This series of products is a long shaft submerged pump. The API definition is VS4.
The series pumps are sealed by sub blades and balance axial force. The lower radial support adopts water guide bearing, and rubber or sairon material is selected according to the conditions of use. The upper thrust ball bearing is installed above the platform plate and grease is lubricated.
The depth of the pump can reach 5.5m, which is suitable for conveying all kinds of clean or medium containing a small amount of impurities.