Standartų projektų sąrašas

EN 50559:2013/prA2:2026 Viešoji apklausa

Komentavimo iki data 2026-03-13

Elektrinis patalpų šildymas, grindinis šildymas, eksploatacinės charakteristikos. Apibrėžtys, bandymo metodai, matmenų nustatymas ir formulių simboliai

This European Standard applies to electrical underfloor heating of dwellings and all other buildings whose use corresponds to dwellings or is at least similar, having a maximum load bearing in use of 4 kN/m². This European Standard defines the main characteristics of electrical underfloor heating and establishes the method of testing of these characteristics as information for the user. This European Standard does not deal with: - installation and safety requirements; DIN VDE 0100-723.

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prEN ISO 14451-3 Viešoji apklausa

Komentavimo iki data 2026-03-19

Pirotechniniai gaminiai. Pirotechniniai gaminiai, skirti transporto priemonėms. 3 dalis. Ženklinimas (ISO/DIS 14451-3:2026)

ISO 14454-3:2013 specifies labelling requirements for pyrotechnic articles for vehicles.

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prEN ISO 19085-5 Viešoji apklausa

Komentavimo iki data 2026-04-14

Medienos apdirbimo mašinos. Sauga. 5 dalis. Formatinio pjaustymo staklės (ISO/DIS 19085-5:2026)

This document specifies the safety requirements and measures for dimension saws (defined in 3.1), capable of continuous production use and hereinafter referred to also as “machines”. The machines are designed to cut solid wood and material with similar physical characteristics to wood. This document deals with all significant hazards, hazardous situations and events, listed in Annex A, relevant to the machines, when operated, adjusted and maintained as intended and under the conditions foreseen by the manufacturer; reasonably foreseeable misuse has been considered too. Transport, assembly, dismantling, disabling and scrapping phases have also been taken into account. This document is also applicable to machines fitted with one or more of the following devices/additional working units, whose hazards have been dealt with: a) device to raise and lower the main saw blade and scoring saw blade; b) device to tilt the main saw blade and scoring saw blade for angled cutting in one or both directions; c) device for scoring; d) device for grooving with milling tool with a width not exceeding 20 mm; e) demountable power feed unit; f) power-operated sliding table; g) workpiece clamping. This document is not applicable to machines intended for use in potentially explosive atmospheres or to machines manufactured prior to the date of its publication.

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prEN IEC 60793-1-52:2026 Viešoji apklausa

Komentavimo iki data 2026-04-10

Optinės skaidulos. 1-52 dalis. Matavimo metodai ir bandymo procedūros. Temperatūros kitimo bandymai

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EN 50310:2016/prA2:2026 Viešoji apklausa

Komentavimo iki data 2026-03-13

Pastatų ir kitų statinių telekomunikacijų sujungimo tinklai

This document specifies requirements and provides recommendations for the design and installation of connections (bonds) between various electrically conductive elements in buildings and other structures, during their construction or refurbishment, in which information or telecommunications technology equipment is intended to be installed in order to: a) minimise the d.c. and a.c. potential differences in order to reduce the risk of malfunction of that equipment and interconnecting cabling due to electromagnetic disturbance; b) provide the telecommunications installation with a reliable signal reference – which may improve immunity from electromagnetic interference (EMI). The requirements of this European Standard are applicable to the buildings and other structures within premises addressed by EN 50174-2 (e.g. residential, office, industrial and data centres) but information given in this European Standard may be of assistance for other types of buildings and structures. NOTE Telecommunications centres (operator buildings) are addressed by ETSI/EN 300 253. This European Standard does not apply to power supply distribution of voltages over AC 1 000 V. Electromagnetic compatibility (EMC) requirements and safety requirements for power supply installation are outside the scope of this European Standard and are covered by other standards and regulations. However, information given in this European Standard may be of assistance in meeting the requirements of these standards and regulations.

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prEN 1908 Viešoji apklausa

Komentavimo iki data 2026-03-19

Lynų kelio įrenginių, suprojektuotų žmonėms vežti, saugos reikalavimai. Įtempimo įtaisai

This document specifies the safety requirements for the tensioning devices used in cableway installations designed to carry persons. The various types of cableway system and their environment are taken into account. This document applies to the design, manufacture, installation, maintenance and operation of rope tensioning devices and anchorages in cableway installations designed to carry persons. It sets out requirements for accident prevention and worker safety, without affecting the application of national regulations. National regulations related to construction, public safety or the protection of specific groups remain unaffected. This document does not apply to cableway installations for the carriage of goods or to inclined lifts.

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prEN ISO 23401-2 Viešoji apklausa

Komentavimo iki data 2026-04-07

Odontologija. Protezų pagrindo priderinimo medžiagos. 2 dalis. Trumpalaikio naudojimo minkštosios medžiagos (ISO/DIS 23401-2:2026)

This document specifies requirements for soft type denture lining materials suitable for short-term use, including functional impression taking using existing removable prosthesis, and the test methods to determine compliance with these requirements. This document also specifies requirements for packaging, marking the products and for the instructions for use to be supplied by the manufacturer. This document is not applicable to hard type denture lining materials or soft type denture lining materials for long-term use.

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prEN 50766:2026 Viešoji apklausa

Komentavimo iki data 2026-03-25

Kibernetinio saugumo reikalavimai, keliami pažeidimams atspariems mikroprocesoriams ir mikrovaldikliams

This document specifies the technical requirements for general-purposes tamper-resistant microprocessors and microcontrollers intended for integration into products that rely on them as a foundational security component. The microprocessors and microcontrollers in scope are designed for deployment in environments where the security features of the product integrating the platform are of importance, and where the threat landscape includes attackers with low but non-negligeable attack potential, corresponding to AVA_VAN.2 to AVA_VAN.3 as defined in [13].

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prEN 3645-001 Viešoji apklausa

Komentavimo iki data 2026-03-17

Aerospace series - Connectors, electrical, circular, scoop-proof, triple start threaded coupling, operating temperature 175 °C or 200 °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 threaded ring coupling circular connectors, fire resistant, intended for use in a temperature range from −65 °C to 175 °C continuous or 200 °C continuous according to the classes.

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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 61009-1:2026/prAA:2026 Viešoji apklausa

Komentavimo iki data 2026-04-08

Buitiniai ir panašios paskirties liekamąja srove valdomi jungtuvai su integruota apsauga nuo viršsrovių. 1 dalis. Bendrosios taisyklės

This document gives general requirements and tests for residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (hereafter referred to as RCBOs), 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 and rated short-circuit capacities not exceeding 25 000 A. RCBOs 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. These devices are also intended to protect against overcurrents in the wiring installations of buildings and similar applications. They are also intended to be used to provide protection against fire hazards due to a persistent earth fault current. RCBOs 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 RCBOs 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. These devices also perform the function of making, carrying and breaking overcurrents under specified conditions. RCBOs 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 RCBOs used in locations which have severe environmental conditions. RCBOs within the scope of this document are intended for use in an environment with pollution degree 2 (see 7.3). RCBOs 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). RCBOs, with the exception of those with an uninterrupted neutral, are suitable for use in IT systems. RCBOs 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. RCBOs 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. This document also applies to RCBOs obtained by the assembly of an adaptable residual current device with a circuit-breaker. The mechanical assembly is intended to be effected in the factory by the manufacturer, or on site, in which case the requirements of Annex G apply. It also applies to RCBOs having more than one rated current, provided that the means for changing from one discrete rating to another is not accessible in normal service and that the rating cannot be changed without the use of a tool. Particular requirements are necessary for RCBOs intended to be used at frequencies other than 50 Hz or 60 Hz. For RCBOs 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: ....

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prEN ISO 7817-3 Viešoji apklausa

Komentavimo iki data 2026-04-21

Statinio informacinis modeliavimas. Informacijos poreikio lygis. 3 dalis. Duomenų modelis ir schema (ISO/DIS 7817-3:2026)

The standard specifies a data model in UML and a derived XML schema (XSD) for defining the Level of Information Need in software applications based on concepts and principles given in Part 1, and guidance given in Part 2, in compliance with the principles and data exchange standards of data templates (ISO 23387). The standard defines the exchange format schema in XSD according to the UML schema and it gives guidelines for the usage and application of the schema. In addition, the integration with Linked Data principles and paradigms will be demonstrated.

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prEN IEC 60695-5-2:2026 Viešoji apklausa

Komentavimo iki data 2026-03-25

Gaisrinio pavojingumo bandymai. 5-2 dalis. Lakiųjų gaisro produktų sukeliamos korozinės pažaidos. Trumpa bandymo metodų apžvalga ir tinkamumas

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EN 62841-1:2015/prAC:2026 Viešoji apklausa

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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prEN 50191:2026 Viešoji apklausa

Komentavimo iki data 2026-04-01

Elektrinės bandymų įrangos įrengimas ir naudojimas

1.1 This document is applicable to the installation and operation of fixed and temporary electrical test installations. 1.2 Compliance with this document needs to be applied, if contact with live parts presents dangerous. This is the case when: a) the voltage exceeds 25 V AC (frequencies lower than 500 Hz) or 60 V DC and current exceeds 3 mA for AC or 12 mA for DC, or b) the voltage exceeds 25 V AC (for any frequency) or 60 V DC and the discharge energy of the test station and test object exceeds 350 mJ, or c) at frequencies above 500 Hz the national determined current and voltage values are applied. If there are no national requirements, determined reference values for permissible body currents and contact voltages can be taken from Table A.1; This document is applicable even if conditions a) to c) are fulfilled, due to other possible risks, e.g. risk of fire or explosion. NOTE The values for the resultant current of 3 mA AC or 12 mA DC comply with the information about the effects of current on human beings and livestock in IEC/TS 60479 1. 1.3 Some specifications in this document refer to a voltage value of 1 000 V. This value applies to AC voltages and is equated to a value of 1 500 V DC voltage. 1.4 Where no requirements are given in this document, the documents of the HD 60364 series (for nominal voltages up to 1 000 V) or EN IEC 61936 1 and EN 50522 (for nominal voltages exceeding 1 kV) apply to the installation of electrical test installations and EN 50110 1 applies to the operation of electrical test installations. 1.5 This document does not apply to the power supply to the test installations. In this case, the documents of the HD 60364 series (for nominal voltages up to 1 000 V) or EN IEC 61936 1 (for nominal voltages exceeding 1 kV) apply to their installation and EN 50110 1 applies to their operation.

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prEN 16729-1 Viešoji apklausa

Komentavimo iki data 2026-04-14

Geležinkelio taikmenys. Infrastruktūra. Bėgių neardomieji bandymai, atliekami bėgių kelyje. 1 dalis. Reikalavimai, keliami ultragarsinei kontrolei ir įvertinimo principams

This document applies to testing of rails installed in track for detecting internal discontinuities. This part applies to testing equipment fitted to dedicated test vehicles or manually-propelled devices. This document does not define the requirements for vehicle acceptance. This part of the series does not apply to ultrasonic testing of rails in a production plant. The document specifies the requirements for testing principles and systems in order to produce comparable results with regard to location, type and size of discontinuities in rails. This document is not aiming to give any guidelines for managing the result of ultrasonic rail testing. This document applies only to rail profiles meeting the requirements of EN 13674 1.

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prEN IEC 61850-7-400:2026 Viešoji apklausa

Komentavimo iki data 2026-04-22

Elektros tiekimo sistemų automatizavimo ryšių tinklai ir sistemos. 7-400 dalis. Pagrindinė ryšių struktūra. Suderinamos loginių mazgų ir duomenų objektų klasės. Pastočių automatika

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prEN ISO/ASTM 52961 Viešoji apklausa

Komentavimo iki data 2026-03-03

Adityvioji gamyba naudojant polimerus. Aplinka, sveikata ir sauga. Bendrieji polimerų naudojimo atliekant medžiagų ekstruziją principai (ISO/ASTM DIS 52961:2025)

This document provides guidance and requirements for risk assessment and implementation of prevention and protection measures relating to material extrusion-based additive manufacturing with polymer materials. The risks covered by this document concern all sub-processes composing the manufacturing process, including the management of waste. This document does not specify requirements for the design of machinery and equipment used for additive manufacturing.

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prEN ISO 20957-5 Viešoji apklausa

Komentavimo iki data 2026-03-17

Stacionarieji treniruokliai. 5 dalis. Dviratiniai treniruokliai ir viršutinės kūno dalies treniruokliai su skriejiku, papildomi specialieji saugos reikalavimai ir bandymo metodai (ISO/DIS 20957-5:2026)

ISO 20957-5:2016 specifies safety requirements for stationary exercise bicycles and upper body crank training equipment in addition to the general safety requirements of ISO 20957‑1. ISO 20957-5:2016 is applicable to stationary training equipment type stationary exercise bicycles and upper body crank training equipment (type 5) as defined in Clause 3 within the classes S, H, I and A, B, C according to ISO 20957‑1. Any attachment provided with the stationary exercise bicycles and upper body crank training equipment for the performance of additional exercises are subject to the requirements of ISO 20957‑1. ISO 20957-5:2016 is not applicable to roller stands as they cannot be made safe in a reasonable way.

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prEN ISO 17254 Viešoji apklausa

Komentavimo iki data 2026-04-07

Odontologija. Ortodontinės spyruoklės (ISO/DIS 17254:2026)

ISO 17254:2016 applies to coiled springs for use in orthodontic appliances. It gives details of methods to compare the physical and mechanical properties of coiled springs, the test methods by which they can be determined, as well as packaging and labelling requirements.

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prEN ISO 19277-1 Viešoji apklausa

Komentavimo iki data 2026-04-07

Naftos ir dujų pramonė, įskaitant mažesnio anglies dioksido pėdsako energijos gamybą. Po izoliacija esančių apsauginių dangų sistemų kvalifikacinis bandymas ir priėmimo kriterijai. 1 dalis. Skystosios dangos (ISO/DIS 19277-1:2026)

This document describes various corrosion under insulation (CUI) environments in refineries and other related industries and environments, and establishes CUI environmental categories including operating temperature ranges from −45 °C to 204 °C for topside and aboveground service only. This document specifies both established and other test methods for the assessment of coatings used for prevention of CUI for each given environment. This document also provides acceptance criteria for each CUI environment. NOTE The test results and acceptance criteria can be considered an aid in the selection of suitable coating systems. For service or peak temperatures below −45 °C an optional cryogenic test can be incorporated and for over 204 °C testing acceptance criteria can be agreed between interested parties. Additional or other test and acceptance measures are possible, but require particular agreement between the interested parties. This document covers spray-applied coatings applied on new carbon and austenitic stainless steel for use in CUI service. This document does not cover testing of sacrificial coatings, such as inorganic zinc, as these coatings can be consumed quickly in wet environments. Developing accelerated corrosion testing for what can be continuous wet service with sacrificial coatings is beyond the scope of this document. "Non-through porosity" thermal spray aluminium coatings with greater than 250 µm dry film thickness can be tested and qualified in accordance with this document. This document does not cover tape and sheet applied products for use in preventing CUI. This document does not deal with other aspects of coating degradation, such as those caused by abrasion, erosion, ultraviolet degradation or other methods that can exist given specific environment and construction methods.

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prEN IEC 61850-7-4:2026 Viešoji apklausa

Komentavimo iki data 2026-04-22

Elektros tiekimo sistemų automatizavimo ryšių tinklai ir sistemos. 7-4 dalis. Pagrindinė ryšių struktūra. Suderinamos loginių mazgų ir duomenų objektų klasės

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

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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prEN ISO 23739 Viešoji apklausa

Komentavimo iki data 2026-03-19

Techninė keramika (modernioji keramika, modernioji techninė keramika). Cirkonio oksido miltelių cheminės analizės metodai (ISO/DIS 23739:2026)

This document specifies methods for the chemical analysis of zirconium oxide powders used as the raw material for fine ceramics. It stipulates the determination methods of the zirconium, aluminium, barium, calcium, cerium, cobalt, gadolinium, hafnium, iron, magnesium, potassium, silicon, sodium, strontium, titanium and yttrium contents in zirconium oxide powders for fine ceramics. The test sample is decomposed by acid pressure decomposition or alkali fusion. Contents of zirconium and yttrium are determined by using either a precipitation and gravimetric method or an inductively coupled plasma–optical emission spectrometry (ICP–OES) method. Contents of aluminium, barium, calcium, cerium, cobalt, gadolinium, hafnium, iron, magnesium, potassium, silicon, sodium, strontium and titanium are determined by using an ICP–OES method.

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prEN 15450 Viešoji apklausa

Komentavimo iki data 2026-04-07

Pastatų šildymo sistemos. Šildymo sistemų su šilumos siurbliais projektavimas

This document specifies design criteria for heating and cooling systems in buildings using electrically driven heat pumps for heating and cooling alone or in combination with other heat generators. The heat pump systems considered in this document (source system/sink system) are listed in Table 1. For cooling purposes, energy source and energy sink can be reversed. This document also applies to other energy sources such as wastewater, massive absorbers, ice storage systems, as well as heat pump systems using more than one energy source. This document takes into account the heating requirements of attached systems (e.g. domestic hot water) in the design of the heat supply but does not cover the design of these systems. This document covers the aspects dealing with the heat pump, the interface with the heat distribution system and heat emission system, the control of the whole system and the aspects dealing with energy source of the system. Design criteria for reversible heat pump systems for heating and cooling are also included in this document. Table 1 - Heat pump systems used for heating (within the scope)

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