煤礦電氣設備失去防爆能力意味著什麼

1. 防爆接合面因螺栓固定問題而失效, 包括螺栓缺失或未充分鎖緊的情況.

2. 防爆表面參數不符合要求, 例如接合面的間隙不當或表面粗糙度不足.

3. Inadequacy in explosion-proof enclosure entry devices arises when rubber components and cable sizes do not meet specified standards.

4. Shell integrity compromised due to cracks leads to a failure in maintaining explosion-proof qualities.