How to Select The Sealing Form of Water Pump
The shaft seal of the water pump is a sealing device that prevents leakage between the shaft and the casing. The sealing form of water pump is mainly divided into two kinds of packing seal and mechanical seal.
1. The packing seal has simple structure, low price and convenient maintenance. Howere,the leakage and power loss are large . Therefore, the packing seal is used to transport general media, such as water; It is not suitable for petroleum,chemical,precious, explosive and toxic media.
2. The mechanical seal has good effect, small leakage and long life, also expensive price. The requirements of processing, installation and maintenance are higher than those of general seals. Mechanical seal is suitable for transporting petroleum and chemical media, and can be used for a variety of media with different viscosities, strong corrosiveness and particles.
