防爆等級:
CT4等級的防爆設備分類為Exd IIC T4. BT4防爆設備等級為Exd IIB T4, 防爆等級比CT4設備低.
條件類別 | 氣體分類 | 代表性氣體 | 最小點火火花能量 |
---|---|---|---|
礦井下 | 我 | 甲烷 | 0.280毫焦耳 |
礦外工廠 | 國際投資協會 | 丙烷 | 0.180毫焦耳 |
IIB | 乙烯 | 0.060毫焦耳 | |
國際積體電路公司 | 氫 | 0.019毫焦耳 |
適用性:
CT適用範圍最廣.
氣體環境:
CT is an explosion-proof rating for acetylene and 氫 等級. 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 防爆等級.