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 |
| 84502 | prEN IEC/IEEE 60079-30-1 | Explosive atmospheres - Part 30-1: Electrical resistance trace heating - General and testing requirements | Izstrādē |
| 44406 | prEN 60079-20 | Electrical apparatus for explosive gas atmospheres - Part 20: Non-metallic parts of flameproof enclosures | Izstrādē |
| 57370 | EN 50054:1991/prAX | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
| 67668 | EN 60079-1:2014/AC:2018-09 | Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d" | Izstrādē |
| 83383 | prEN IEC 60079-32-2 | Explosive atmospheres - Part 32-2: Electrostatics hazards - Tests | Izstrādē |
| 57527 | EN 50054:1991/prAX | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
| 53451 | prEN 50054 | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
Displaying 711-720 of 750 results.