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We are looking to buy Soft Sealed Butterfly Valve is applicable to the drain and air pipelines in the field of foodstuff, pharmacy , chemical industry, petroleum, power, textile, paper making with temperature lower 120, PN low 1.6 MPanovelty and reasonable design, unique structure , light weight , prompt open closesmall torque , convenient *and labour saving it is available to install at all direction with convenient maintenance with changeable seal parts, the sealing performance gains zero leakage at bi-directional sealing.Please kindly forward the quotation as soon as possible. sealed butterfly valve, butterfly valve, soft sealed butterfly valve