コラム– archive –

Can Air Diaphragm Pumps Be Used in Explosion-Proof Areas? The key feature of Eichitwo air diaphragm pumps is their air-driven operation. Since they do not use an electric motor, there is no risk of explosion caused by sparks.They can be ...

The term “slurry” is commonly used, but… Have you ever heard the term “slurry”? If you work in fields such as wastewater treatment, paint, civil engineering, chemical processing, or surface treatment plants, it is likely a familiar term....

Also known as a “screw pump” or “single-shaft screw pump,” it is a positive displacement rotary pump. In theory, it can handle liquids up to 1,000,000 cP and can transfer semi-solid materials without causing damage. It is also highly pre...

A 着脱装置“chakudatsu sōchi” (auto-coupling device) is an attachment mechanism that allows the pump body to be easily connected to and disconnected from the piping. It simplifies maintenance and inspection of submersible pumps, enabling ...

What Is Sulfuric Acid? Pure sulfuric acid (100%) is a colorless, oily liquid that boils at 274 °C when heated. It is a powerful oxidizing agent with strong dehydrating properties, and it exhibits intense corrosivity toward various materi...