Zhejiang baolong valve manufacturing co. , LTD. , in the transformation of innovation, research and development of new products, implement the strategy of product of organization personnel with senior engineer KuangZhi book comrade is given priority to, lead the related technologies ( Valves, pumps) All communist personnel and technical research and a line of production practice, after more than a year of hard work, overcome difficult to continue to improve, trial and error, and finally won the state intellectual property office of the invention patent. Now is trying to put it to market, into a new growth point of enterprise development. The butterfly valves, new products include Industrial Valves body, valve stem, transmission device. Mainly sphere seal face by a sealing ring, through the pressure plate, fixed installation in the sphere of the sealing surface with a conical sealing surface, the valve seat sealing surface with a conical sealing surface, in conjunction with sealing ring of the conical sealing surface of the center line of the cone Angle and Industrial Valves body between the center line of the channel have eccentric Angle, sealing ring and Industrial Valves seat sealing surface with the sealing contact surface and the eccentric distance between the axis of the stem, the eccentric distance is greater than the body channel radius, the stem axis and the body has the eccentricity between the center line of the channel, the eccentricity is located in the seat sealing surface and the body channel on one side of the minimum Angle between the centerline location. Its advantage is focused on the ball valve and triple eccentric butterfly valve is a little bit at an organic whole, avoid the effect of ball roundness sphere seal performance, has good sealing performance, long service life, etc. Provide a whole sphere seal and valve seat sealing surface friction hoist, sealing surface wear less, sealed performance is reliable, the service life of the product of butterfly valves. Suitable for all kinds of medium pipeline switch.
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