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prEN IEC 60793-1-47:2026 Public enquiry
Comment end date 2026-04-10
Optical fibres - Part 1-47: Measurement methods and test procedures - Macrobending loss
prEN ISO 20769-2 Public enquiry
Comment end date 2026-03-12
Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 2: Double wall radiographic inspection (ISO/DIS 20769-2:2026)

This document specifies fundamental techniques of film and digital radiography with the object of enabling satisfactory and repeatable results to be obtained economically. The techniques are based on generally recognized practice and fundamental theory of the subject. This document applies to the radiographic examination of pipes in metallic materials for service induced flaws such as corrosion pitting, generalized corrosion and erosion. Besides its conventional meaning, "pipe" as used in this document is understood to cover other cylindrical bodies such as tubes, penstocks, boiler drums and pressure vessels. Weld inspection for typical welding process induced flaws is not covered, but weld inspection is included for corrosion/erosion type flaws. The pipes can be insulated or not, and can be assessed where loss of material due, for example, to corrosion or erosion is suspected either internally or externally. This document covers double wall inspection techniques for detection of wall loss, including double wall single image (DWSI) and double wall double image (DWDI). Note that the DWDI technique described in this document is often combined with the tangential technique covered in ISO 20769-1. This document applies to in-service double wall radiographic inspection using industrial radiographic film techniques, computed digital radiography (CR) and digital detector arrays (DDA).

prEN ISO 14451-4 Public enquiry
Comment end date 2026-03-19
Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 4: Requirements and categorization for micro gas generators (ISO/DIS 14451-4:2026)

ISO 14451-4:2013 specifies the types and order of tests to be applied to micro gas generators and sets out the associated acceptance criteria and means of categorization. ISO 14451-4:2013 applies to type tests. ISO 14451-4:2013 is not applicable to articles containing military explosives or commercial blasting agents except for black powder or flash composition.

prEN 1428 Public enquiry
Comment end date 2026-03-31
Bitumens and bituminous binders - Determination of water content in bituminous emulsions - Azeotropic distillation method

This document specifies a method for the determination of the water content in bituminous emulsions by means of azeotropic distillation. 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 establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

prEN IEC 61225:2026 Public enquiry
Comment end date 2026-04-10
Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems

See the scope of IEC 61225:2025. Adoption is to be implemented without modification.

prEN IEC 62496-2-6 Public enquiry
Comment end date 2026-03-11
Optical circuit boards - Part 2-6: Basic test and measurement procedures - Near field pattern analysis of multimode optical waveguides with rectangular core(s) using encircled flux methodology
EN ISO 11117:2019/prA1 Public enquiry
Comment end date 2026-03-19
Gas cylinders - Valve protection caps and guards - Design, construction and tests - Amendment 1 (ISO 11117:2019/DAM 1:2026)
prEN ISO 23401-3 Public enquiry
Comment end date 2026-04-07
Dentistry - Denture lining materials - Part 3: Soft type materials for long-term use (ISO/DIS 23401-3:2026)

This document specifies requirements for soft type denture lining materials suitable for long-term use and the test methods to determine compliance with these requirements. This document also specifies requirements for packaging, marking the products and for the instructions for use to be supplied by the manufacturer. These materials may also be used for maxillofacial prostheses. This document is not applicable to hard type denture lining materials or soft type denture lining materials for short-term use.

prEN 300 019-1-3 V3.1.0 (2026-02) New
Comment end date 2026-05-03
Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1: Classification of environmental conditions; Sub-part 3: Stationary use at weatherprotected locations
Total records found: 284
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