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2023 04-25Split Case Pump Inlet and Outlet Pipeline Design
1. Piping Requirements for Pump Suction and Discharge Piping 1-1. All pipelines connected to the pump (pipe burst test) should have independent and firm supports to reduce pipeline vibration and prevent the weight of the pipeline from p...
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2023 04-12Maintenance Methods of Split Case Pump Components
Packing Seal Maintenance Method 1. Clean the packing box of the split case pump, and check whether there are scratches and burrs on the surface of the shaft. The packing box should be cleaned and the shaft surf...
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2023 03-26Split Case Pump (other Centrifugal Pumps) Bearing Temperature Standard
Considering the ambient temperature of 40 °C, the maximum operating temperature of the motor cannot exceed 120/130 °C. The maximum bearing temperature is 95 °C. Relevant standard requirements are as follows. 1. GB3215-82 4.4.1 ...
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2023 03-04Common Causes of Split Case Pump Vibration
During the operation of split case pumps, unacceptable vibrations are not desired, as vibrations not only waste resources and energy, but also generate unnecessary noise, and even damage the pump, which can lead to serious accidents and damage. Common vib...
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2023 02-16Precautions for Shutting-down & Switching Split Case Pump
Shutdown of the Split Case Pump 1. Slowly close the discharge valve until the flow reaches the minimum flow. 2. Cut off the power supply, stop the pump, and close the outlet valve. 3. When there is a minimum flow bypass pip...
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2023 02-09Precautions for Starting Split Case Pump
Preparations Before Starting Split Case Pump 1. Pumping (that is, the pumping medium must be filled with the pump cavity) 2. Fill the pump with the reverse irrigation device: open the shut-off valve of the inlet pipeline, open all t...
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2023 01-06What Material is Generally Used for Centrifugal Pump Bearings?
The bearing materials used in centrifugal pumps are mainly divided into two categories: metallic materials and non-metallic materials. Metallic Material Metal materials commonly used metal materials for sliding bearings include bearing a...
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2022 09-24Bracket for Double Suction Split Case Pump
The double suction split case pump is inseparable from the help of the bracket in the process of work. You may not be unfamiliar with it. They are mainly split case brackets, thin oil lubrication and grease lubrication, specifications as... -
2022 09-17Dynamic and Static Balance of Centrifugal Pump
1. Static Balance
The static balance of the centrifugal pump is corrected and balanced on a correction surface of the rotor, and the remaining unbalance after correction is to ensure that the rotor is within the specified range of the allowabl... -
2022 09-01What's the Reason for the Large Vibration of the Vertical Turbine Pump?
Analysis of the causes of vibration of the vertical turbine pump
1. Vibration caused by the installation and assembly deviation of thevertical turbine pump
After installation, the difference between the levelness of the pump body and the thrust p... -
2022 08-27How to Judge the Rotation Direction of the Split Case Pump?
1. Rotation Direction: Whether the pump rotate clockwise or counterclockwise when viewed from the motor end (the arrangement of the pump room is involved here).
From the motor side: if the pump rotates counterclockwise, the pump inlet is on th... -
2022 08-03What's the Common Control Methods of Diesel Engine Fire Pump
Diesel engine fire pumps can be widely used in environmental protection, water treatment and fire protection departments to transport various liquids with their own advantages.
1. The diesel engine fire pump will only start automatically when the fire...
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