Mechanical seals for submersible pumps: a guide

29.04.2025

Main features of mechanical seals for submersible pumps from Meccanotecnica Umbra

• are specially designed for submersion, with extreme resistance to external pressure and constant contact with various fluids; 
• are made of rugged materials, such as silicon carbide, tungsten carbide, and corrosion- and abrasion-resistant steels;
• are capable of handling abrasive particles, typical of environments where sand or sediment are present; 
• have a more complex structure, usually with double seals or a cartridge design to ensure longevity and motor protection.

In a nutshell, Meccanotecnica Umbra's mechanical seals for submersible pumps are optimized to withstand harsh and extreme conditions, ensuring reliability and durability in hostile environments and continuous submersion.

Applications of mechanical seals for submersible pumps

Meccanotecnica Umbra's mechanical seals for submersible pumps are used in many areas and sectors. The main ones are:

• water treatment, in sewage treatment, drainage and drinking water;
• the petrochemical industry, in refineries and oil wells;
• the mining industry, in sludge pumping and mine drainage;
• the energy sector, in hydroelectric, nuclear and geothermal power plants;
• agriculture, in sewage management and irrigation;
• the civil sector, in anti-flooding and deep wells;
• the food industry, in pumping food liquids;
• the chemical industry, in transferring aggressive substances;
• the naval industry, in drainage and bilge systems;
• construction, in water management in yards and tunnels.

Given the wide range of uses, Meccanotecnica Umbra offers customized solutions that take into account the surrounding environment, working conditions and desired results while ensuring the best possible outcome. Specifically it offers:

• custom design, with customization of dimensions, materials, and performance to suit specific applications; 
• advanced materials, such as silicon carbide, tungsten carbide, Graphite, and dedicated elastomers;
• solutions for harsh environments, with the realization of designs resistant to corrosion, abrasion, high pressures, and temperatures;
• advanced technologies, with double seals and cartridge solutions to ensure greater reliability and ease of maintenance.

Throughout the process, there is never a lack of collaboration with the client: through targeted testing, in fact, the staff aims to ensure compatibility and optimal performance, with the goal of offering high-performance, effective and long-lasting solutions.