Automatic throttle without pressure people to grow up in frustration, in a second failure also come to understand that the road ahead will be more difficult Kennedy, will be waiting for their variety of difficulties and setbacks, in order not to be them Down, that only overthrow them. Intention to treat every customer of mine door, carefully studying mining door product knowledge. My service in the heart of the country's friends This is not only a job, it is a life that is not only a test of their own, the law is a way of life can not be done, I called 100% customer satisfaction, but I I think it's best to be done. Automatic non-pressure damper is more convenient than the manual throttle without pressure, without pressure throttle two fan is automatically set. In front of the infrared sensor is installed, pedestrians away from the door one meter in the door automatically opens, green light, and a voice prompt system. And another door was closed, and the red light. Automatic non-pressure damper is currently China's coal mines ideal of a damper, mainly for underground mine into the return airway and the main gateway into the back of each contact between the Wind Tunnel, which broke the long-standing structural type of old-fashioned traditional throttle subtly acting on the damper pressure balance structure by converting it to an internal force, clearly showing that the unique structure of the damper, easy to use, safe and reliable, by experts and users of the highly praised, is the wind Lane used as a substitute for the damper. Throttle control system for the automatic hydraulic throttle control system has the following components: 1, throttle control host control device 1 sets. 2, mine explosion-proof and intrinsically safe voice alarm two. 3, the remote controller 2. 4, mine intrinsically safe infrared sensor 4 right. 5, mine intrinsically safe throttle opening and closing state sensor 4. 6, the cylinder 2. 7, hydraulic pump stations 1 station. 8, explosion-proof button 4. Shandong's coal mine machine Inclined shaft blast doors to our direct marketing products, quality and cheap, is your good choice, in order to maximize the benefits of your choice holy Mine machine! Holy Mountain Machinery Co., Ltd. Shandong coal mine annual production of waterproof airtight doors, fire gates, anti-shock doors Inclined wells blast doors, blast doors refuge chamber, anti-sudden throttle, throttle and other non-pressure mine gate, buffer Bed and buffer strips, concrete sleepers, corrosion sleepers, various mine support equipment with Shandong's coal waiting for your advice. Shandong's coal Xiao Han 24 hours waiting for your Union