Bolted the flameproof enclosure has two kinds of types: flat and spigot. For planar structure of the mobile explosion work lights, not only from the bolts fastening operation, but also to ensure the plane clearance. For the mouth of the structure only, when considering only the surface of the cylindrical portion explosion, bolt tightening only play the role; proof surfaces need to be considered when the cylinder plane plus water proof work lights, not only from the tightening bolts, but since assurance plane part of the gap effect. When tapping directly on the housing must be noted: Try not to screw fastener through the flameproof enclosure, screw the bottom margin should be left at least 3mm through the housing 2) Characteristics: 1. High luminous efficiency: Sc -Na line 120 lumens / watt (lm / w). Dy-Tl system of 83 lumens / watt (lm / w). 2. The color is excellent proof portable work lights, because the continuous spectrum of light to get comfortable. 3. life, luminous flux maintenance factor other geometric HID lamp is poor. 4. Start, and then start the time than other HID lights for long, and is susceptible to water proof work light supply voltage changes, Cangzhou proof work lights, Koretoyo explosion proof by Zhejiang Electric Co., Ltd. Tianjin Koretoyo offices. Zhejiang Koretoyo explosion-proof electrical Ltd. Tianjin Office (#) strong, credible, in Tianjin's proof lighting industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Koretoyo innovative ideas will lead into the brilliant explosion and you work for a better future!