Hard seal butterfly valve
Hard seal butterfly valve, also known as flap valve, is a regulating valve with simple structure. At the same time, it can also be used for on-off control of low-pressure pipeline medium. The hard seal butterfly valve mainly plays the role of cutting off and throttling on the pipeline. The opening and closing part of butterfly valve is a disc-shaped butterfly plate, which rotates around its own axis in the valve body, so as to achieve the purpose of opening, closing or adjustment. The hard sealing butterfly valve is applicable to pipelines conveying various corrosive and non corrosive fluid media in generator, gas, steam, natural gas, urban gas, hot and cold air, chemical smelting engineering and power generation environmental protection system, and is used to regulate and cut off the flow of media.