无销蝶阀是我公司在对夹式蝶阀的基础上，引进国外先进的设计制造技术，开发的新产品。该产品具备了对夹式蝶阀的一切优点。
Without pin butterfly valve is developed besed on the wafer butterfly valve and advanced technology introduced from foreign country.In addition to the feature of the wafer butterfly valve.It has strong corrosion resistance and no-pin. This product is stitable for throtting-off and adjsting flow，and can be installed in pipeines in the industries of petroleum proscessing，chemicals，food me-dicine，textile，paper making，hydroelectricity engineering，ship buliding，water supply and sewage，metallurgy，energy engineering as well as light industry，etc.