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prEN ISO 23697-1 Viešoji apklausa

Komentavimo iki data 2025-10-28

Vandens kokybė. Bendrojo sujungtojo azoto kiekio (ST-TNb) vandenyje nustatymas mažo masto tyrimo naudojant užsandarintus mėgintuvėlius metodu. 1 dalis. Dimetilfenolio spalvinė reakcija (ISO 23697-1:2023)

This document specifies a method for the determination of total bound nitrogen (ST-TNb) in water of various origins: groundwater, surface water, and wastewater, in a measuring range of concentration generally between 0,5 mg/l and 220 mg/l of ST-TNb using the small-scale sealed tube method. Different measuring ranges of small-scale sealed tube methods can be required. The measuring ranges can vary depending on the type of small-scale sealed tube method of different manufacturers. It is up to the user to choose the small-scale sealed tube with the appropriate application range or to adapt samples with concentrations exceeding the measuring range of a test by preliminary dilution. NOTE The results of a small-scale sealed tube are most precise in the middle of the application range of the test. All small-scale sealed tube methods are based on a heated alkaline potassium persulfate oxidation in a heating block. Different digestion temperatures, 100 °C or 120 °C or 170 °C, and different digestion times are applicable. Dimethylphenol colour reactions are applied, depending on the typical operating procedure of the small-scale sealed tube used, see Clause 9.

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prEN ISO 23696-2 Viešoji apklausa

Komentavimo iki data 2025-10-28

Vandens kokybė. Nitratų kiekio vandenyje nustatymas mažo masto tyrimo naudojant užsandarintus mėgintuvėlius metodu. 2 dalis. Chromotropo rūgšties spalvinė reakcija (ISO 23696-2:2023)

This document specifies a method for the determination of nitrate as NO3-N in water of various origin such as natural water (including groundwater, surface water and bathing water), drinking water and wastewater, in a measuring range of concentration between 0,20 mg/l and 30 mg/l of NO3-N using the small-scale sealed tube method. Different measuring ranges of small-scale sealed tube methods can be required. The measuring ranges can vary depending on the type of the small-scale sealed tube method of different manufacturers. It is up to the user to choose the small-scale sealed tube test with the appropriate application range or to adapt samples with concentrations exceeding the measuring range of a test by preliminary dilution. NOTE 1 The results of a small-scale sealed tube test are most precise in the middle of the application range of the test. Manufacturers' small-scale sealed tube methods are based on chromotropic colour reaction, depending on the typical operating procedure of the small-scale sealed tube used, see Clause 9. NOTE 2 Laws, regulations or standards can require that the data is expressed as NO3 after conversion with the stoichiometric conversion factor 4,426 81 in Clause 11. NOTE 3 In the habitual language, use of sewage treatment and on the displays of automated sealed-tube test devices, NO3 without indication of the negative charge has become the common notation for the parameter nitrate and especially for the parameter nitrate-N. This notation is adopted in this document even though not being quite correct chemical nomenclature.

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prEN ISO 23696-1 Viešoji apklausa

Komentavimo iki data 2025-10-28

Vandens kokybė. Nitratų kiekio vandenyje nustatymas mažo masto tyrimo naudojant užsandarintus mėgintuvėlius metodu. 1 dalis. Dimetilfenolio spalvinė reakcija (ISO 23696-1:2023)

This document specifies a method for the determination of nitrate as NO3-N in water of various origin such as natural water (including groundwater, surface water and bathing water), drinking water and wastewater, in a measuring range of concentration between 0,10 mg/l and 225 mg/l of N03-N using the small-scale sealed tube method. Different measuring ranges of small-scale sealed tube methods can be required. The measuring ranges can vary depending on the type of the small-scale sealed tube method of different manufacturers. It is up to the user to choose the small-scale sealed tube test with the appropriate application range or to adapt samples with concentrations exceeding the measuring range of a test by preliminary dilution. NOTE 1 The results of a sealed-tube test are most precise in the middle of the application range of the test. Manufacturers' small-scale sealed tube methods are based on dimethylphenol colour reaction depending on the typical operating procedure of the small-scale sealed tube used, see Clause 9. NOTE 2 Laws, regulations or standards can require that the data is expressed as NO3- after conversion with the stoichiometric conversion factor 4,426 81 in Clause 11. NOTE 3 In the habitual language, use of sewage treatment and on the displays of automated sealed-tube test devices, NO3 without indication of the negative charge has become the common notation for the parameter nitrate and especially for the parameter nitrate-N. This notation is adopted in this document even though not being quite correct chemical nomenclature.

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prEN 15723 Viešoji apklausa

Komentavimo iki data 2025-10-28

Geležinkelio taikmenys. Prekinių vagonų krovinio apsaugos įtaisų uždarymo ir fiksavimo įtaisai

This document specifies the requirements for closing and locking devices of heavy rail freight wagons including durability, their status indication, maintenance and recycling. Annex A specifies pass-fail criteria for the dimensioning tests. This document is not applicable to closing and locking devices which are used to ensure a pressure difference or to retain liquids/liquid payloads. This document is not applicable to heavy rail freight wagons which are emptied by pressure, nor is it applicable to lose tarpaulins.

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prEN 12726 Viešoji apklausa

Komentavimo iki data 2025-10-28

Stiklinė tara. 18,5 mm angos skersmens iš vidaus sandarinami kakleliai, skirti bandymą atidaryti rodantiems antkamščiams

This document specifies the dimensions of a mouth finish for stoppers and capsules for glass bottles containing a wine that has a carbonation not exceeding 1,2 g CO2/l, with internal sealing. Two options of finish height are proposed, 14 and 16 mm, the most common one being 16 mm. NOTE Carbonation over 1,2 g CO2/l requires a suitable container and stopper agreed between the glassmaker, the stopper manufacturer, and the packer/filler.

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prEN 12266-1 Viešoji apklausa

Komentavimo iki data 2025-10-28

Pramoninės sklendės. Metalinių sklendžių bandymai. 1 dalis. Slėginiai bandymai, bandymo procedūros ir priėmimo kriterijai. Privalomieji reikalavimai

This document specifies requirements for tests, test procedures and acceptance criteria for production testing of industrial valves made of metallic materials. NOTE The specified tests can also be used as type tests or acceptance tests. This document does not apply to: - industrial valves of thermoplastic materials; - safety valves and bursting discs (safety accessories); - sight glass with its frames (component of a pressure equipment). When specified as a normative reference in a valve product or performance standard, this document is to be considered in conjunction with given specific requirements of the valve product or performance standard. Where requirements in a product or performance standard differ from those given in this document, the requirements of the product or performance standard apply.

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prEN 12516-3 Viešoji apklausa

Komentavimo iki data 2025-10-28

Pramoninės sklendės. Projektinis apvalkalo stipris. 3 dalis. Eksperimentinis metodas

This document specifies requirements for an experimental method to prove that representative samples of valve shells and their body ends, made in cast iron, steel or copper alloy materials, are designed to possess the required pressure containing capability, with an adequate margin of safety. This document is not applicable to valves designed on the basis of time dependent strength values (creep) or valves designed for pulsating pressure applications (fatigue). For valves in the scope of the European legislation for pressure equipment, the sole use of an experimental method is only permitted when the maximum allowable pressure at room temperature, PS, multiplied by the DN-number is less than 3 000 bar. This document is used to supplement the tabulation method EN 12516-1:2014+A1:2018, and the calculation method EN 12516-2:2014+A1:2021 without limit.

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prEN 17210 Viešoji apklausa

Komentavimo iki data 2025-10-28

Apstatytosios aplinkos prieinamumas ir tinkamumas naudoti. Reikalavimai ir rekomendacijos

This document describes functional requirements and recommendations for an accessible and usable built environment, following a "Universal Design"/"Design for All" approach which will facilitate equitable and safe use for a wide range of users, including persons with disabilities. This document also describes performance requirements as applicable for an accessible and usable built environment. The requirements and recommendations given in this document are applicable across the full spectrum of the built environment. These requirements and recommendations for an accessible and usable built environment are relevant to design, construction, refurbishment or adaptation, and maintenance, including outdoor pedestrian and urban areas. NOTE 1 ‘Design for All’ and ‘Universal Design’ share a similar inclusive design philosophy. "Universal Design" means the design of products, environments, programmes and services to be usable by all people, to the greatest extent possible, without the need for adaptation or specialized design. "Universal Design" does not exclude assistive devices for particular groups of persons with disabilities where this is needed. NOTE 2 Terms such as "design for all", "universal design", "accessible design", "barrier-free design", "inclusive design" and "transgenerational design" are often used interchangeably with the same meaning. NOTE 3 This document does not cover management and maintenance issues, but provides basic information in Annex B. NOTE 4 All figures are provided as examples. They are described by their title and key and do not provide additional information. Some figures show negative examples to be avoided; these are identified by the insertion of a red cross on them. A list of all the figures included is this document is given in the informative Annex C. NOTE 5 In the case of refurbishment or adaptations of existing buildings or infrastructures, a specific study including feasibility determines the extent to which the functional requirements and recommendations can be met.

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prEN 1621-4 Viešoji apklausa

Komentavimo iki data 2025-10-28

Apsauginė motociklininkų apranga nuo mechaninio smūgio. 4 dalis. Pripučiamieji motociklininkų apsaugai. Reikalavimai ir bandymo metodai

This document covers requirements and test methods for mechanically activated inflatable protectors for motorcycle riders (in the following text called inflatable protector). It specifies the minimum level of protection, the minimum intervention time for the airbag system and the minimum coverage body zone to be protected by motorcyclists' inflatable protector worn by riders. The requirements of this document are applicable to various design of inflatable protectors and refer to all body areas and their combinations, which are claimed to be protected. Requirement of this document are applicable to airbag system, to the specific hosting garment (or textile restrain system) and to the mechanical triggering system. This document contains the requirements for assessing the performance of airbag system, specific hosting garment (or textile restraint system), and mechanical triggering system during an accident and details of the test methods, requirements sizing, ergonomics, innocuousness, labelling and the provision of information. This document is not applicable to pre inflated protector. Inflatable protectors other than mechanically activated are not covered by this document.

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prEN 16202 Viešoji apklausa

Komentavimo iki data 2025-10-28

Kompostas ir degazuotasis substratas. Makroskopinių priemaišų ir akmenų kiekio nustatymas

This European Standard specifies a method to determine the macroscopic impurities > 2 mm and stones > 5 mm in compost and digestate. Macroscopic impurities are contaminants not naturally occurring in soil such as pieces of glass, metal, plastics, rubber, cigarette buds etc.) This method is not able to make a distinction between compostable and non-compostable plastics. Fragments of wood or bark are acceptable constituents of the sample and not classified as macroscopic impurities.

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prEN ISO 18589-7 Viešoji apklausa

Komentavimo iki data 2025-10-23

Aplinkos radioaktyvumo matavimas. Dirvožemis. 7 dalis. Gama spinduliuotę skleidžiančių radionuklidų matavimas vietoje (ISO/FDIS 18589-7:2025)

ISO 18589-7:2013 specifies the identification of radionuclides and the measurement of their activity in soil using in situ gamma spectrometry with portable systems equipped with germanium or scintillation detectors. ISO 18589-7:2013 is suitable to rapidly assess the activity of artificial and natural radionuclides deposited on or present in soil layers of large areas of a site under investigation. ISO 18589-7:2013 can be used in connection with radionuclide measurements of soil samples in the laboratory (ISO 18589‑3) in the following cases: · routine surveillance of the impact of radioactivity released from nuclear installations or of the evolution of radioactivity in the region; · investigations of accident and incident situations; · planning and surveillance of remedial action; · decommissioning of installations or the clearance of materials. It can also be used for the identification of airborne artificial radionuclides, when assessing the exposure levels inside buildings or during waste disposal operations. Following a nuclear accident, in situ gamma spectrometry is a powerful method for rapid evaluation of the gamma activity deposited onto the soil surface as well as the surficial contamination of flat objects.

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prEN 2243-7 Viešoji apklausa

Komentavimo iki data 2025-10-21

Aerospace series - Structural adhesives - Test methods - Part 7: Determination of the flow of adhesive film

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prEN ISO/IEC 27019 Viešoji apklausa

Komentavimo iki data 2025-10-19

Informacijos saugumas, kibernetinis saugumas ir privatumo apsauga. Informacijos saugumo kontrolės priemonės, skirtos energetikos sektoriui (ISO/IEC 27019:2024)

This document provides information security controls for the energy utility industry, based on ISO/IEC 27002:2022, for controlling and monitoring the production or generation, transmission, storage and distribution of electric power, gas, oil and heat, and for the control of associated supporting processes.

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prEN ISO 24181-1 Viešoji apklausa

Komentavimo iki data 2025-10-21

Retųjų žemių elementai. Ne retųjų žemių elementų priemaišų atskiruose retųjų žemių metaluose ir jų oksiduose nustatymas induktyviai susietos plazmos atominės emisinės spektroskopijos (ICP-AES) metodu. ICP-AES. 1 dalis. Al, Ca, Mg, Fe ir Si analizė (ISO 24181-1:2024)

This document describes procedures for the determination of non-rare earth impurities in individual rare earth metals and their oxides through the use of inductively coupled plasma atomic emission spectroscopy (ICP-AES). Magnesium (Mg), aluminum (Al), silicon (Si), calcium (Ca) and iron (Fe) are included as non- rare earth impurity elements, and the measurement ranges for each impurity element are specified. The applicable measurement range (mass fraction %) of magnesium, aluminum, silicon and calcium is from 0,001 to 0,2, and that of iron is from 0,001 to 0,5. The verified measurement ranges in the interlaboratory tests are described later in this document.

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prEN ISO 8894-2 Viešoji apklausa

Komentavimo iki data 2025-10-21

Ugniai atsparios medžiagos. Savitojo šiluminio laidžio nustatymas. 2 dalis. Karštosios vielos metodas (lygiagretusis) (ISO 8894-2:2007)

ISO 8894-2:2007 describes a hot-wire (parallel) method for the determination of the thermal conductivity of refractory products and materials.

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prEN ISO 10059-1 Viešoji apklausa

Komentavimo iki data 2025-10-21

Tankieji forminiai ugniai atsparūs gaminiai. Gniuždomojo stiprio aplinkos temperatūroje nustatymas. 1 dalis. Arbitražinis bandymas nenaudojant atraminės medžiagos (ISO 10059-1:2025)

This document specifies a method for determination of the cold compressive strength of dense shaped refractory products. Shaped refractories are those which have fixed geometry and dimensions when delivered to the user. This document is accordingly applicable to standard shape refractory bricks, but also special shapes refractory products and pre-cast products.

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prEN ISO 5014 Viešoji apklausa

Komentavimo iki data 2025-10-21

Tankieji ir izoliaciniai forminiai ugniai atsparūs gaminiai. Lenkiamojo stiprio aplinkos temperatūroje nustatymas (ISO 5014:2025)

This document specifies a method for the determination of the modulus of rupture of dense and insulating shaped refractory products at ambient temperature, under conditions of a constant rate of increase of stress. Shaped refractories are those which have fixed geometry and dimensions when delivered to the user. This document is accordingly applicable to standard shape refractory bricks, but also special shapes refractory products and pre-cast products. This document is also applicable to unshaped refractories (see ISO 1927-6) after preparation of test specimens according to ISO 1927-5.

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prEN 4500-003 Viešoji apklausa

Komentavimo iki data 2025-10-21

Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 003: Specific rules for heat-resisting alloys

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prEN 4500-004 Viešoji apklausa

Komentavimo iki data 2025-10-21

Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 004: Specific rules for titanium and titanium alloys

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prEN 4500-006 Viešoji apklausa

Komentavimo iki data 2025-10-21

Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 006: Specific rules for filler metals and brazing

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prEN 4500-001 Viešoji apklausa

Komentavimo iki data 2025-10-21

Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 001: General rules

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prEN 4500-002 Viešoji apklausa

Komentavimo iki data 2025-10-21

Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 002: Specific rules for aluminium, aluminium alloys and magnesium alloys

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prEN 18246 Viešoji apklausa

Komentavimo iki data 2025-10-21

Skaitmeninis gaminio pasas. Duomenų autentiškumo patvirtinimas, patikimumas ir vientisumas

This document defines the requirements and frameworks for secure information processing and communication to safeguard integrity, authenticity and reliability in the digital product passport (DPP) data exchange, minimizing product fraud and counterfeiting through data verification and integrity enforcement mechanisms. This document provides a framework for establishing trust, interoperability, and interoperation via secure electronically signed data construct (ESDC) for multi-actor applications, applicable across various sectors and in multilingual environments. Existing hardware and software systems for unique product identification and storage of this identification are to be considered. The following is out of the scope of this document: system architecture for DPP, DPP use cases, secure elements related to data carriers and cryptographic security features for unique product identifiers. NOTE 1 While not disrupting existing traceability and authentication systems, this document facilitates interoperability by introducing an ESDC scheme to be combined with existing data constructs to cover and preserve existing data models. NOTE 2 Annex A includes illustrative examples and references to supporting implementations, intended to demonstrate approaches that promote interoperability across diverse environments. These references are provided to assist stakeholders in selecting appropriate solutions that comply with applicable legal obligations and technical standards, while preserving existing systems.

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prEN 18239 Archyvuotas

Komentavimo iki data 2025-10-08

Skaitmeninis gaminio pasas. Prieigos teisių valdymas, informacinių sistemų saugumas ir verslo konfidencialumas

This document specifies the requirements for Digital Product Passport (DPP) access rights management, including IT security, data protection, and responsibility transfer between economic operators. It defines the framework for managing confidential information access, while acknowledging that public DPP data requires no access restrictions. The document applies to all product groups subject to DPP requirements under Regulation (EU) 2024/1781, with specific access rights to be detailed in respective delegated acts.

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prEN 15269-12 Viešoji apklausa

Komentavimo iki data 2025-10-21

Durų blokų, anginių sąrankų ir atidaromųjų langų blokų, įskaitant jų statybinių apkaustų elementus, atsparumo ugniai ir (arba) apsaugos nuo dūmų bandymų rezultatų išplėstinis taikymas. 12 dalis. Kompozicinių durų atsparumas ugniai

EXAP standard specific to the materials typically used within composite fire and smoke control doors.

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