Centrifugal pumps may look alike from the outside, but it's the impeller inside that determines how they perform. We explore the three main types — closed, open, and semi-open — their applications, construction materials, and the key criteria for choosing the right one for your system.
About Trans-Mar Services Ltd Trans-Mar Services Ltd is a marine technical goods and ship supply company based in Varna, Bulgaria. Founded in 2006, the company serves ports across Bulgaria and Romania, offering ship supply, technical goods, and related services to the shipping industry.
The seal is the element that determines whether a pump leaks or holds, affecting maintenance and energy consumption. Mechanical seals overcome the limitations of packing systems, but choosing the right type depends on the fluid being pumped and the system's operating conditions.