Standartų projektų sąrašas

prEN ISO 21294 Archyvuotas

Komentavimo iki data 2026-10-10

Aliejingosios sėklos. Rankinis aliejingųjų sėklų mėginių ėmimas (ISO/DIS 21294:2026)

This document specifies the requirements for manual sampling of oilseeds by manual means or by automated mechanical means, for the purpose of assessing their quality and condition. Note An exemple of "condition" is an odour due to a treatment product. Stockpiles are excluded of the scope of this document.

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prEN IEC 62087-1:2026 Viešoji apklausa

Komentavimo iki data 2026-10-18

Garso, vaizdo ir panaši įranga. Energijos sąnaudų nustatymas. 1 dalis. Bendrieji dalykai

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prEN 302 977 V2.1.13 (2026-08) Viešoji apklausa

Komentavimo iki data 2026-11-08

Palydovinės Žemės stotys ir sistemos (PŽSS). Transporto priemonėse įmontuotos Žemės stotys, veikiančios 14/12 GHz dažnių juostose. Prieigos prie radijo ryšio spektro darnusis standartas

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prEN IEC 60598-2-3:2026 Viešoji apklausa

Komentavimo iki data 2026-11-08

Šviestuvai. 2-3 dalis. Ypatingieji reikalavimai. Kelių ir gatvių šviestuvai

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EN 1993-4-1:2026/prA1 Viešoji apklausa

Komentavimo iki data 2026-11-19

Eurokodas 3. Plieninių konstrukcijų projektavimas. 4-1 dalis. Silosai

1.1 Scope of EN 1993 4 1 (1) prEN 1993 4 1 provides rules for the structural design of steel silos of circular or rectangular plan-form, being free-standing (on ground) or supported on a structural framework (elevated). (2) prEN 1993 4 1 is applicable to silos constructed from isotropic rolled plates that are stiffened or unstiffened, from corrugated sheeting that is stiffened or unstiffened and from flat or corrugated plates assembled into box structures of different geometries. It applies to vertical walls, hoppers, roof structures, transition junctions and support structures. (3) prEN 1993 4 1 does not apply to storage vessels for silage and haylage, or to the storage of materials that are not free-flowing (see EN 1991 4). This Part 4-1 also does not cover: - resistance to fire; - cylindrical silos with internal subdivisions; - internal structures within a single silo (except for internal ties, as defined in 12.5); - silos with capacity less than 100 kN (10 tonnes); - hoppers that are supported on a structural framework; - cases where special measures are necessary to limit the consequences of accidents. (4) This document is applicable to silos within the following dimensional limits (see EN 1991-4): - Silo aspect ratio hb/dc < 10 - Silo total height hb < 70 m - Silo equivalent diameter dc < 60 m NOTE These dimensional limitations are more limited than those of EN 1991-4 which also applies to silos constructed from other materials. (5) Where this standard applies to circular planform silos, the geometric form is restricted to axisymmetric structures, but unsymmetrical actions on them and supports that induce forces in the silo structure that are not axisymmetric are included. (6) This part is concerned only with the requirements for resistance and stability of steel silos. For other requirements (such as operational safety, functional performance, fabrication and erection, quality control, details like man-holes, flanges, filling devices, outlet gates and feeders, etc.), see other relevant standards and information. (7) This part is concerned with both isolated silo structures and silos that are connected to others to form a battery of silos, but throughout this document the term silo refers to a single cell within a battery. (8) Provisions relating to special requirements of seismic design are provided in EN 1998 4, which complements or adapts the provisions of Eurocode 3 specifically for this purpose. (9) The structural design of supporting structures for the silo are dealt with in EN 1993 1 1. The supporting structure is deemed to consist of all structural elements beneath the bottom flange of the lowest ring of the silo (see Figure 1.1), though information on some forms of support structure is given in Clause 8 of this document. (10) Foundations in reinforced concrete for steel silos are dealt with in EN 1992 (all parts) and EN 1997 (all parts). 1.2 Assumptions (1) Unless specifically stated, the provisions of EN 1990, EN 1991 (all parts) and EN 1993 1 (all parts) apply. (2) The design methods given in EN 1993 4 1 are applicable if: - the execution quality is as specified in EN 1090 2, and - the construction materials and products used are as specified in the relevant parts of EN 1993 (all parts), or in the relevant material and product specifications. Figure 1.1 - Terminology used in silo structures ...

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prEN 438-2 Viešoji apklausa

Komentavimo iki data 2026-11-30

Didelio slėgio apdailos laminatai (HPL). Lakštai termoreaktyviųjų dervų pagrindu (paprastai vadinami laminatais). 2 dalis. Savybių nustatymas

This document specifies the methods of test for determination of the properties of high-pressure decorative laminates as defined in Clause 3. These methods are primarily intended for testing the sheets specified in EN 438-3, EN 438-4, EN 438-5, EN 438-6, EN 438-8, and EN 438-9. The precision of the test methods, specified in this document, is not known because inter-laboratory data are not yet available. When inter-laboratory data will be obtained, precision statements will be added to the test method at the following revision. For those test methods having an end point determination based on subjective judgement, it is not meaningful to make a statement of precision.

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prEN 16409 Viešoji apklausa

Komentavimo iki data 2026-12-13

Chemikalai žmonėms vartoti skirtam vandeniui ruošti. Dolomitinės kalkės

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

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prEN IEC 60335-2-73:2026/prAA:2026 Viešoji apklausa

Komentavimo iki data 2026-10-18

Buitiniai ir panašios paskirties elektriniai prietaisai. Sauga. 2-73 dalis. Ypatingieji reikalavimai, keliami tvirtinamiesiems panardinamiesiems šildytuvams

This standard deals with the safety of electric thermal-storage room heaters intended to heat the room in which they are located, their rated voltage being not more than 250 V for single phase and 480 V for other appliances.

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ISO 10605:2023/DAmd 1 Viešoji apklausa

Komentavimo iki data 2026-10-22

Kelių transporto priemonės. Bandymo metodai elektrostatinio išlydžio sukeliamiems elektriniams trikdžiams nustatyti. 1 keitinys

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prEN ISO 20601 Viešoji apklausa

Komentavimo iki data 2026-11-14

Neardomoji suvirinimo siūlių kontrolė. Ultragarsinė kontrolė. Fazuotosios gardelės technologijos taikymas plonasieniams plieniniams komponentams (ISO/DIS 20601:2026)

This document specifies the application of phased array technology for the semi- or fully automated ultrasonic testing of fusion-welded joints in steel parts with thickness values between 3,2 mm and 8,0 mm. This meets the typical range of tube wall thickness values in boilers, which is an important application of this testing technology. The minimum and maximum value of the wall thickness range can be exceeded, when testing level "D" of this document is applied. This document applies to full penetration welded joints of simple geometry in plates, tubes, pipes, and vessels, where both the weld and parent material are low-alloy and/or fine grained steel. NOTE "Semi-automated testing" encompasses a controlled movement of one or more probes on the surface of a component along a fixture (guidance strip, ruler, etc.), whereby the probe position is unambiguously measured with a position sensor. The probe is moved manually. "Fully automated testing" includes mechanized propulsion in addition. Where material-dependent ultrasonic parameters are specified in this document, they are based on steels having a sound velocity of (5 920 ± 50) m/s for longitudinal waves, and (3 255 ± 30) m/s for transverse waves. It is necessary to take this fact into account when testing materials with a different velocity. This document provides guidance on the specific capabilities and limitations of phased array technology for the detection, location, sizing and characterization of discontinuities in fusion-welded joints. Ultrasonic phased array technology can be used as a stand-alone technique or in combination with other non-destructive testing (NDT) methods or techniques, during manufacturing and testing of new welds/repair welds (pre-service testing). This document specifies two testing levels: — level "C" for standard situations; — level "D" for different situations/special applications. This document describes assessment of discontinuities for acceptance purposes based on: — height and length; — amplitude (equivalent reflector size) and length; — go/no-go decision. This document does not include acceptance levels for discontinuities.

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prEN IEC 60335-2-65:2026 Viešoji apklausa

Komentavimo iki data 2026-11-22

Buitiniai ir panašios paskirties elektriniai prietaisai. Sauga. 2-65 dalis. Ypatingieji reikalavimai, keliami oro valytuvams

This European Standard deals with the safety of electric air-cleaning appliances, their rated voltage being not more than 250 V for single phase and 480 V for other appliances, for household purposes. Also includes appliances intended to be used by laymen in shops, in light industry and on farms..

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prEN ISO 8339 Viešoji apklausa

Komentavimo iki data 2026-12-03

Pastatų ir inžinerinių statinių sandarikliai. Tempiamųjų savybių nustatymas (tempimas iki nutrūkimo) (ISO/DIS 8339:2026)

ISO 8339:2005 specifies a method for the determination of the tensile properties of sealants used in joints in building construction.

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prEN 1015-18 Viešoji apklausa

Komentavimo iki data 2026-12-10

Mūro skiedinio bandymo metodai. 18 dalis. Sukietėjusio skiedinio kapiliarinio vandens įgėrio koeficiento nustatymas

This document specifies a method for determining the water absorption coefficient due to capillary action of hardened mortars containing mineral binders and normal, recycled and as well as light weight aggregates.

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prEN 2593-001 Viešoji apklausa

Komentavimo iki data 2026-10-31

Aerospace series — Bases for 10 A electromagnetic plug-in relays, two and four poles double thrown — Part 001: Technical specification

The present document specifies the characteristics, installation and mounting dimensions for plug-in relay bases for use with two and four poles double throw relays in accordance with EN 2548-001. Relay bases in accordance with this document shall be used at ambient temperatures between −70 °C and 125 °C and at altitudes up to 25 000 m.

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prEN ISO 9360-1 Viešoji apklausa

Komentavimo iki data 2026-10-24

Įkvepiamo oro šildymo ir drėkinimo įtaisai ir kvėpuojamąsias dujas tiekiančių kvėpavimo sistemų filtrai. 1 dalis. Bendrieji reikalavimai (ISO/DIS 9360-1:2026)

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prEN IEC 60335-2-124:2026/prAA:2026 Viešoji apklausa

Komentavimo iki data 2026-11-15

Buitiniai ir panašios paskirties elektriniai prietaisai. Sauga. 2-124 dalis. Ypatingieji reikalavimai, keliami komercinėms valymo sausuoju ledu mašinoms

This standard deals with the safety of dry ice blasting machines intended for commercial indoor or outdoor use for the hand-guided cleaning, decoating and stripping of surfaces. The blasting machines are either equipped with containers for storage of dry ice or produce dry ice internally. These machines are not equipped with a traction drive. The following power systems are covered: - mains powered motors up to a rated voltage of 250 V for single-phase appliances and 480 V for other appliances, - battery-operated machines. This standard does not apply to - dry ice blasting machines with integrated generation of compressed air; - dry ice blasting machines using other transport gases besides compressed air or nitrogen; - dry ice blasting machines with nozzles being controlled by robotic arms; - spray extraction machines for commercial use (IEC 60335-2-68); - high pressure cleaners (IEC 60335-2-79); - sand blasting equipment (abrasive blasting); - hand-held and transportable motor-operated electric tools (IEC 60745 series, IEC 61029 series, IEC 62841 series); - machines designed for use in corrosive or explosive environments (dust, vapour or gas); - machines designed for use in vehicles in non-ventilated environment; - machines designed for use on board of ships or aircraft.

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prEN 18397 Viešoji apklausa

Komentavimo iki data 2026-10-20

Anglies dioksido srautų anglinio plieno vamzdynuose savybės

This document specifies requirements for the composition of CO2 streams relevant to the integrity of carbon steel pipeline systems, including limits on non-condensable components. It establishes the framework conditions for the supply, transportation and distribution of CO2 streams. Considerations related to the health effects of the CO2 stream (e.g. toxicity), environmental impact, or other properties of impurities are outside the scope of this document.

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prEN 3682-001 Viešoji apklausa

Komentavimo iki data 2026-12-05

Aerospace series - Connectors, plug and receptacle, electrical, rectangular, interchangeable insert type, rack to panel, operating temperature 150 °C continuous - Part 001: Technical specification

This document specifies the general characteristics, the conditions for qualification, acceptance and quality assurance, as well as the test programs and groups for connectors intended for use in a temperature range from - 65 °C to 150 °C continuous.

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prEN 18381 Viešoji apklausa

Komentavimo iki data 2026-10-17

Medienos ir medienos gaminių biologinis patvarumas. Medienos ir medienos gaminių medžiagų bandinių paruošimas prieš išplovimo bandymą

This document specifies a method for preparing treated wood test specimens prior leaching test to obtain water samples from treated wood which has been in conditions designed to simulate treated wood exposed out of ground contact (wood held in the storage yard after treatment and which has been in conditions designed to simulate outdoor, out of ground contact situations, use Class 3), or continuous contact with the ground or with water (use Class 4 or 5). This document is also applicable to untreated wood and modified wood. NOTE 1 Test methods written in CEN/TC 38 include how to prepare specimens of wood and wood-based materials before leaching tests. NOTE 2 EN 350 can be considered when using this document for testing untreated wood or modified wood, regarding reference wood species, number of test specimens etc.

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ISO/DIS 22859 Viešoji apklausa

Komentavimo iki data 2026-10-23

Biotechnologija. Biobankai. Iš virkštelės audinių gautoms žmogaus mezenchiminėms stromos ląstelėms keliami reikalavimai

This document specifies requirements for the biobanking of human mesenchymal stromal cells derived from umbilical cord tissue (i.e. Wharton’s jelly), further referred to as hUC-MSCs, including the collection of umbilical cord tissue and associated data, isolation, culture characterization, quality control, cryopreservation, storage, thawing, disposal, distribution and transport..This document is applicable to all organizations performing biobanking of hUC-MSCs used for research and development. This document does not apply to hUC-MSCs for the purpose of in vivo application in humans, clinical applications or therapeutic use. NOTE International, national or regional regulations or requirements, or multiple of them, can also apply to specific topics covered in this document.

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prEN ISO 25379-2 Viešoji apklausa

Komentavimo iki data 2026-11-19

In vitro diagnostikai taikomos naujos kartos sekoskaitos (NGS) veiksmų eiga. 2 dalis. Žmogaus RNR tyrimas

This document specifies requirements and gives recommendations for next generation sequencing (NGS) workflows. This document covers the pre-examination processes, human RNA isolation, sequencing library preparation, sequencing, sequence analysis and reporting of the examination of sequences for diagnostic purposes from isolated RNA from, e.g. formalin-fixed and paraffin embedded tissues, fresh frozen tissues, fine needle aspirates (FNA), whole blood, circulating tumour cells (CTCs), exosomes and other extracellular vesicles, and circulating cell free RNA from plasma. NOTE 1 Typical applications include, but are not limited to, NGS for oncology and clinical genetics, certain single-cell analyses. This document is addressing in vitro diagnostic examinations including laboratory developed tests and is applicable to medical laboratories, molecular pathology laboratories and molecular genetic laboratories, in vitro diagnostic developers and manufacturers, biobanks as well as institutions and organizations performing biomedical research or sequencing services. This document is not applicable for in situ sequencing, forensic sequencing, sequencing of pathogens or microorganisms and microbiome analysis. NOTE 2 International, national or regional regulations or requirements or multiples of them can also apply to specific topics covered in this document.

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prEN ISO 3821 Viešoji apklausa

Komentavimo iki data 2026-11-26

Dujinio suvirinimo įranga. Suvirinimo, pjaustymo ir panašių procesų guminės žarnos (ISO/DIS 3821:2026)

This document specifies requirements for rubber hoses (including twin hoses) for welding, cutting and allied processes. This document specifies requirements for rubber hoses for normal duty of 2 MPa (20 bar) and light duty [limited to hoses for maximum working pressure of 1 MPa (10 bar) and with bore up to and including 6,3 mm]. This document applies to hoses operated at temperatures −20 °C to +60 °C and used in: — gas welding and cutting; — arc welding under the protection of an inert or active gas; — processes allied to welding and cutting, in particular, heating, brazing, and metallization. This document does not specify requirements for hose assemblies; these are detailed in ISO 8207. This document applies neither to thermoplastics hoses nor to hoses used for high pressure [>0,15 MPa (>1,5 bar)] acetylene.

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prEN 1488 Viešoji apklausa

Komentavimo iki data 2026-11-22

Pastatų armatūra. Plėtimosi saugos įtaisai. Bandymai ir reikalavimai

This document specifies, dimensions, materials and performance requirements (including methods of test) for expansion groups, of nominal sizes from DN 15 to DN 25, having working pressures from 0,1 MPa (1 bar) to 1,0 MPa (10 bar). Expansion groups are fitted to the cold potable water supply only for expansion purposes, e.g. of storage water heaters, having a maximum distribution temperature of 95 °C. Expansion groups limit pressure in the water heater to which they are fitted, that is produced by thermal expansion of the water, prevent the backflow of water into the supply pipe and prevent the discharged water to get into contact with the water in the water heater. Expansion groups do not control temperature and alone do not constitute the protection required for storage water heaters. NOTE The use of the device specified in this document does not override the need to use controls (e.g. thermostats and thermal cut-outs) which act directly on the power sources of water heaters (for more information see Annex A).

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prEN IEC 60335-2-85:2026 Viešoji apklausa

Komentavimo iki data 2026-12-06

Buitiniai ir panašios paskirties elektriniai prietaisai. Sauga. 2-85 dalis. Ypatingieji reikalavimai, keliami audinių apdorojimo garu aparatams

The European standard deals with the safety of electric fabric steamers intended for household and similar purposes, their rated voltage being not more than 250 V including direct current (DC) supplied appliances and battery-operated appliances.

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ISO/DIS 24651 Viešoji apklausa

Komentavimo iki data 2026-10-23

Biotechnologija. Biobankai. Iš kaulų čiulpų gautoms žmogaus mezenchiminėms stromos ląstelėms keliami reikalavimai

This document specifies requirements for the biobanking of human mesenchymal stromal cells derived from bone marrow (hBM-MSCs), including the collection of bone marrow and associated data, isolation, culture, characterization, quality control, cryopreservation, storage, thawing, disposal, distribution and transport. This document is applicable to all organizations performing biobanking with hBM-MSCs used for research. This document does not apply to hBM-MSCs for the purpose of in vivo application in humans, cell therapy, clinical applications, tissue engineering or therapeutic use. NOTE International, national or regional regulations or requirements, or multiple of them, can also apply to specific topics covered in this document.

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