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The replaceable soft seat butterfly valve’s sealing performance is mainly achieved by the contact between the disc and the seat. The disc surface is usually covered with wear-resistant, corrosion-resistant materials to improve sealing and service life. When the valve disc is in contact with the seat, a sealing ring is formed through the pressure of the valve disc and the contact pressure of the sealing surface to prevent the leakage of the medium. The replaceable soft seat butterfly valve’s sealing performance is good, and can be applied to the control of high pressure, high temperature and corrosive media. You need to consider the working conditions when choosing.
the seat of the hard back seatt is pressed on the valve body with the abrasive tool, which is not easy to replace by itself, and the edge of the seat of the hard back seatt t is thin, and the material selected is also inferior material, which can not be recycled. The seat of the replaceable soft seat is manufactured according to the model, which is convenient to replace by itself and saves cost for the enterprise. The replaceable soft seat has a wider edge, and non-special flanges can be used when the pipe is connected to the valve, and the sealing performance is as good as that of the special flange connection. The selected rubber material is also a new type of wear-resistant rubber, which can be recycled again after damage, saving resources for the country.
To be replaced in the following cases:
1.Significant wear, cracking, or aging of the seat results in reduced sealing performance.
2.Leaks often occur and the seal cannot be restored through routine maintenance.
3.Long-term use of high temperature, high pressure or corrosive media leads to degradation of replaceable soft seat butterfly valve seat materials.
4.The frequency of replacement depends on the replaceable soft seat butterfly valve environment and operating conditions.
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No. 838, Oubei Avenue, Yongjia County, Wenzhou City, Zhejiang Province, China
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