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Total records found: 260
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prEN ISO 14705 Public enquiry
Comment end date 2025-11-13
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for hardness of monolithic ceramics at room temperature (ISO/DIS 14705:2025)

ISO 14705:2016 specifies a test method for determining the Vickers and Knoop hardness of monolithic fine ceramics at room temperature.

prEN 15199-4 Public enquiry
Comment end date 2025-11-11
Petroleum products - Determination of boiling range distribution by gas chromatography method - Part 4: Light fractions of crude oil

This document specifies a method for the determination of the boiling range distribution of petroleum products by capillary gas chromatography using flame ionization detection. This document is applicable to stabilized crude oils and for the boiling range distribution and the recovery up to and including n-nonane. A stabilized crude oil is defined as having a Reid Vapour Pressure equivalent to or less than 82,7 kPa as determined by IP 481 [3]. Annex C specifies an algorithm for merging the boiling point distribution results obtained using this method with the results obtained with EN 15199-3. This will result in a boiling range distribution and recovery up to C120. This precision presented in this document is applicable to the boiling range distribution up to n-nonane. For the precision of the boiling range distribution from n-nonane through C120, see EN 15199-3. NOTE 1 There is no specific precision statement for the combined results obtained after merging the results of EN 15199-3 and EN 15199-4. NOTE 2 For the purposes of this document, the terms "% (m/m)" and "% (V/V)" are used to represent respectively the mass fraction, ω, and the volume fraction, φ. WARNING - The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to take appropriate measures to ensure safety and health of personnel prior to application of the document and fulfil statutory and regulatory requirements for this purpose.

prEN IEC 63554:2025 Public enquiry
Comment end date 2025-10-29
LED lamps - Safety requirements
prEN 2283 Archived
Comment end date 2025-09-09
Aerospace series - Testing of aircraft wiring

This document specifies: — the tests for finished wiring, including connectors and, if necessary, terminals, terminal ends, junction boxes, circuit breakers, etc.; — the requirements for verification of aircraft electrical wiring; — continuity of circuits; — dielectric strength; — insulation resistance; — partial discharge for operating voltages above 230/400 V a.c. (see also TR 4907 ). These tests do not concern equipment installed in the aircraft (see operation of systems) and do not apply to the wiring used in instrumentation.

prEN IEC 63452:2025 Public enquiry
Comment end date 2025-10-08
Railway applications - Cybersecurity
EN 613:2021/prA1 Public enquiry
Comment end date 2025-10-16
Independent closed-fronted gas-fired type B11, type C11, type C31 and type C91 heaters

This document specifies the requirements and test methods for the construction, safety, marking and rational use of energy. This document is applicable to types B11AS, B11BS, B11CS, C11, C31 and C91 appliances (see 4.2) and those that: — are closed-fronted; — incorporate a natural draught burner; — are connected directly to an open flue or to a device to evacuate the products of combustion (open-flued appliances, balanced-flued appliances); — are wall mounted, free-standing or built-in; — have a nominal heat input not exceeding 20 kW (based on the net calorific value). This document is not applicable to: — open fronted appliances as specified in EN 13278:2013; — decorative fuel effect appliances as specified in EN 509:1999/A1:2003; — catalytic combustion appliances; — appliances in which the supply of combustion air and/or evacuation of products of combustion is achieved by mechanical means as specified in EN 1266:2002; — ducted-air appliances; — appliances installed by means of a closure plate (see 3.3.3.3). Matters related to quality assurance systems, tests during production and to certificates of conformity of auxiliary devices are not dealt with by this standard.

prEN 16851 Public enquiry
Comment end date 2025-11-13
Cranes - Light crane systems

This document applies to: — light crane systems, either suspended or free-standing systems, where the rated capacity of any single hoist mechanism is 4 t or less; — pillar- and wall-mounted jib cranes, without an operator's cabin, whose rated capacity is 10 t or less and whose overturning load moment is 500 kNm or less. NOTE 1 For illustration of crane types, see Annex C. This document is not applicable to cranes covered by another product specific crane standard, e.g. EN 15011:2020 or EN 14985:2012, see Annex E. This document is applicable to cranes and crane systems, whose structures are made of steel or aluminium, excluding aluminium structures containing welded joints. This document gives requirements for all significant hazards, hazardous situations and events relevant to cranes, when used as intended, foreseeable misuse and under foreseen conditions (see Annex A). NOTE 2 Automated operation can be subject to additional requirements. Guidance is given in Annex F. The specific hazards due to potentially explosive atmospheres, ionizing radiation, operation in electro-magnetic fields beyond the range of EN IEC 61000-6-2:2019 and operation in pharmacy or food industry are not covered by this document. This document does not cover hazards related to the lifting of persons. This document is not applicable to cranes manufactured before the date of its publication.

EN ISO 4135:2022/prA1 New
Comment end date 2025-11-18
Anaesthetic and respiratory equipment - Vocabulary - Amendment 1 (ISO 4135:2022/DAM 1:2025)
prEN IEC 60679-2:2025 Public enquiry
Comment end date 2025-10-29
Piezoelectric, dielectric and electrostatic oscillators of assessed quality - Part 2: Guidelines for the use of oscillators
prEN 15011 Archived
Comment end date 2025-09-11
Cranes - Bridge and gantry cranes

This document applies to bridge and gantry cranes able to travel by wheels on rails, runways or roadway surfaces, and to gantry cranes without wheels mounted in a stationary position. NOTE Light crane systems (assembly of lifting devices, crane bridges, trolleys and tracks; wall-mounted, pillar and workshop jib cranes) are covered by EN 16851. This document specifies requirements for all significant hazards, hazardous situations and events relevant to bridge and gantry cranes when used as intended and under conditions foreseen by the manufacturer (see Clause 4). This document does not include requirements for the lifting of persons. The specific hazards due to potentially explosive atmospheres, ionising radiation and operation in electromagnetic environment beyond the scope of EN 61000-6-2 are not covered by this document. This document is applicable to bridge and gantry cranes manufactured after the date of its publication as a European standard.

Total records found: 260
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