Based on years of design experience to develop two-way flow valve is a combination of head-spin valve with the valve sealing performance superior structural performance advantages of independent research and development, and has developed the most compact, cost-effective the new ball valve, with two-way sealing valve, adjustable, long life and practical advantages, but also has butterfly small size, light weight and structural characteristics of the advantages.

Most of the original pipeline system valve is mainly used to cut and regulation of the media, this part of the valve than in the major share of the entire system, the amount of more durable valves required, cost-effective, and should be in the media when forward flow regulation and set off, transformation or repair the pressure to prevent the media back, which features a two-way cut. Now, this part of the valve in the pipe network system, the main applications of the cut-off valves, gate valve, butterfly valves and ball valves. Cut-off valve and gate valve, two-way cut with good function, the sealing performance and service life are good, are one of the valve ancestor, but the cut-off valve gate-type structure by natural limitations, form a large operating torque, and can not produce large diameter, the largest diameter on the market today only DN400; valve no regulatory function, to regulate the flow of a substantial risk of loss exists gate defects, and large diameter valve the same shape and height of its large, in the manufacturing and transport the difficulties.

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