What Is a Screw Pump? Working Principle, Types, Parts, and Selection
- Sep 04, 2026
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What Is a Screw Pump? Working Principle, Types, Parts, and Selection A screw pump must be selected around the fluid, required flow, differential pressure and suction condition, not appearance or family...
Top 10 Centrifugal Pump Suppliers in China 2026: Manufacturer Comparison and Buying Guide
- Aug 13, 2026
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Choosing a centrifugal pump supplier in China is not only about finding the lowest quotation. A pump that looks affordable on the first invoice can become expensive if the flow rate is wrong,...
What Is Pump Total Head (TDH)
- Sep 24, 2025
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The term “total head” (H) is used to describe the energy in pumping systems and is how manufacturers represent the performance of their pumps as a function of flow rate. Total head is also...
What is Pump Head Loss
- Sep 24, 2025
- Hits: 138
What is Pump Head Loss Head loss refers to the total pressure losses sustained by the fluid as it flows from the suction point to the discharge point. Head loss is caused when the liquid loses momentum...
What is a Sewage Pump and How Does It Applys for Work
- Jan 30, 2023
- Hits: 294
A sewage pump transfers sewage medium at site When it comes to residential, sewage includes of soft solids that have a diameter of up to 2 inches. The sewage is propelled from the sewage basin to a septic...
Basic information required for pump selections
- Jan 02, 2023
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Basic information required for all pump selections With the following information, we are able to make a basic pump selection; Liquid type Knowing the liquid that you are pumping is crucial as it let...
Pump corrosion resistance and chemical compatibility
- Jan 02, 2023
- Hits: 379
What is chemical compatibility? The wetted parts of pumps may be constructed from a number of materials: Metals (for example: cast iron, stainless steel, nickel alloys) for casings and other components...
Applications, Characteristics and Main Parts of Screw Pump
- Oct 12, 2022
- Hits: 1484
Main parts of screw pump are: Inlet & Outlet Ports Driver Screw Timing Gear Bearings Driven Screw Pressure Relief Valve Driving Shaft Driver Screw It’s a screw pump’s spinning component....
Pump knowledge: What Is Screw Pump?
- Oct 12, 2022
- Hits: 281
What Is Screw Pump? A screw pump is a positive displacement (PD) pump that uses one or more screws to move fluid solids or liquids along the screw axis. In its simplest form, a single screw rotates in...
Pump knowledge: What is a Pump Shaft Seal?
- Jul 24, 2022
- Hits: 340
What is a pump shaft seal? Shaft seals prevent liquid escaping from a rotating or reciprocating shaft. This is important for all pumps and in the case of centrifugal pumps several sealing options will...
What is Self-Priming Pump and How does it work?
- Jul 19, 2022
- Hits: 579
Useful information on Self-Priming Pumps What is Self-Priming Pump? If a pump is located beneath the level of the liquid to be pumped, gravity and air pressure ensure that it is constantly filled with...
Differences Between Pump Motor 50Hz and 60Hz Frequency?
- Jun 03, 2022
- Hits: 5112
50Hz vs 60Hz in operating speed The primary difference between 50 Hz (Hertz) and 60 Hz (Hertz) is, well, 60Hz is 20% higher in frequency. For a generator or induction motor pump (in simple terms) it means...