connected to an appropriate earth electrode. They are also intended to be used to provide protection against fire hazards due to a persistent earth fault current. RCCBs having a rated residual operating current not exceeding 30 mA are used for fault protection and additional protection in the case of failure of the protective provisions against electric shock. This document applies to RCCBs performing simultaneously the functions of detection of the residual current, of comparison of the value of this current with the residual operating value and of opening of the protected circuit when the residual current exceeds this value. RCCBs are intended to be operated by ordinary or uninstructed persons and designed not to require maintenance. The requirements of this document apply for standard conditions (see 7.1). Additional requirements can be necessary for RCCBs used in locations which have severe environmental conditions. RCCBs within the scope of this document are intended for use in an environment with pollution degree 2 (see 7.3) and overvoltage category III. RCCBs are suitable for isolation. Special precautions (e.g. surge protective devices) can be necessary when excessive overvoltages are likely to occur on the supply side (for example in the case of supply through overhead lines, see IEC 60364-4-44 and IEC 60364-5-53). RCCBs are suitable for use in IT systems. RCCBs of the general type are resistant to current surges, including the case where surge voltages (as a result of switching transients or induced by lightning) cause loading currents in the installation without occurrence of flashover. RCCBs of type S are considered to be sufficiently resistant against unwanted tripping even if the surge voltage causes a flashover and a follow-on current occurs. Particular requirements are necessary for RCCBs intended to be used at frequencies other than 50 Hz or 60 Hz. For RCCBs incorporated in, or intended for association with socket-outlets only, the requirements of this document can be used, as far as applicable, in conjunction with the requirements of IEC 60884-1 or the national requirements of the country where the product is placed on the market. This document does not apply to: – RCCBs the current setting of which is adjustable without a tool; – RCCBs including batteries. This document is not intended to be used alone; it is intended to be used in conjunction with the relevant product standard, IEC 61008-2-1 or IEC 61008-2-2.

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prEN 50765:2026 Viešoji apklausa

Komentavimo iki data 2026-03-25

Kibernetinio saugumo reikalavimai, keliami mikroprocesoriams ir mikrovaldikliams su saugumo funkcijomis

This document specifies the security assessment requirements for platforms that include microprocessors and microcontrollers with security-related functionalities. These platforms aim to secure other products/networks/services beyond the microprocessors and microcontrollers themselves and are intended to provide assurance at a level AVA_VAN.1 as defined in [2], or without AVA_VAN claim.

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prEN 300 401 V2.2.1 (2026-02) Viešoji apklausa

Komentavimo iki data 2026-05-11

Radio Broadcasting Systems; Digital Audio Broadcasting (DAB) to mobile, portable and fixed receivers

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prEN 18317 Viešoji apklausa

Komentavimo iki data 2026-04-28

Organinės-mineralinės trąšos. Ureazės inhibitoriaus N-(n-butil)tiofosforo triamido (NBPT) kiekio nustatymas

This document specifies a method for the determination of the urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) and its oxidate form N-(n-butyl)phosphoric triamide (NBPTO) in urea based organo-mineral fertilizers, using the liquid chromatography coupled with triple quadrupole mass spectrometry (LC-MSQQQ). This document is applicable to organo-mineral fertilizers. NOTE It is possible to apply this method to inorganic fertilizers; in this case a validation is carried out by the laboratory for the procedure and data generated.

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EN ISO 4135:2022/prA1 Viešoji apklausa

Komentavimo iki data 2026-04-14

Anestezijos ir kvėpavimo įranga. Aiškinamasis žodynas. 1 keitinys (ISO 4135:2022/DAM 1:2026)

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EN ISO 22476-1:2023/prA1 Viešoji apklausa

Komentavimo iki data 2026-03-19

Geotechniniai tyrinėjimai ir bandymai. Lauko bandymai. 1 dalis. Įsmigimo bandymas naudojant elektrinį ir pjezoelektrinį kūgį. 1 keitinys (ISO 22476-1:2022/DAM 1:2026)

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prEN ISO 9693 Viešoji apklausa

Komentavimo iki data 2026-04-07

Odontologija. Metalo su keramika ir keramikos su keramika sistemų suderinamumo tyrimai (ISO/FDIS 9693:2026)

This document specifies requirements and test methods to assess the thermomechanical compatibility between a veneering ceramic and a metallic or ceramic substructure material used for dental restorations. This document applies only to the materials used in combination. Conformity cannot be claimed for a single material. For requirements for ceramic materials, see ISO 6872. For requirements for metallic materials see ISO 22674.

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prEN ISO 8504-5 Viešoji apklausa

Komentavimo iki data 2026-03-31

Plieninio pagrindo paruošimas prieš dengiant dažais ir su jais susijusiais produktais. Paviršiaus paruošimo metodai. 5 dalis. Valymas vandens čiurkšle (ISO 8504-5:2024)

This document specifies water jet cleaning methods for the removal of the existing coatings and rust during surface preparation of steel surfaces before application of paints and related products. It provides information on the effectiveness of the individual methods and their fields of application. It also describes the equipment and the procedures to follow.

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EN IEC 60539-1:2023/prA1:2026 Viešoji apklausa

Komentavimo iki data 2026-05-08

Tiesiogiai kaitinami neigiamojo temperatūrinio varžos koeficiento termistoriai. 1 dalis. Bendroji specifikacija

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prEN 18280 Viešoji apklausa

Komentavimo iki data 2026-03-29

Dirvožemio gerinimo medžiagos ir auginimo terpės. Escherichia coli skaičiavimas

This document specifies a method for the enumeration of Escherichia coli (E. coli) in soil improvers and growing media. This document is applicable to material in solid form (including pre-shaped growing media) and liquid form. This document is applicable to fertilizing product blends, where a blend is a mix of two or more fertilizing products belonging to the categories of fertilizers, liming material, soil improvers, growing media, inhibitors and plant biostimulants, and where soil improvers and/or growing media comprise the highest percentage in the blend by mass or volume, or in the case of liquid form by dry mass. If soil improvers and/or growing media do not comprise the highest percentage in the blend, the European Standard for the highest percentage in the blend applies. In case a blend is composed of fertilising products in equal quantity, the user of the standard decides which standard to apply. NOTE 1 A soil improver or a growing medium consists of a single bulky (volume-building) component or a mix of bulky (volume-building) components (for example peat, wood fibres, coconut coir, compost, expanded perlite). Strains of E. coli which do not grow at 44 °C ± 1 °C and, in particular, those that are β-D-glucuronidase-negative, such as E. coli O157, will not be detected. Some strains of Shigella spp. and Salmonella spp. within the family Enterobacteriaceae can also show β-D-glucuronidase activity at 44 °C ± 1 °C. NOTE 2 This method has been validated in an interlaboratory study with specific products that were present on the market during the study (Annex C).

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prEN 301 843-8 V1.0.0 (2025-12) Archyvuotas

Komentavimo iki data 2026-03-08

Jūrinės radijo ryšio įrangos ir paslaugų elektromagnetinio suderinamumo (EMS) standartas. Elektromagnetinio suderinamumo darnusis standartas. 8 dalis. Radijo švyturių ir vietos nustatymo įtaisų specialiosios sąlygos

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EN IEC 62115:2020/prAB:2026 Viešoji apklausa

Komentavimo iki data 2026-03-25

Elektriniai žaislai. Sauga

The standard deals with safety requirements for electric toys that have at least one function dependant on electricity, electric toys being any product designed or intended, whether or not exclusively, for use in play by children under 14 years of age.

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prEN IEC 60947-1:2026/prAA:2026 Viešoji apklausa

Komentavimo iki data 2026-04-01

Žemosios įtampos perjungimo ir valdymo įrenginiai. 1 dalis. Bendrosios taisyklės

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prEN 16914 Viešoji apklausa

Komentavimo iki data 2026-04-19

Aliuminis ir aliuminio lydiniai. Karštai valcuoti šarviniai lakštai iš suvirinamojo aliuminio lydinio. Techninės tiekimo sąlygos

This document specifies the technical delivery conditions for weldable aluminium alloy plates for armour applications with a nominal thickness between 10 mm and 70 mm for ARAL1 material and between 10 mm and 80 mm for ARAL2 material.

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prEN 303 919 V1.0.0 (2026-02) Viešoji apklausa

Komentavimo iki data 2026-05-04

Skubios pagalbos ryšiai (EMTEL). Skubios pagalbos ryšių prieinamumas ir funkcinis suderinamumas

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prEN 17731 Viešoji apklausa

Komentavimo iki data 2026-04-07

Auginimo terpės. Savitojo elektrinio laidžio, pH, sausosios medžiagos, kiekybės, visuminio vario ir cinko kiekio, vandenyje tirpių chloridų kiekio ir CaCl2/DTPA ekstrahuojamo azoto, P2O5 ir K2O kiekio nustatymo metodai

This document refers to methods to be used for the determination of specific parameters in growing media, but does not contain the methods themselves. The specific parameters in this document include: — electrical conductivity; — chloride; — pH; — dry matter; — nitrogen, P2O5 (phosphorus pentoxide) and K2O (potassium oxide) content extractable by CaCl2/DTPA; — copper and zinc content; — quantity. This document is applicable to the fertilizing product blends where a blend is a mix of two or more fertilising products belonging to the categories of fertilizers, liming material, soil improvers, growing media, inhibitors and plant biostimulants, and where soil improvers and/or growing media are the components with the highest percentage in the blend by mass or volume, or in the case of products in liquid form by dry mass. If the soil improvers and/or growing media are not the components with the highest percentage in the blend, the European Standard relevant to the component with the highest percentage in the blend applies. In case a blend is composed of fertilising products mixed in equal quantities, the user of the standard decides which standard to apply. NOTE A growing medium consists of a single bulky (volume-building) component or a mix of bulky (volume-building) components (for example peat, wood fibres, coconut coir, compost, expanded perlite).

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prEN ISO 20769-1 Archyvuotas

Komentavimo iki data 2026-03-12

Neardomieji bandymai. Radiografinis vamzdžių korozijos ir nuosėdų tikrinimas naudojant rentgeno ir gama spinduliuotę. 1 dalis. Tangentinis radiografinis tikrinimas (ISO/DIS 20769-1:2026)

This document specifies fundamental techniques of film and digital radiography with the object of enabling satisfactory and repeatable results to be obtained economically. The techniques are based on generally recognized practice and fundamental theory of the subject. This document applies to the radiographic examination of steel pipes for service induced flaws such as corrosion pitting, generalized corrosion and erosion. Besides its conventional meaning, "pipe" as used in this document is understood to cover other cylindrical bodies such as tubes, penstocks, boiler drums and pressure vessels. Weld inspection for typical welding process induced flaws is not covered, but weld inspection is included for corrosion/erosion type flaws. The pipes can be insulated or not, and can be assessed where loss of material due, for example, to corrosion or erosion is suspected either internally or externally. This document covers the tangential inspection technique for detection and through-wall sizing of wall loss, including with the source: a) on the pipe centre line; and b) offset from pipe centre line by the pipe radius. ISO 20769-2 covers double wall radiography, and note that the double wall double image technique is often combined with tangential radiography with the source on the pipe centre line. This document applies to tangential radiographic inspection using industrial radiographic film techniques, computed radiography (CR) and digital detector arrays (DDA).

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prEN ISO 13760 Viešoji apklausa

Komentavimo iki data 2026-03-24

Plastikiniai vamzdžiai skysčiams perduoti esant slėgiui. Miner'io taisyklė. Suvestinių nuostolių apskaičiavimo metodas (ISO/DIS 13760:2026)

In general terms, Miner’s rule is a common approach to calculate how the accumulation of a specific load that varies over time effects the time until failure. This international standard specifies the application of Miner’s rule for calculating the design time until failure of plastics pipes and piping systems of plastics materials under varying, but known, load conditions. Miner’s rule can also be applied reciprocally to calculate the tolerable load levels along a desired design time. This international standard specifies particularly the application of Miner’s rule to calculate stress or pressure regimes, respectively, that are tolerable during a targeted design time for plastics or composite pipes. Further, the application of Miner’s rule on the effect of accumulated damage on polyolefins caused by oxidative attack under varying temperatures and times on the design life is specified. It is necessary to apply Miner's rule to each failure mechanism separately. Thus, for mechanical failure due to internal pressure, other failure mechanisms, such as oxidative or dehydrochlorinative degradative failure mechanisms, are to be neglected (assuming, of course, no interaction). A material may be used only when it is proven to conform to all failure mechanism criteria. NOTE Miner's rule is an empirically based procedure and is only a first approximation to reality.

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prEN IEC 63203-101-1:2026 Viešoji apklausa

Komentavimo iki data 2026-04-10

Dėvimieji elektroniniai įtaisai ir technologijos. 101-1 dalis. Terminija

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prEN IEC 61496-2:2026 Viešoji apklausa

Komentavimo iki data 2026-04-15

Mašinų sauga. Jutiklinė elektrinė apsauginė įranga. 2 dalis. Ypatingieji reikalavimai, keliami įrangai su aktyviaisiais optoelektroniniais apsauginiais įtaisais

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prEN 13409 Viešoji apklausa

Komentavimo iki data 2026-04-28

Klijai. Cementinių ir kalcio sulfato grindų išlyginimo mišinių bandymo metodas. Kietėjimo trukmės nustatymas

This document specifies the measurement of setting time of a prepared cementitious or calcium sulfate-based floor levelling compound, after mixing with the liquid component, e.g. water. This document applies to cementitious and calcium sulfate-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 18292 Viešoji apklausa

Komentavimo iki data 2026-04-06

Neorganinės trąšos. Sausosios medžiagos kiekio nustatymas

This document specifies the procedure for the determination/calculation of the dry matter content of inorganic fertilizers for which the results of the performed analysis are expressed in relation to the dry residue.

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EN 62841-1:2015/prAC:2026 Naujas

Komentavimo iki data 2026-03-18

Elektriniai varikliniai rankiniai įrankiai, kilnojamieji įrankiai ir vejų bei sodų mašinos. Sauga. 1 dalis. Bendrieji reikalavimai

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