CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 79522 | prEN IEC 60079-10-1 | Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres | Izstrādē |
| 55723 | prEN 50XXX | Proposal on creepage distances on internal surfaces of enclosures of group I apparatus | Izstrādē |
| 56576 | prEN 61241-2-2 | Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 2: Methods for determining the electrical resistivity of dust in layers | Izstrādē |
| 49354 | EN 50018:1994/prAX | Electrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd' | Izstrādē |
| 57036 | prEN 60079-13 | Electrical apparatus for explosive gas atmospheres - Part 13: Construction and use of rooms or buildings protected by pressurization | Izstrādē |
| 80698 | prEN IEC 60079-101 | Explosive atmosphere - Part 101: Principles of explosion protection | Izstrādē |
| 56733 | prEN 61241-2-4 | Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 4: Method for determining the minimum explosible concentration of dust/air mixtures | Izstrādē |
| 56965 | prEN 50XXX | Flameproof joints: Spigot joints with rectangular parts | Izstrādē |
| 56912 | prEN 50056 | Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane in air | Izstrādē |
| 56918 | prEN 61241-1-2 | Electrical apparatus for use in the presence of combustible dust - Part 1-2: Electrical apparatus protected by enclosures and surface temperature limitation - Selection, installation and maintenance | Izstrādē |
Displaying 681-690 of 725 results.