Standard cua txias inherently tsis tawg-pov thawj nta.
Cov cua txias uas tawg-pov thawj feem ntau siv txoj hauv kev kom muaj kev nyab xeeb. Lawv retrofit txheem units nrog tshwj xeeb explosion-proof kiv cua thiab compressors thiab siv hom D flameproof technology. Qhov no zoo seals cov khoom siv hluav taws xob hauv qhov tawg-pov thawj casing, muab kev tiv thaiv kev tawg, corrosion, thiab plua plav, thiab txhim khu kev ruaj ntseg.