Electric ball valve fluid resistance is small, the second for ball valve is divided into a variety of types, the ball valve is the smallest of all valve fluid resistance in class a, of course, is reducing ball valve, compared the fluid resistance is small, the seat sealing performance is good, of course, use the materials such as ptfe sealing ring, the structure is easy to be sealed, even for ball valve valve sealing ability, with the increase of medium pressure and bottoms type valve stem and valve stem head head convex order to prevent the valve stem, stem seal damage caused by such as fire, convex order between the body and can also form a metal contact, to ensure that the valve stem seal. Electric ball valve widely used in industry, the second for its function characteristics and advantages characteristics need detailed understanding in an all-round way, according to the different situation to choose and buy, choose suitable for their own is the best, threaded ball valve of the welding ball valve in time within health integral and two stages and three body casting using Taiwan to introduce advanced technology, the whole structure reasonable, modelling beautiful, such as seat is elastic sealing structure, reliable sealing, easy opening and closing, etc. The advantage of the characteristics of the electric ball valve and see in the eye by many friends, have sealed the bottoms of structure is used to the valve stem, Industrial Valves cavity when the abnormal pressure, the valve stem will not be rushed out, the second switch positioning mechanism can refers to ninety degrees, according to the need to lock to prevent wrong operation, etc. , should choose to select manufacturer for electric ball valves, big brand, set up ninety - degree switch positioning, according to the need to lock. Secondly the use temperature range for - 40 ℃ ~ + 95 ℃, with strong strength and toughness, etc. , in the chemical ways are more advantages, it has excellent chemical corrosion resistance.
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