Explosion-proof rating:
Explosion-proof equipment with a CT4 rating is classified as Exd IIC T4. BT4 explosion-proof equipment is rated as Exd IIB T4, which is a lower explosion-proof rating than CT4 equipment.
Hom mob | Gas Classification | Cov pa hluav taws xob | Yam tsawg kawg nkaus Ignition Spark Zog |
---|---|---|---|
Sub Kuv | Kuv | Methane | 0.280mJ |
Factories sab nraum lub Mine | IIA | Propane | 0.180mJ |
IIB | Ethylene | 0.060mJ | |
IIC | Hydrogen | 0.019mJ |
Kev siv tau:
CT has the widest range of applicability.
Gas environment:
CT is an explosion-proof rating for acetylene and hydrogen qib. If there are gases like acetylene or hydrogen in the environment, CT-rated explosion-proof equipment is required. BT-rated equipment is not suitable for acetylene environments and is only considered a moderate tawg-pov thawj theem.