CEN/TC 121
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 71322 | LVS EN ISO 20168:2021 | Resistance welding - Locking tapers for electrode holders and electrode caps (ISO 20168:2016) | Standarts spēkā |
| 65477 | LVS EN ISO 20378:2019 | Welding consumables - Rods for gas welding of non-alloy and creep-resisting steels - Classification (ISO 20378:2017) | Standarts spēkā |
| 61849 | LVS EN ISO 20601:2019 | Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array technology for thin-walled steel components (ISO 20601:2018) | Standarts spēkā |
| 64146 | LVS EN ISO 21904-1:2020 | Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 1: General requirements (ISO 21904-1:2020) | Standarts spēkā |
| 64147 | LVS EN ISO 21904-2:2020 | Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 2: Requirements for testing and marking of separation efficiency (ISO 21904-2:2020) | Standarts spēkā |
| 64948 | LVS EN ISO 21904-3:2018 | Health and safety in welding and allied processes - Requirements, testing and marking of equipment for air filtration - Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices (ISO 21904-3:2018) | Standarts spēkā |
| 64149 | LVS EN ISO 21904-4:2020 | Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 4: Determination of the minimum air volume flow rate of capture devices (ISO 21904-4:2020) | Standarts spēkā |
| 24696 | LVS EN ISO 21952:2008 | Welding consumables - Wire electrodes, wires, rods and deposits for gas-shielded arc welding of creep-resisting steel - Classification | Atcelts |
| 35695 | LVS EN ISO 21952:2012 | Welding consumables - Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels - Classification (ISO 21952:2012) | Atcelts |
| 77848 | LVS EN ISO 21952:2025 | Welding consumables - Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels - Classification (ISO 21952:2025) | Standarts spēkā |
Displaying 1411-1420 of 1768 results.