Mine fire doors Coal mine fire gates, fire gates, underground fire doors, fire doors manufacturers, fire door prices, coal mine fire doors, gates, fences fire doors, fire fence dual doors Shandong's coal fire gates, You're like a fire that winter, light up my future, Shandong's coal fire gates, you are like the planets in the sky bright, always illuminate the road ahead of me, fire fence gate, fence gate, fence Fire fence gate door factory fire ventilation can be used between the main underground mine main drainage pumping station and the main substation chamber, Shandong's coal mines Machinery Co., Ltd. is a designated manufacturer of coal mine mine gate, there is China's coal industry Association awarded the designated manufacturers certificate, but also the relevant inspection reports issued by the department, in the shipment, we will examine the report and accompanying issue the certificate. Mine fire doors working environment and conditions of use: 1, the working environment: -30 ℃ ~ 40 ℃ Pressure: 0 ~ 3800Pa 2, fire fence dual doors for hazardous locations explosive coal dust and methane gas. 3, fire fence dual-use door installation locations surrounding rock stability of roadway deformation is small, and no serious watering can be customized according to the size you provide. Over the years, Shandong's coal mines Machinery Co. excellence, pioneering initiative, the processed products "Qualification go down," is complete, to provide users with security guarantees for dealers to provide convenient delivery, the main products include: 1, mining door - waterproof airtight doors, fire gates, anti-shock doors refuge chamber door Inclined Well-proof doors 2, belt-assisted operation of equipment - buffer bed, buffer strips, cleaning, enamel chute, plastic chute, guide trough, the support center frame, weight boxes, 3, mining equipment track - cement sleeper, corrosion oil sleeper car stop four, roadway materials: π steel beam, hinged roof beams, single pillar. Shandong's coal mines Machinery Co., Ltd. As a manufacturer of mining equipment of enterprises, the "quality of survival, reputation and development" is our constant aim, coal holy people willing to join hands with the king, the interests of win-win situation, create brilliant.