The main seal of the valve is a special process with rubber coated elastic gate, no packing upper sealing structure, the use of elastic gate plate when the force of the micro deformation of the compensation effect to achieve a good sealing effect, with novel structure, easy maintenance, reliable sealing, overcome the general gate valve poor sealing, leakage and rust phenomenon. It can be widely used in construction, food, medicine, chemical energy, water supply and drainage and other industries, and is used as a regulation and interception in pipelines and equipment.
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