Mine fire waterproof closed doors

 A better life should be full of anticipation, surprise and gratitude, to know how wonderful the product should share with everyone, from small mom told me, there are good things to share with everyone, so you will be able to double the pleasure, if you need to buy waterproof fire closed doors it to Shandong's coal machine it will make you happy to buy, do not thank me, oh, because I was living Lei Feng. The role of waterproof fire doors are closed to prevent sudden immersion in the main substation and the main underground drainage pumping stations leading to the shaft bottom of the channel of water. The main components of waterproof fire doors closed are: frames, embedded parts, the door, the tensioning device. Where the door is by channel, beam composition; channel embedded parts are made of waterproof closed doors embedded parts can be soldered directly to the door frame can also be made with bolted body composition, can be ordered roadway actual purchase; the door is a combination of panels and plates made well; tensioning device is composed by the screw and wedge slide. Underground dangerous, in order to protect the safety of miners, to small family happiness, only a small home happy, and our nation to prosper, we must choose the regular manufacturers of waterproof closed doors, Shandong liter mine is a professional waterproof sealed door manufacturers, let me give you knowledge about science waterproof closed doors it. Waterproof fire closed doors to withstand the maximum pressure 98KPa. Press the cave mouth is divided into four size specifications, as follows: No. Model and Specifications Figure No. 1 MMB1.4 * 1.8 B85-373 (1) Weight 1100kg 2 MMB1.6 * 1.8 B85-373 (2) Weight 1175kg 3 MMB1. 8 * 2.0 B85-373 (3) the weight of 1300kg 4 MMB2.1 * 2.0 B85-373 (4) Weight 1400kg waterproof fire doors closed main structure: a closed door doors for flat steel, Tic-Tac-ribs, ring beams and other groups welded frame for 2 channel, beam composite frame 3 tensioning device uses rolling support for the wedge slide wedge 4 pivot, the key component is a sealing device. Waterproof fire closed the door plate thickness 5 liters of mineral Shandong reached more than 8mm, rib thickness of 12mm or more. Thicker type of waterproof fire closed doors reinforced waterproof, better protection of coal mine safety. Working conditions - a waterproof fire closed doors, atmospheric pressure: 80kPa ~ 110kPa; 2, ambient temperature: -30 ℃ ~ 40 ℃; 3, the average relative humidity ≤95% (25 ℃); 4, a methane and coal dust explosion mixture of coal mine; 5, not enough to corrode metal shell damage and electrical insulation gas; 6, pressure: 0 ~ 3.5MPa. If you have more information about waterproof fire doors closed questions, you can call my sales hotline: 15853766191 Let me give you the answers to your questions. Buy waterproof fire closed the door to the Shandong mine to rise, the election to choose a quality guaranteed product manufacturers, the election to choose the most affordable price manufacturers, we give you the price must be the lowest price, giving you the product must be in line with national standards quality products, allowing you to buy value for money. Contact: Fang Shandong liter mineral welcome your calls.