Explosion-proof diaphragm motor pumps ATEX
In hazardous locations, high pressure pumps must comply with ATEX directives.
What is ATEX?
ATEX is an abbreviation that stands for « ATmosph è res EXplosibles » (fr. « Explosive atmospheres »). Explosion protection requirements modified within the EC. Since July 1, 2003 the European Explosion Protection Regulation 94/9 / EC has been in force. Updating requirements basically consists in the fact that the control and certification of explosion protection are now subject not only to electrical components, but to the entire pump unit as a whole.
The company ETATRON-UKRAINE LLC has European certificates for explosion-proof pumps.
Explosion protection (ATEX)
For example - EEx de IIB T4
- EEx - general ATEX abbreviation
- de - abbreviation for type of protection
- d - explosion protection with flameproof enclosure
- o - explosion protection with oil filling flameproof enclosure
- p - explosion protection with filling the flameproof enclosure with gas under excessive pressure
- q - explosion protection with filling the flameproof enclosure with quartz sand
- e - explosion protection of increased reliability
- i - type explosion protection “ intrinsically safe electrical circuit ”
- II - abbreviation for the group elektr. equipment
- I - gas safe
- II - explosion proof
- B - Classes of Group II
- A – B – C - different sizes of maximum air gap, minimum ignition current
- T4 - heat resistance class
- T1 < 450 ° C
- T2 < 300 ° C
- T3 < 200 ° C
- T4 < 135 ° C
- T5 < 100 ° C
- T6 < 85 ° C