塑股蝶阀根据不同的介质有多种梱可逸，耐腐蚀性强，适用于口径比较大的管路。连接是由 两端的法兰对夹而成，方嘶卸维修。
According to the different media, the plastic butterfly valve has many optional materials. Its corrosion resistance is strong and it can apply to larger diameter pipeline. The connection is made by two ends of flange. It is convenient to remove and maintain.