DS343H two-way pressure sealing butterfly valve _ product overview of double eccentric pressure metal sealing butterfly valve series is my company at the request of customers, carefully study design of a new generation of products. DS343H two-way hard seal butterfly valve flange has introduced the advanced manufacturing technology at home and abroad, with unique structure, high quality performance. The valve structure is reasonable and reliable sealing closely, small flow resistance, low differential pressure, flexible drive energy, double service life. Double eccentric, namely axial eccentric, valve shaft centerline is not in the valve plate seal surface; Radial runout: valve shaft centerline is not in the center of the valve channel line, valve plate with double plate girder multistream structure, the high velocity, the flow channel the flow to balance each other, avoid shaking phenomenon in a valve plate, to ensure the stability of the valve. Special design, special geometric structure, the valve plate has the function of the closed tight when open the valve, as long as the valve shaft rotate it slightly, all from the valve seat, valve plate is to reduce the friction, make the open torque presents the minimum best, sealed sealed a reliable, durable, widely used in water conservancy projects, water, electricity, circulating water, oil, chemical and other industries as a truncated medium flow in the pipeline. Two-way bearing sealing butterfly valve _ characteristics 1, butterfly valve is bi-directional confined, two-way metal sealing, the structure of special sealing pressure ratio can be adjusted arbitrarily, adopts eccentric s-shaped conical seat sealing surface, make the sealing surface is not easy to damage, improve the service life of the valve. 2, small operation torque, turn 90 degrees, opening and closing light quickly. 3, small flow resistance, good hydraulic characteristics, flow characteristic of approximate straight line, energy-saving effect is good, two-way seal for water flow direction. 4, reliable sealing, corrosion resistance, wear resistance, high temperature resistant, long service life. 5, the butterfly Industrial Valves plate adopts the streamlined design, high strength, large flow area, small flow resistance, save energy. Use the valve for medium inside the pipeline transportation is of certain regulation effect, is by far the pipeline valve mainly USES. And as one of the two-way pressure butterfly valve is currently more valve gear used in the fluid pipe, due to its internal valve plate and the axis of rotation, and other parts of the installation of fixed are strict, and internal sealing performance is good, so this kind of Industrial Valves gear is suitable for use in high pressure pipeline. And the two-way pressure butterfly valve with sex, so for use within the pipeline installation, media is not only flow in a single line, but can be back and forth between the transmission, so the valve no specific direction, so at the time of installation is relatively simple. And this kind of butterfly valve compared with stainless steel wafer butterfly, on the connection may be slightly worse, because the clamp connection, mainly using the connection flange and other parts of the valve is fixed, can say that the butterfly valve of the advantage in terms of stability is very obvious. But in use, the use of a two-way valve is to bring more convenience of pipeline system, also is a kind of convenient for pipeline system layout, but is currently one of the major advantages of two-way pressure sealing butterfly valve. The article by all standing valve ( Technology department) Editing and publishing
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