In today's world the highest technical level and filled the domestic blank of high sulfur acid resistant special flat gate valve - CL150LB, high-pressure CL900 - 2500LB- DN25 - 500 flat gate valve, has been successfully developed. At present, the product has been successfully used in petrochemical subject of puguang gas field surface gathering development projects in the yard. It is understood that the product has a small flow resistance, flow and can connect the function of the sweeper, and has the advantages of opening and closing and lighter, can be widely used in the extraction of oil and gas and sulfur gathering, oil and gas pipeline, oil refineries and other conditions, as a lifting device to control the medium circulation and globe. According to the need of engineering, the valves are manual, bevel gear drive, such as explosion-proof electric transmission ways. The valve design also has a valve position switch indication, stem cover, to prevent wrong operation of protection lock, etc. , to ensure the safe operation of the valve, regulating valve to avoid wrong operation. It adopts single ram hard seal, floating the Industrial Valves seat of the patented technology, ensure that stuff won't go to the seat back, have fireproof and anti-static function, the blank casting valve smelting and casting for the company. Special structure of patent elastic fire seat, overcome the limitations of the past can only use O rubber ring, to expand resilient seated flat gate valve applications to the field of high temperature and high pressure. Flat gate valve features: 1, fully closed structure, good protective performance, can meet the requirements for all-weather 2, flat gate valve is closed automatically removing the inner cavity and pressure, ensure the safety of using 3, when fully open, smooth channels for straight line, small flow resistance coefficient, no pressure loss, can connect the bulb cleaning line 4, seat O ring seals and pre-tightening force of the floating seat structure, make the seal of flat gate valve import and export; And the structure of the open-close torque is only 1/2 of ordinary valves, can achieve Qin Gong easily open and close the valve 5, USES the packing structure with the sealing ability, without constant adjustment, features very light open and close, and sealing can be *, an auxiliary sealing grease injection structure is set in the packing, the sealing performance absolutely *, to achieve a true null leak, Solved the packing place of universal valves to be easiest leak outward ills Qin Gong valve in this paper, the keyword search: Industrial Valves
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