General installation explosion-proof lamp what are the requirements?
Waterproof rating (second X stands)0: there is no protection1: water droplets drip into the casing without affecting2: when the case is tilted to 15 degrees, the water droplets drip into the casing without affecting3: water or rain from the 60 degree corner to the shell has no effect4: liquid poured in any direction to the shell, no harm5: rinse with water without any harm6: can be used in cabin environment7: resistant immersion in a short period of time (1m)8: for a long time under certain pressure flooding
Grade of explosion-proof lampsOften see the IP65, IP55 and so on explosion-proof level, but the light has said, novice often don't know its specific meaning, so the following for its analysis. IPxx dustproof and waterproof grade, suitable for all dustproof and waterproof equipment. Describe as follows:Dust rating (first X indicates)0: there is no protection1: to prevent large solid invasion2: prevent medium size solid intrusion3: prevent small solids from entering the invasion4: prevent objects larger than 1mm solid access5: to prevent harmful dust accumulation6: completely prevent dust entering
Prior to installation, the explosion-proof lamp shall be checked from the nameplate and the product manual: the explosion-proof type, classification, grade, group, enclosure protection grade, installation method and fastening requirements for installation.The installation of explosion proof lamp shall be firmly secured, the fastening bolt shall not be replaced at random, and the spring washer shall be complete. Dust proof and waterproof sealing rings should be placed as they are.Cable entry line, the cable and sealing washer should closely cooperate, the cable cross section should be round, and the surface of the sheath should not be convex and concave defects. The excess inlet must be sealed by explosion proof type, and the fastening nut will be tightened so that the inlet seal is sealed.
