Pregled nacrta

prEN ISO 787-18 - General methods of test for pigments and extenders - Part 18: Determination of residue on sieve - Mechanical flushing procedure (ISO/DIS 787-18:2026)
Odbor: HZN/TU C1 (Kemikalije, kemijsko inženjerstvo, poljoprivredni i prehrambeni proizvodi 1)
Ustanova izvornika:
Rok za komentiranje: 2026-05-23
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The method specified can also be applied to the examination of other powders or granules which are insoluble in water. It is neither applicable to hydrophobic nor pelletized materials. In the test apparatus the material under test, dispersed in water, is brought into centrifugal motion by a system of rotating jets of water. he water flushes the fine particles through the sieve, the coarse particles being retained on the sieve. The residue on the sieve is dried and weighed. - Cancels and replaces ISO 787/18-1973 and constitutes its technical revision.

prEN ISO 4254-18 - Agricultural machinery - Safety - Part 18: Forage loader wagons and forage transport wagons (ISO/DIS 4254-18:2026)
Odbor: HZN/TO 23 (Traktori i strojevi za poljoprivredu i šumarstvo)
Ustanova izvornika:
Rok za komentiranje: 2026-05-24
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This document, intended to be used together with ISO 4254-1, specifies the safety requirements and their verification for the design and construction of
— trailed forage loader wagons,
— trailed forage cutter-loader wagons,
— trailed forage transport wagons,
— silage and forage body intended to be affixed to a carrier vehicle,
— trailers with a load push/push-off device, slats or alternating moving floor
which is intended for the use by only one person (operator). In addition, it specifies the type of information on safe working practices including residual risks to be provided by the manufacturer.

This document is not applicable to:
— self-propelled forage loader wagons, self-propelled forage cutter loader wagons and self-propelled forage transport wagons,
— trailers with a tipping body, balanced or semi-mounted, used in agriculture.

EN 12245:2022/prA1 - Transportable gas cylinders - Fully wrapped composite cylinders
Odbor: HZN/TO 561 (Kotlovi, posude pod tlakom, cjevovodi i plinske boce)
Ustanova izvornika:
Rok za komentiranje: 2026-05-25
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This document specifies minimum requirements for the materials, design, construction, prototype testing and routine manufacturing inspections of fully wrapped composite gas cylinders for compressed, liquefied and dissolved gases.
NOTE 1 For the purposes of this document, the word “cylinder” includes tubes (seamless transportable pressure receptacles of a water capacity exceeding 150 l and of not more than 3 000 l).
This document is applicable to cylinders that comprise a liner of metallic material (welded or seamless) or non-metallic material (or a mixture thereof), reinforced by a wound composite consisting of fibres of glass, carbon or aramid (or a mixture thereof) embedded in a matrix.
This document is also applicable to composite cylinders without liners.
This document is not applicable to gas cylinders which are partially covered with fibres and commonly called “hoop wrapped” cylinders. For hoop wrapped composite cylinders, see EN 12257.
NOTE 2 This document does not address the design, fitting and performance of removable protective sleeves. Where these are fitted, they are considered separately.
This document is primarily for compressed, liquefied and dissolved gases other than LPG.
NOTE 3 For dedicated LPG cylinders, see EN 14427.
prEN ISO 19392-1 - Paints and varnishes - Coating systems for wind-turbine rotor blades - Part 1: Minimum requirements prior and after weathering and climatic testing (ISO/DIS 19392-1:2026)
Odbor: HZN/TU C1 (Kemikalije, kemijsko inženjerstvo, poljoprivredni i prehrambeni proizvodi 1)
Ustanova izvornika:
Rok za komentiranje: 2026-05-25
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This document specifies minimum requirements and weathering for coating systems for wind-turbine rotor blades.

prEN 13384-2 - Chimneys - Thermal and fluid dynamic calculation methods - Part 2: Chimneys serving more than one combustion appliance
Odbor: HZN/TO 532 (Dimnjaci)
Ustanova izvornika:
Rok za komentiranje: 2026-05-25
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This document specifies methods for calculation of the thermal and fluid dynamic characteristics of chimneys serving more than one combustion appliance.
This part of prEN 13384 covers the following cases:
a) where the chimney is connected with more than one connecting flue pipe from individual or several combustion appliances in a multi-inlet arrangement;
b) where the chimney is connected with an individual connecting flue pipe connecting more than one combustion appliance in a cascade arrangement; or
c) where the balanced flue chimney consists of a collective air supply duct serving the combustion air to more than one combustion appliance. Each combustion appliance is connected to an individual flue duct located inside the collective air supply duct to the outlet. Every individual flue duct has a temperature class not exceeding T120, a pressure class of P1, M1 or H1 and a sootfire class of O.
The case of multiple inlet cascade arrangement is covered by the case a).
This part of prEN 13384 deals with chimneys operating under negative pressure conditions (there can be positive pressure condition in the connecting flue pipe) and with chimneys operating under positive pressure conditions and is valid for chimneys serving combustion appliances for liquid, gaseous and solid fuels.
For positive pressure chimneys (case a), b) and c)) this part only applies if any combustion appliance which is out of action can be positively isolated to prevent flue gas back flow.
This part of EN 13384 does not apply to:
- chimneys with different thermal resistance or different cross-section in the various chimney segments. This part does not apply to calculate energy gain;
- chimneys with open fire places, e.g. open fire chimneys or chimney inlets which are normally intended to operate open to the room;
- chimneys which serve different kinds of combustion appliances regarding natural draught, fan assisted, forced draught or combustion engine. Fan assisted combustion appliances with draught diverter between the fan and the chimney are considered as natural draught combustion appliances;
- chimneys with multiple inlets from more than 5 storeys. (This does not apply to balanced flue chimney.);
- chimneys serving combustion appliances with open air supply through ventilation openings or air supply ducts, which are not installed in the same air supply pressure region (e.g. same side of building).
prEN 16263 - Pyrotechnic articles - Other pyrotechnic articles
Odbor: HZN/TO 511 (Eksplozivi za civilnu uporabu)
Ustanova izvornika:
Rok za komentiranje: 2026-05-25
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This document specifies requirements for the construction, performances, minimum labelling and mandatory instructions for use of other pyrotechnic articles of the following generic types:
- flares;
- flash devices;
- gas generators;
- heaters;
- other cartridges;
- pyromechanical devices;
- pyrotechnic actuated dispersers;
- rockets and rocket motors;
- semi-finished pyrotechnic articles;
- smoke/aerosol generators;
- sound emitters.
This document does not apply to pyrotechnic articles for vehicles, ignition devices and cartridges for powder actuated tools (PAT).
The following standards apply to the excluded articles:
- EN ISO 14451 1, Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 1: Terminology (Under preparation)
- EN ISO 14451 2, Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 2: Test methods (Under preparation)
- EN ISO 14451 3, Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 3: Labelling (Under preparation)
- EN ISO 14451 4, Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 4: Requirements and categorization for micro gas generators (Under preparation)
- EN ISO 14451 5, Pyrotechnic articles for vehicles – Part 5: Requirements and categorization for airbag gas generators (Under preparation)
- EN ISO 14451 6, Pyrotechnic articles – Pyrotechnic articles for vehicles – Part 6: Requirements and categorization for airbag modules (Under preparation)
- EN ISO 14451 7, Pyrotechnic articles – Pyrotechnic articles for vehicles – Part 7: Requirements and categorization for seatbelt pretensioners (Under preparation)
- EN ISO 14451 8, Pyrotechnic articles – Pyrotechnic articles for vehicles – Part 8: Requirements and categorization for igniters (Under preparation)
- EN ISO 14451 9, Pyrotechnic articles – Pyrotechnic articles for vehicles – Part 9: Requirements and categorization for actuators (Under preparation)
- EN ISO 14451 10, Pyrotechnic articles – Pyrotechnic articles for vehicles – Part 10: Requirements and categorization for semi-finished products (preparation)
- EN 16264, Pyrotechnic articles – Other pyrotechnic articles – Cartridges for powder actuated tools (Under preparation)
- EN 16265, Pyrotechnic articles – Other pyrotechnic articles – Ignition devices (Under preparation)
prEN 16510-2-8 - Residential solid fuel burning appliances - Part 2-8: Gravimetrically pellet-fed room heaters
Odbor: HZN/TO 541 (Sustavi grijanja, ventilacije i klimatizacije u građevinama)
Ustanova izvornika:
Rok za komentiranje: 2026-05-25
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This document is applicable to gravimetrically pellet-fed room heaters, inset appliances and cookers.
The intended use of the appliances is space heating in residential buildings and can be cooking.
These appliances burn wood pellets only as specified in EN ISO 17225.
This document is not applicable to appliances which are in addition intended for non-gravimetrically fuelling with wood logs (e.g. from the front on top of the burner pot or even if a cover of the burner pot is provided and intended to be used).
This document is not applicable to appliances with fan assisted combustion air, appliances that are mechanically or to appliances fitted with a boiler (integral part of the appliance containing water to be heated up) for the supply of hot water for central heating systems.
This document is not applicable to appliances that can operate with fire door open.
This document specifies procedures for assessment and verification of constancy of performance (AVCP) of characteristics of solid fuel burning room heaters.

 

prEN ISO 1042 - Laboratory glassware - One-mark volumetric flasks (ISO/DIS 1042:2026)
Odbor: HZN/TU C1 (Kemikalije, kemijsko inženjerstvo, poljoprivredni i prehrambeni proizvodi 1)
Ustanova izvornika:
Rok za komentiranje: 2026-05-25
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This document specifies requirements for an internationally acceptable series of one-mark volumetric flasks, suitable for general laboratory purposes.

The specifications in this document are in accordance with ISO 384 and with OIML Recommendation No. 4 [1].

prEN 18337 - Food authenticity - Determination of 18O/16O isotope ratios in liquid aqueous food matrices by Equilibration - Isotope Ratio Mass Spectrometry (Eq-IRMS)
Odbor: HZN/TO 568 (Analiza hrane – horizontalne metode, mikrobiologija, posuđe i pribor u kontaktu s hranom)
Ustanova izvornika:
Rok za komentiranje: 2026-05-25
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This document specifies a method for instrumental analysis by equilibration-isotope ratio mass spectrometry (Eq-IRMS) of liquid, aqueous food matrices to determine ¹⁸O/16O isotope ratios of the water of the product. The ¹⁸O/¹⁶O isotope ratios obtained by following this document are expressed as δ¹⁸O values relative to internationally recognised reference materials.
This document does not apply to sample preparation. It is assumed that the food sample has been pre-treated as necessary and homogenised.
Similarly, the interpretation of the obtained δ¹⁸O values is not covered by this document. Following this protocol will result only in isotope delta values for the sample materials.
Although other instrumental techniques can be applied to determine δ¹⁸O values in liquid, aqueous food materials, these other techniques are not covered by this document.

prEN 18338 - Food authenticity - Sample preparation for isotope ratio analysis of fruit and vegetable juices and related products
Odbor: HZN/TO 568 (Analiza hrane – horizontalne metode, mikrobiologija, posuđe i pribor u kontaktu s hranom)
Ustanova izvornika:
Rok za komentiranje: 2026-05-25
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This document describes a method for sample preparation for the determination of C, N and H isotope ratio values in different fractions (sugar and pulp) of fruit and vegetable juices and their derivatives (concentrates, nectars, beverages etc.) by Elemental Analyser-Isotope Ratio Mass Spectrometry (EA-IRMS) or Isotope Ratio Measurement-Deuterium Nuclear Magnetic Resonance Spectroscopy (irm-2H-NMR).
It also covers ethanol produced by the fermentation of fruit and vegetable juices, and their derivatives.
Sample measurement is not included within this document.
This document does not concern the analytical methods after sample preparation, namely methods using IRMS (Isotope Ratio Mass Spectrometry) technique and isotope ratio measurement-deuterium nuclear magnetic resonance spectroscopy (irm-2H-NMR), also known as SNIF-NMR (Site-specific Natural Isotopic Fractionation by Nuclear Magnetic Resonance), used to quantify the isotopic ratios of the following nuclei: 13C/12C, 15N/14N and 2H/1H.
The interpretation of the obtained isotope delta values is not covered by this document.

EN 50716:2023/prA1:2026 - Railway Applications - Requirements for software development
Odbor: HZN/TO E9 (Električna oprema za željeznicu)
Ustanova izvornika:
Rok za komentiranje: 2026-05-26
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The amendment will address misunderstandings on provisions for AI/ML by providing additional guidance and clarifications without changing the fundamental technical requirements and recommendations of the standard. The amendment and its limitation to broadly editorial changes is based on following considerations:
• Limited Standardization for AI: While AI/ML holds promise for various applications, current standardization efforts specific to AI/ML in safety-critical domains like railway are still in their early stages. This lack of mature and widely accepted standards for verifying and validating AI/ML systems in these contexts makes it challenging to reference or directly incorporate such technologies into the scope of EN 50716 (with less restrictive provisions) at this time.
• Promoting Flexibility and Innovation: By clarifying the existing provisions and adding guidance without imposing new requirements, the amendment allows for flexibility and encourages developers to explore the potential of AI/ML (where is safe to do so).
 
The following areas have already been identified by WG28 for the amendment:
• Explicitly remind the scope of Table A.3: State that the table's techniques and measures are primarily intended for the design of the software architecture for safety-related functions (e.g. does not strictly apply to support tools).
• Provide guidance on AI/ML usage: Explicitly acknowledge the potential of AI/ML in non-safety-critical areas and offer examples of possible applications (complementary to current recommendation for Basic Integrity, “-”, in Table A.3 for 13. Artificial Intelligence and Machine Learning).
• Guidance on Support Tools: Ensure a consistent understanding of the AI/ML provisions related to support tools (; & programming languages).
This represent current view on potential changes - other areas may be identified during the amendment drafting, keeping into account the above mentioned limitations to broadly editorial changes.
prEN 50388-1:2026 - Fixed installations and rolling stock for railway applications - Technical criteria for the coordination between electric traction power supply systems and rolling stock to achieve interoperability - Part 1: General
Odbor: HZN/TO E9 (Električna oprema za željeznicu)
Ustanova izvornika:
Rok za komentiranje: 2026-05-26
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This document establishes requirements for the electrical aspects to achieve technical compatibility between rolling stock and electric traction systems, limited to:
- co-ordination of protection principles between power supply and traction units, i.e. separation sections, train set current or power limitation, short circuit current discrimination, circuit breaker coordination and use of regenerative braking;
- co-ordination of installed power on the line and the power demand of trains, i.e. traction unit power factor, train set current or power limitation, electric system performance, type and characterization;
- compatibility assessment relating to harmonics and dynamic effects.
Informative values are given for some parts of the existing European railway networks, in annexes.
NOTE For those railways within the scope of EU Interoperability Directive, definitive values are set out in the register of infrastructure published in accordance with Article 49 of Directive (EU) 2016/797, and the list of items included in the register is described in the commission decision (EU) 2019/777.
The following electric traction systems are within the scope of this document:
- railways;
- guided mass transport systems that are integrated with railways;
- material transport systems that are integrated with railways.
Information is given on electrification parameters to enable train operating companies to confirm, after consultation with the rolling stock manufacturers, that risks of non-compatibility are minimized and that there will be no consequential disturbance on the electrification system.
The interaction between pantograph and overhead contact line is dealt with in EN 50367:2020.
The interaction with the control-command and signalling subsystem is not dealt with in this document.
Basic considerations have been included concerning the use of traction units with onboard electric traction energy storage in the electric traction power system. Details of this are dealt with in CLC/TS 50729:2025.
nHRN EN 1998-1:2011/NA:2011/A2 - Eurokod 8: Projektiranje potresne otpornosti konstrukcija – 1. dio: Opća pravila, potresna djelovanja i pravila za zgrade – Nacionalni dodatak
Odbor: HZN/TO 548/PO 8 (Konstrukcijski eurokodovi)
Ustanova izvornika:
Rok za komentiranje: 2026-06-20
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Ovaj dokument određuje vrijednosti nacionalnih parametara ili određenih postupaka proračuna uz normu
HRN EN 1998-1:2011 i primjenjuje se zajedno s tom normom.