The SDS type pump is a single-stage, double suction, pump shell split, volute type horizontal centrifugal pump that is used to pump untreated water, clean water, non potable water, and hydrocarbons. The maximum temperature of the pumped liquid can reach 105 ℃, while the SDSL type is 80 ℃.

The SDS type pump has a flow rate of 68-11000 cubic meters per hour and a head of 7-200 meters. It is suitable for tap water, irrigation, drainage pump stations, power stations, industrial water supply systems, fire protection systems, shipbuilding industry, and is also suitable for general use in the refining industry.  



Structure description:
The SDS series pump is a single-stage double suction axial split volute centrifugal pump that can be installed horizontally or vertically. The drive end of the horizontal pump can be set on the left or right side of the pump as needed, which means that the same rotor component can be used in both clockwise and counterclockwise directions.

The main components of SDS pump include pump body, pump cover, impeller, shaft, sealing body, pump body sealing ring, shaft sleeve, bearing components and coupling components.
The pump casing is made horizontally split, and the suction and discharge ports 121 of the pump are cast on the lower half of the pump body. The inlet and outlet flanges of the lower half of the pump casing are on the same horizontal plane, that is, the casing adopts a linear design, the distance between the supports at both ends is short, and longer bolts are used to connect the flanges without leakage. The pump cover can be automatically calibrated for easy installation.
The blade profile of the impeller has excellent hydraulic performance and has undergone static balance verification. The impeller is designed symmetrically, and the liquid enters the impeller from both sides, which can minimize the axial force. The impeller has a large inlet area, no vortex flow at the inlet, smooth operation, and low noise. If necessary, the impeller can also be equipped with a sealing ring.

For horizontal pumps: both sides of the pump shaft are supported by bearings, which are enclosed rolling bearings that can be lubricated with grease and have a long operating time; A constant oil level oil cup can also be configured for lubrication with thin oil. The free end bearing is equipped with a bearing, which allows for quick replacement of the bearing without removing the rotor or pump casing.
Vertical pump: The upper bearing is a grease lubricated bearing, and the bottom is a medium lubricated silicon carbide wear-resistant sliding bearing, ceramic bearing, or polyurethane rubber bearing.
The pump shaft is completely sealed, does not come into contact with the medium, and has no corrosion; The pump shaft is short, rigid, and vibration free, with a replaceable shaft sleeve on the shaft, and the bearing extends into the sealing area; The thread does not come into direct contact with the medium, is corrosion-resistant, and has a long operating life; No adjustment is required during assembly, and elastic prestressing assembly is used, making the assembly and disassembly of rotor components simple and quick.

The pump body sealing ring, with its gap with the impeller, reduces the leakage of liquid from the pressurized water chamber back into the suction chamber. The sealing ring protects the pump casing from wear and tear, and is a vulnerable component that can be replaced with spare parts after wear and tear.
There are two types of shaft seals: soft packing seals and mechanical seals. The degree of packing compression must be appropriate. The packing gland is open, providing sufficient space for repair and maintenance.
The pump is directly connected to the electric motor through an elastic coupling.