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prEN 18204 Viešoji apklausa
Komentavimo iki data 2025-08-26
Dumbliai ir jų produktai. Fikocianino kiekio Arthrospira (Spirulina) nustatymas

This document specifies a laboratory method for the quantification of phycocyanin content in the genus Arthrospira (Spirulina) by a spectrophotometric method.

prEN ISO 23611-1 Viešoji apklausa
Komentavimo iki data 2025-08-26
Dirvožemio kokybė. Dirvožemio bestuburių ėminių ėmimas. 1 dalis. Rankinis sliekų rūšiavimas ir jų išvarymas (ISO/DIS 23611-1:2025)

This document specifies a method for sampling and handling earthworms from field soils as a prerequisite for using these animals as bioindicators (e.g. to assess the quality of a soil as a habitat for organisms). This document applies to all terrestrial biotopes in which earthworms occur. The sampling design of field studies in general is given in ISO 18400‑101 and guidance on the determination of effects of pollutants on earthworms in field situations is given in ISO 11268‑3. These aspects can vary according to the national requirements or the climatic/regional conditions of the site to be sampled (see also Annex C). This document is not applicable for semi-terrestrial soils and it can be difficult to use under extreme climatic or geographical conditions (e.g. in high mountains). Methods for some other soil organism groups, such as collembolans, are covered in other parts of ISO 23611.

prEN ISO/ASTM 52946 Viešoji apklausa
Komentavimo iki data 2025-08-26
Adityvioji gamyba naudojant metalus. Lydymas miltelių sluoksnyje. Nerūdijančiojo plieno lydinių medžiagų savybės (ISO/ASTM DIS 52946:2025)

This document covers additively manufactured stainless steel components using full-melt powder bed fusion such as electron beam melting and laser melting. The components produced by these processes are used typically in applications that require mechanical properties similar to machined forgings and wrought products. Components manufactured to this specification are often, but not necessarily, post processed via machining, grinding, electrical discharge machining (EDM), polishing, and so forth to achieve desired surface finish and critical dimensions. This document is intended for the use of mechanical engineers to size equipment, purchasers or producers, of additively manufactured components for defining the requirements and ensuring component properties. This document does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this document to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

prEN 1915-2 Viešoji apklausa
Komentavimo iki data 2025-09-02
Orlaivių pagalbinė antžeminė įranga. Bendrieji reikalavimai. 2 dalis. Stabilumo ir stiprio reikalavimai, skaičiavimai ir bandymo metodai

This Part of EN 1915 specifies the conditions to be taken into consideration when calculating the strength and the stability of GSE according to EN 1915-1 and the EN 12312 series under intended use conditions. It also specifies general test methods. NOTE The methods given in this standard demonstrate one way of achieving an acceptable safety level. Methods that produce comparable results may be used. This Part of EN 1915 does not establish additional requirements for the following: - operation elsewhere than in an airport environment; - operation in severe conditions, e.g. ambient temperature below -20 C or over 50 C, tropical or saturated salty atmospheric environment; - hazards caused by wind velocity in excess of the figures given in this European Standard; - earthquake, flood, landslide, lightning and more generally any natural catastrophe. This Part of EN 1915 is not applicable to GSE which are manufactured before the date of publication by CEN of this Standard.

prEN 18235-1 Viešoji apklausa
Komentavimo iki data 2025-08-26
Patikimos duomenų operacijos. 1 dalis. Terminija, sąvokos ir mechanizmai

This document provides terminology, concepts and a description of mechanisms in the field of data exchange focusing on trusted data transactions. Those elements can be used in the development of standards in support of trusted data transactions and constitute a basis to identify key dimensions and criteria that contribute to the trust in a data transaction between interested parties. Therefore, those elements constitute a foundational understanding on which trusted data transactions can be based, independently of any architectural choices or technical implementation.

prEN 2133 Viešoji apklausa
Komentavimo iki data 2025-09-02
Aerospace series - Cadmium plating of steels with specified tensile strength ≤ 1 450 MPa, copper, copper alloys and nickel alloys

This document specifies the electrolytic cadmium plating of parts and fasteners in steel of tensile strength UTS ≤ 1 450 MPa, copper, copper alloys and nickel alloys, whose temperature in service does not exceed 235 °C.

prEN ISO 21388-1 Viešoji apklausa
Komentavimo iki data 2025-08-28
Akustika. Klausos aparatų pritaikymo valdymas. 1 dalis. Bendrasis procesas (ISO/DIS 21388-1:2025)

This document applies to hearing aid fitting management (HAFM) services offered by hearing aid professionals (HAP) when providing benefit for their clients. The provision of hearing aids relies on the knowledge and practices of a hearing aid professional, to ensure the proper fitting and adequate service in the interest of the client with hearing loss. This document specifies general processes of HAFM from the client profile to the follow-up through administering, organising and controlling hearing aid fitting through all stages. It also specifies important preconditions such as education, facilities and systems that are required to ensure proper services. The focus of this document is the services offered to the majority of adult clients with hearing impairment. It is recognized that certain populations with hearing loss such as children, persons with other disabilities or persons with implantable devices can require services outside the scope of this document. This document generally applies to air conduction hearing aids and for the most part also to bone conduction devices. Hearing loss can be a consequence of serious medical conditions. Hearing aid professionals are not in a position to diagnose or treat such conditions. When assisting clients seeking hearing rehabilitation without prior medical examination, hearing aid professionals are expected to be observant of symptoms of such conditions and refer to proper medical care. Further to the main body of the document, which specifies the HAFM requirements and processes, several informative annexes are provided. Appropriate education of hearing aid professionals is vital for exercising HAFM. Annex A defines the competencies required for the HAFM processes. Annex B offers a recommended curriculum for the education of hearing aid professionals. Annex C is an example of an appropriate fitting room. Annex D gives guidance on the referral of clients for medical or other specialist examination and treatment. Annex E is a recommendation for important information to be exchanged with the client during the process of HAFM. Annex F is a comprehensive terminology list offering definitions of the most current terms related to HAFM. It is the intention that these annexes be helpful to those who wish to deliver HAFM of the highest quality.

prEN 319 401 V3.2.0 (2025-06) Viešoji apklausa
Komentavimo iki data 2025-08-31
Electronic Signatures and Trust Infrastructures (ESI); General Policy Requirements for Trust Service Providers
prEN ISO 10565 Viešoji apklausa
Komentavimo iki data 2025-08-15
Aliejingosios sėklos. Aliejaus ir vandens kiekių vienalaikis nustatymas. Impulsinio magnetinio branduolių rezonanso spektrometrijos metodas (ISO/DIS 10565:2025)

This International Standard specifies a rapid method for the determination of the oil and water contents of commercial oilseeds using pulsed nuclear magnetic resonance (NMR). It is applicable to rapeseeds, soya beans, linseeds and sunflower seeds with a water content less than 10 %. For seeds with higher water contents, drying is necessary before the oil content can be determined by pulsed NMR. NOTE 1 This method has been tested with rapeseeds, soya beans, linseeds and sunflower seeds. This does not, however, preclude its applicability to other commercial seeds whose oil is liquid at the temperature of measurement. NOTE 2 The reproducibility values are generally higher than those obtained by the drying method (ISO 665)

EN ISO 21805:2023/prA1 Viešoji apklausa
Komentavimo iki data 2025-08-26
Įtaisų, padedančių išlaikyti dujinėmis gaisro gesinimo sistemomis apsaugotų atitvarų konstrukcinį vientisumą, projektavimo, parinkimo ir įrengimo nurodymai ir rekomendacijos. 1 keitinys (ISO 21805:2023/DAM 1:2025)
prEN 18216 Viešoji apklausa
Komentavimo iki data 2025-09-02
Skaitmeninis gaminio pasas. Duomenų mainų protokolai

This document defines a standard for secure and efficient data exchange protocols and data formats to be used for the digital product passport. Data exchange protocols establish the rules and procedures that systems follow when communicating and exchanging information. Data formats define the structure and presentation of that information so it can be understood and processed correctly by the involved systems. Together, protocols and formats ensure that data can be exchanged in a manner that is secure, reliable, and compatible across various platforms and sectors. This will guarantee that data is machine-readable, structured, searchable, and transferable through an open, interoperable network without vendor lock-in. a) Secure communication: this standard defines protocols that ensure secure and authenticated data exchange between systems, ensuring that data is protected against unauthorised access and that only authorised entities can access the information. b) Interoperability for data exchange: The protocols and data formats defined in this standard allow for easy integration with existing data exchange systems, ensure compatibility of protocols and formats across various sectors and supporting a wide range of applications and use cases. c) Ease of use and integration: Ensure that the identified protocols and formats can be implemented easily, especially for mobile devices, and are user-friendly in order to facilitate widespread adoption. d) Data integrity: The protocols and data formats defined in this document ensure the integrity of information linked to physical objects and electronic data throughout the entire value chain, extending to the product's or asset's end-of-life end-of-life. e) Documentation and Discoverability: The protocols and formats are available to individuals without specialised knowledge, enabling broader adoption across sectors In order to promote interoperability, reduce costs for businesses, and align with existing European regulations and initiatives, this document considers the data exchange protocols and data formats already in use in other legislations. Relevant existing standards are integrated into the development process to ensure consistency and coherence with industry practices and regulatory frameworks.

ISO/DIS 5565-1 Viešoji apklausa
Komentavimo iki data 2025-08-24
Vanilė [Vanilla fragrans (Salisbury) Ames, sin. Vanilla planifolia Andrews ir Vanilla x tahitensis JW Moore]. 1 dalis. Specifikacija
prEN IEC 61755-3-7:2025 Viešoji apklausa
Komentavimo iki data 2025-09-03
Skaiduliniai optiniai sujungimo įtaisai ir pasyvieji komponentai. Optiniai jungčių sietuvai. 3-7 dalis. Nepaslinktosios dispersijos vienmodžių fiziškai suliečiamų skaidulų jungčių parametrai. Nenusklembtos 2,5 mm ir 1,25 mm skersmens cilindrinės sudėtinės movinės jungtys, kurių skaidulą gaubia titanas
prEN ISO 14532 Viešoji apklausa
Komentavimo iki data 2025-07-22
Gamtinės dujos. Aiškinamasis žodynas (ISO/DIS 14532:2025)

ISO 14532:2014 establishes the terms, definitions, symbols, and abbreviations used in the field of natural gas. The terms and definitions have been reviewed and studied in order to cover all aspects of any particular term with input from other sources such as European Standards from CEN (The European Committee for Standardization), national standards, and existing definitions in the IGU Dictionary of the Gas Industry. The definitive intention of ISO 14532:2014 is to incorporate the reviewed definitions into the ISO/TC 193 source standards.

prEN IEC 60794-1-118:2025 Viešoji apklausa
Komentavimo iki data 2025-07-30
Optiniai skaiduliniai kabeliai. 1-118 dalis. Bendroji specifikacija. Pagrindinės optinių kabelių bandymo procedūros. Mechaninių bandymų metodai. Lenkimas esant tempimui, E18 metodas
prEN 15767-2 Viešoji apklausa
Komentavimo iki data 2025-08-19
Kilnojamoji gesinimo medžiagų purškimo įranga ir kilnojamoji pagalbinė gaisrų gesinimo įranga. Kilnojamieji lafetiniai švirkštai. 2 dalis. Vandens antgaliai

In addition to the requirements given in EN 15767-1, this document is applicable to manual water nozzles, including water with fire extinguishing additives. It specifies requirements for safety, performance, classification and designation, as well as test methods, instructions for use and maintenance and marking. This document is not applicable to water nozzles that are manufactured before its date of publication.

EN ISO 11290-2:2017/prA1:2025 Viešoji apklausa
Komentavimo iki data 2025-07-29
Maisto grandinės mikrobiologija. Bendrasis Listeria monocytogenes bei Listeria spp. aptikimo ir skaičiavimo metodas. 2 dalis. Skaičiavimo metodas. 1 keitinys. Nurodymų dėl mėginių laikymo prieš analizę įtraukimas ir mitybos terpių bei reagentų veiksmingumui tirti naudojamos kontrolinės padermės pakeitimas (ISO 11290-2:2017/DAmd1:2025)
prEN ISO 17225-5 Viešoji apklausa
Komentavimo iki data 2025-07-22
Kietasis biokuras. Kuro specifikacijos ir klasės. 5 dalis. Rūšiuotos malkos (ISO/DIS 17225-5:2025)

This document determines the fuel quality classes and specifications of graded firewood. This document covers only firewood produced from the following raw materials (see ISO 17725‑1:2021, Table 1): —    1.1.1 Whole trees without roots; —    1.1.3 Stem wood; —    1.1.4 Logging residues (thick branches, tops etc.); —    1.2.1 Chemically untreated by-products and residues from wood processing industry.

prEN 50562-1:2025 Viešoji apklausa
Komentavimo iki data 2025-08-05
Stacionarieji geležinkelio įrenginiai. Elektrinės traukos maitinimo sistemų sauga. 1 dalis. Bendrieji principai, taikomi įprastiniam naudojimui, funkcijoms ir savybėms

This document defines the process, protective measures and demonstration of safety in accordance with EN 50126-1:2017 and EN 50126 2:2017 for AC and DC electric traction power supply systems for railways. This document can also be applied to urban rail and trolleybus systems. All these systems can be elevated, at-grade and underground. This document has two parts: — prEN 50562 1:2025 establishes the code of practice for conventional applications, functions and properties in electric traction power supply systems. — prEN 50562 2:2025 supports the implementation of non-conventional applications, functions and properties in electric traction power supply systems. This document applies to electric traction power supply systems, which are new or are undergoing major changes as defined in the legal framework. For similar technology and similar hazardous scenarios, the safety considerations can be used as a guideline. This document does not apply to: — underground mine traction systems, — cranes, transportable platforms and similar transportation equipment on rails, temporary structures (e.g. exhibition structures) in so far as these are not supplied directly or via transformers from the contact line system and are not endangered by the traction power supply system, — suspended cable cars, — funicular railways, — magnetic levitated systems, This document does not consider aspects like IT-security or protection against any other malevolent acts. It is assumed that those aspects are handled on the overall system level. NOTE For railways IT-security is covered in CLC/TS 50701. Because of the short life cycles of IT security applications it is advisable to separate IT-security functions from safety functions at least on virtual levels. E.g. the frequent patch processes for updating the IT-security applications is expected to be independent from safety applications.

prEN ISO 105-C09 Viešoji apklausa
Komentavimo iki data 2025-08-19
Tekstilė. Spalvos atsparumo bandymai. C09 dalis. Spalvos atsparumas buitiniam ir pramoniniam skalbimui. Reakcija į oksidacinį baliklį naudojant befosfatį etaloninį skalbiklį, kuriame yra žematemperatūrio balinimo aktyviklio (ISO/DIS 105-C09:2025)

This part of ISO 105 specifies a method for determining the consumer relevant shade change of textiles, of all kinds, (excluding silk and wool) and in all forms, to domestic/commercial laundering procedures in which a bleach activator (oxygen bleaching system) is used. The colour fastness resulting from oxygen bleaching in this test provides an indication of the shade change behaviour observed after multiple domestic/commercial launderings. This part of ISO 105 is not applicable for the assessment of the dye staining of adjacent fabrics, where suitable methods are described in ISO 105-A04. This part of ISO 105 does not reflect the contribution of optical brighteners, which are present in some commercial washing products, to shade change. This part of ISO 105 specifies a procedure incorporating the use of ECE1) non-phosphate reference detergent, sodium perborate tetrahydrate, and the bleach activator tetra-acetylethylenediamine (TAED). An alternative test procedure using the AATCC 1993 zero phosphate reference detergent (without optical brightener), and incorporating sodium perborate monohydrate and the bleach activator sodium nonanoyloxybenzene sulphonate (SNOBS) is currently under development.

EN 15016-2:2023/prA1 Viešoji apklausa
Komentavimo iki data 2025-08-26
Geležinkelio taikmenys. Techniniai dokumentai. 2 dalis. Dalių sąrašai

This document specifies the preparation and reproduction of design parts lists. This document defines the basic principles and structure of design parts lists. This document is applicable to all design parts lists for railway applications.

prEN ISO 20815 Viešoji apklausa
Komentavimo iki data 2025-07-27
Naftos ir dujų pramonė, įskaitant mažesnio anglies dioksido pėdsako energijos gamybą. Gamybos užtikrinimas ir patikimumo valdymas (ISO/DIS 20815:2025)

This document describes the concept of production assurance within the systems and operations associated with exploration drilling, exploitation, processing and transport of petroleum, petrochemical and natural gas resources. This document covers upstream (including subsea), midstream and downstream facilities, petrochemical and associated activities. It focuses on production assurance of oil and gas production, processing and associated activities and covers the analysis of reliability and maintenance of the components. This includes a variety of business categories and associated systems/equipment in the oil and gas value chain. Production assurance addresses not only hydrocarbon production, but also associated activities such as drilling, pipeline installation and subsea intervention. This document provides processes and activities, requirements and guidelines for systematic management, effective planning, execution and use of production assurance and reliability technology. This is to achieve cost-effective solutions over the life cycle of an asset development project structured around the following main elements: — production assurance management for optimum economy of the facility through all of its life cycle phases, while also considering constraints arising from health, safety, environment, and quality; — planning, execution and implementation of reliability technology; — application of reliability and maintenance data; — reliability-based technology development, design and operational improvement. The IEC 60300-3 series addresses equipment reliability and maintenance performance in general. This document designates 12 processes, of which seven are defined as core production assurance processes and addressed in this document. The remaining five processes are denoted as interacting processes and are outside the scope of this document. The interaction of the core production assurance processes with these interacting processes, however, is within the scope of this document as the information flow to and from these latter processes is required to ensure that production assurance requirements can be fulfilled. The only requirement mandated by this document is the establishment and execution of the production assurance programme (PAP). It is important to reflect the PAP in the overall project management in the project for which it applies. This document recommends that the listed processes and activities be initiated only if they can be considered to add value.

prEN 1364-5 Viešoji apklausa
Komentavimo iki data 2025-08-12
Nelaikančiųjų elementų atsparumo ugniai bandymai. 5 dalis. Oro pernašos grotelės

This document specifies a method for determining the fire resistance of air transfer grilles (ATG). It is applicable to air transfer grilles intended for installation in building components (typically walls, floors or ceilings). The orientation of the installation of the air transfer grille can be vertical or horizontal. The closing mechanism of the air transfer grille can come from expansion of material and/or from any mechanical or electrical closing device. This test method is valid for fire resistant or fire resistant and smoke control air transfer grilles. An additional test configuration is valid for fire resistant or fire resistant and smoke control air transfer grilles in applications where flame impingement is a risk during open state from start of fire (Annex A). This test method evaluates the behaviour of the air transfer grille when exposed to the standard fire curve described in EN 1363 1 and the standard pressure described in EN 1363 1. It is not the intention of this test to provide quantitative information on the rate of leakage of smoke and/or hot gases or on the transmission or generation of fumes under fire conditions. Such phenomena are only noted in describing the general behaviour of test specimens during the test. The rate of leakage of smoke at ambient temperature or at 200 °C as an optional requirement for ATG with declared smoke control will be confirmed in accordance with EN 1634 3. This test method is not valid for determining the fire resistance of air transfer grilles that are used in ducts because ATG are considered as separating elements. The test method for ATG, used in ducts is described in the corresponding duct standards. This test method is not valid for determining the fire resistance of a fire damper or a fire barrier connected to a duct on either or both sides because an ATG is tested as a fire-separating element on its own. Fire dampers are tested according to EN 1366 2. Non-mechanical fire barriers are tested according to EN 1366 12. This test method is not valid for determining the fire resistance of air transfer grilles in fire doors, shutters and openable windows as specified in EN 1634 1 and EN 1364 2, because the deformation of fire doors, shutters and openable windows in fire conditions differs from the deformation of flexible/rigid walls. Moreover, the location of thermocouples in the door standard is too specific to be handled in this document. All values given in this document are nominal unless otherwise specified.

prEN ISO 8067 Viešoji apklausa
Komentavimo iki data 2025-08-05
Lanksčios akytosios polimerinės medžiagos. Atsparumo plėšimui nustatymas (ISO/DIS 8067:2025)

This document specifies two methods for the determination of the tear strength of flexible cellular polymeric materials: — method A, using a trouser test piece; — method B, using an angle test piece without a nick.

prEN 3293 Viešoji apklausa
Komentavimo iki data 2025-08-19
Aerospace series - Bolts, T-head, close tolerance, medium thread length, in heat resisting nickel base alloy NI-P100HT (Inconel 718), uncoated - Classification: 1 275 MPa/650 °C

This document specifies the dimensions of uncoated T-head bolts, close tolerance, with MJ-thread, medium thread length, in heat-resisting nickel base alloy NI-P100HT for aerospace applications. Maximum test temperature of the parts is 650 °C. These bolts are used in aerospace fastening systems mainly stressed in shearing force.

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