stainless steel blind valve

1.The stainless steel blind valve are mainly consisted of body,disc,disc seal ring,disc locknut,bonnet,bonnet gasket ect.The valve disc is used for cutting off or dredging the pipeline.The suitable medium can be water,oil,gas and the suitable temperature can be-29℃-150℃.The main property is simple structure and reliable performance. 2.A blind plate is installed in the middle of the upper one of the three lead screws, and the blind plate rotates around the axis. The following two lead screws are equipped with blind plate positioning blocks on the same position, which can prevent the blind plate from drifting when the blind plate rotates and avoid abrasion of the sealing rubber ring.