Centrifugal Pump · Pumps
Regular maintenance is key to ensuring the long lifespan and reliable operation of thermal oil circulation systems. The Allweiler NTT is a centrifugal pump designed specifically for this purpose. This electric-drive pump is installed within thermal oil circulation systems, transferring thermal oil efficiently. Common failures in this type of system can include mechanical seal leakage caused by high-temperature operation, bearing overheating, casing gasket leakage, and cavitation damage resulting from inadequate suction conditions. To minimize downtime and ensure smooth operation, it is recommended to stock spare parts such as high-temperature mechanical seals, bearing sets, casing gaskets, and coupling elements. Service procedures should include monitoring bearing temperature and seal leakage. After hot operation, it's crucial to check the pump's alignment. Finally, adhere to the manufacturer's recommended preventive maintenance schedule for thermal oil systems, which includes inspections of both the seal and bearings.
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Allweiler's NTT series centrifugal pumps are designed for maximum interchangeability and modular construction.
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Monitor bearing temperature and seal leakage. Check alignment after hot operation. Seal and bearing inspection according to thermal oil system PMS.
High-temperature mechanical seal, bearing set, casing gasket and coupling element should be stocked.
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