CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 56965 | prEN 50XXX | Flameproof joints: Spigot joints with rectangular parts | 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 |
| 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 |
| 42738 | prEN 50XXX | Amendment to EN 50014, 50016, 50018 and 50019 to allow cells and batteries to be incorporated into explosion-protected apparatus | Izstrādē |
| 45294 | prEN 50019 | Electrical apparatus for potentially explosive atmospheres - Increased safety 'e' | Izstrādē |
| 57370 | EN 50054:1991/prAX | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
| 41943 | EN 50021:1999/prA1 | Electrical apparatus for potentially explosive atmospheres - Type of protection "n" | Izstrādē |
| 54264 | prEN 50XXX | Determination of allowed contents for connecting boxes of increased safety 'e' | Izstrādē |
| 57527 | EN 50054:1991/prAX | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
| 48392 | EN 50018:1994/A3 | Electrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd' | Izstrādē |
Displaying 631-640 of 742 results.