Reasons for severe shaking of stainless steel water pumps1. Loose flange and boltsThe bolt is subjected to lateral load and torque, which can easily cause the bolt to rotate and loosen. When the bolt is loose, failure to tighten it in a timely manner can lead to strong shaking of the water pump.2. M

Reasons for damage to water pump bearings1. Improper installation of bearings1) The use of brute force during installation, such as directly striking the bearing with a hammer, can cause significant damage to the bearing and is the main cause of deformation2) Inadequate installation, installation de

The difference between oil-immersed submersible pumps and water-immersed submersible pumps.
Oil grade
Cable
Different Types of Electric Coolant
Different impacts on the environment
Different service life
Applications are different

KATREENI Brand 2qgd 3qgd 4qgd 5qgd Submersible Screw Pump for Agriculture Irrigation
Dolay Pump Offer 110V 220V Submersible Screw Water Pump
What is QGD series submersible screw water pump ?

The advantages and disadvantages of submersible pumpsAdvantages of submersible pumps:
1. The electric motor and the water pump are combined into one body, so there is no need for a long transmission shaft, and the weight is light.
2. Both the motor and the water pump are submerged in the water.
Zhejiang Dolay Pump Industry Co,Ltd has been supplying stainless steel oil-filled and water-immersed submersible pumps

What is an oil-immersed submersible pump?
The oil-immersed submersible pump is a portable shallow water drainage and irrigation equipment that combines a pump and a machine.
​Applications for oil-immersed water pump

Model: 4SK Submersible Pump
Structure featuresShaft, jacket and hydraulics in stainless steel.
Brass impeller.Built -in non-return valve.
Oil-cooled motor with compensating diaphragm
China Water Pump Manufacturer 4SKM Submersible Deep Well Pump

How to prevent scaling of vacuum pumpsWhat is vacuum pump scalingIt is usually formed by chemical reactions of impurities, water, grease, and other substances in the medium inside the pump under high temperature and pressure. These deposits will adhere to the internal surface of the pump, causing pr

Difference between self priming centrifugal pumps and ordinary centrifugal pumps1. Different startup methodsCentrifugal pump: Both the inlet pipe and the pump body need to be filled with water during startup.Self priming centrifugal pump: Inject a certain amount of starting circulating water into th

6SP STAINLESS STEEL SUBMERSIBLE DEEP WELL PUMP
Characters and AdvantagesStainless steel impellers,diffusers,outlet,connection.
Water lubricated rubber bearing with sand channel
High effeciency with built-in check valve to prevent back flow
Unique laser welding creats maximum strenth,durability wear and