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prEN 15316-7-1 Naujas

Komentavimo iki data 2026-02-17

Pastatų energinis naudingumas. Sistemos energijos poreikio ir sistemos našumo skaičiavimo metodas. 7-1 dalis. Momentinis buitinio karšto vandens šilumos regeneravimas. M8-13 modulis

This calculation module applies to instantaneous domestic hot water heat recovery using a counter-flow heat exchanger between the drain water and the incoming domestic cold water. This module calculates the recovered heat, to be taken into account in the overall calculation procedure of the energy performance of the building. The scope of this document is to standardize the: - required inputs; - calculation methods; - required outputs; of the instantaneous heat recovery from domestic hot water drains. This document provides a calculation method for one calculation interval. This calculation is intended to be connected to the whole building calculation model and takes into account the external conditions and system controls that may influence the instantaneous heat recovery from domestic hot water drains. This document does not apply to storage heat recovery or the use of drain water as a source for heat pumps. This document does not apply to sizing or inspection of domestic hot water heat recovery devices. Table 1 shows the relative position of this document within the set of EPB standards in the context of the modular structure as set out in EN ISO 52000-1. NOTE 1 The same Table is found in CEN ISO/TR 52000-2, with, for each module, the numbers of the relevant EPB standards and accompanying technical reports that are published or in preparation. NOTE 2 The modules represent EPB standards, although one EPB standard might cover more than one module and one module might be covered by more than one EPB standard, for instance a simplified and a detailed method respectively. See also Clause 2 and Table A.1 and Table B.1.

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prEN 2897 Viešoji apklausa

Komentavimo iki data 2026-03-19

Orlaiviai ir erdvėlaiviai. Padengti kadmiu legiruotojo plieno varžtai su plokščia galvute, kryžmine išpjova paslinktomis atšakomis, normaliu griežtų leistinųjų nuokrypų strypu ir trumpu sriegiu. Klasifikacija. 1 100 MPa (esant aplinkos temperatūrai) ir 235 °C

This document specifies the characteristics of screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 1 100 MPa1/235 °C2.

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prEN 868-10 Viešoji apklausa

Komentavimo iki data 2026-03-24

Galutinai sterilizuotų medicinos priemonių pakuotės. 10 dalis. Klijais dengtos neaustinės poliolefininės medžiagos. Reikalavimai ir bandymo metodai

This document specifies test methods and values for sealable adhesive coated nonwoven materials of polyolefins, manufactured from nonwovens specified in EN 868-9 used for single-use sterile barrier systems and/or packaging systems for terminally sterilized medical devices. Other than the general requirements as specified in EN ISO 11607-1 and EN ISO 11607-2, this part of EN 868 series specifies materials, test methods and values that are specific to the products covered by this document.

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prEN ISO 13849-2 Viešoji apklausa

Komentavimo iki data 2026-04-09

Mašinų sauga. Valdymo sistemų dalys, susijusios su sauga. 2 dalis. Įteisinimas (ISO/DIS 13849-2:2026)

This document provides requirements for the application of basic and well-tried safety principles and conditions for possible fault exclusions. This document provides guidance for the design and the validation of mechanical, pneumatic, hydraulic, and electrical systems for the safety-related parts of a control system (SRP/CS) designed in accordance with ISO 13849-1:2023. NOTE Additional requirements for programmable electronic systems, including embedded software, are given in ISO 13849-1:2023, Clause 7, and IEC 61508.

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prEN IEC 62998-1:2026 Viešoji apklausa

Komentavimo iki data 2026-04-15

Mašinų sauga. Su sauga susiję jutikliai, naudojami žmonėms apsaugoti

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prEN 15383 Naujas

Komentavimo iki data 2026-02-17

Nuotakyno plastikinių vamzdžių sistemos. Termoreaktyvieji stiklo plastikai poliesterinių dervų pagrindu. Šuliniai ir apžiūros šulinėliai

This document applies to: a) manholes, when made from glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP); b) inspection chambers, when made from glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP) which are intended to be used with inverts which are at a depth not exceeding 2 m. These products are intended to be used within a drain or sewer system operating without pressure or occasionally at a head of pressure up to 1 bar. It applies to products, and their joints, intended for use in buried installations and to be installed by open-trench techniques. The units have a circular shape with nominal sizes as specified in EN ISO 23856. The intended use of these products is to provide access to, buried drain or sewer systems for the conveyance of waste water at temperatures up to 50 °C, without pressure or occasionally at a head of pressure up to 1 bar, outside buildings and installed in areas subjected to vehicle and/or pedestrian traffic. It specifies definitions including symbols, requirements and characteristics of manholes, inspection chambers, joints, materials, test methods and marking. NOTE It is the responsibility of the purchaser or specifier to make the appropriate selections, taking into account their particular requirements and any relevant national regulations and installation practices or codes.

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prEN 2591-217 Viešoji apklausa

Komentavimo iki data 2026-02-19

Orlaiviai ir erdvėlaiviai. Elektrinių ir optinių jungčių elementai. Bandymo metodai. 217 dalis. Įtampos kritimas dėl laidų antgalių ir linijų sudurtųjų jungčių, esant nurodytam srovės stipriui

This document specifies a method for measuring the voltage drop under specified current in terminal lugs and in-line splices. It is used together with EN 2591-100.

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prEN ISO 14451-5 Viešoji apklausa

Komentavimo iki data 2026-03-19

Pirotechniniai gaminiai. Pirotechniniai gaminiai, skirti transporto priemonėms. 5 dalis. Oro pagalvių dujų generatorių reikalavimai ir skirstymas į kategorijas (ISO/DIS 14451-5:2026)

ISO 14451-5:2013 specifies the types and order of tests for application to the airbag gas generators and sets out the acceptance criteria and means of categorization. ISO 14451-5:2013 applies to type tests. ISO 14451-5:2013 is not applicable to articles containing military explosives or commercial blasting agents except for black powder or flash composition.

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EN 12520:2024/prA1 Viešoji apklausa

Komentavimo iki data 2026-03-24

Baldai. Sauga, stiprumas ir ilgaamžiškumas. Buitiniams sėdimiesiems baldams keliami reikalavimai

This document specifies the minimum requirements for the safety, strength and durability of all types of domestic seating for adults. It also specifies additional test methods for seat side-to-side durability as well as finger entrapment and shear and compression. It does not apply to ranked seating, seating for non-domestic use, office work chairs, chairs for educational institutions, outdoor seating and to links for linked seating for which European Standards exist. It does not include requirements for the durability of upholstery materials, castors, reclining and tilting mechanisms and seat height adjustment mechanisms. It does not include requirements for electrical safety. It does not include requirements for the resistance to ageing, degradation, flammability and ergonomics. The requirements are based on use by persons weighing up to 110 kg. Annex A (normative) specifies the seat side-to-side durability test in D-G points. Annex B (informative) gives rationales for some of the tests referred to in Table 1. Annex C (normative) specifies the test methods for finger entrapment and shear and compression. Annex D (normative) specifies the seat loading point for seating with suspended flexible material.

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prEN IEC 60034-14:2026 Viešoji apklausa

Komentavimo iki data 2026-04-10

Sukiosios elektros mašinos. 14 dalis. Tam tikrų mašinų su 56 mm ir ilgesniais velenais mechaninė vibracija. Vibracijos intensyvumo matavimas, įvertinimas ir ribinės vertė

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