防爆電氣安裝前嘅檢查

1. Explosion-Proof Markings

Explosion-proof designations, 如 “Exd II CT6,” 應在設備的外殼上清楚地標記或鑄造.

2. Product Nameplate

• Explosion-proof markings;

·防爆認證編號;

·生產許可證符號;

·具體要求;

·製造日期/序列號.

3. Overall Appearance

• Explosion-proof metal enclosures: Ensure wall thickness and surface finish (casting and argon welding) are smooth and free from irregularities to meet explosion strength standards and porosity requirements.

• Larger products should maintain effective heat dissipation and meet temperature classification needs to extend service life.

• Equipment should feature both internal and external grounding with clear grounding indications.

• Check the configuration of electrical entry devices to support necessary construction wiring.

4. Structural Rationality

Components such as decoder boxes and power supply units should accommodate a specific number of circuits and the maximum allowable current and power.