Trisun Ltd

A worn shaft sleeve rarely stays an isolated problem. Damage at this point can affect sealing, increase vibration and eventually expose the shaft itself to wear. In an  EBARA pump , the sleeve, mechanical seal, bearings and other  pump parts  therefore need to be inspected as connected components rather than as separate maintenance items.   A pump sleeve is a replaceable wear component that helps protect the pump shaft and provides a suitable surface for sealing components. The state of an EBARA pump can impact shaft protection, mechanical seal performance and overall pump dependability. Periodic inspection of the sleeve, along with other critical pump parts, can help identify wear before it leads to more extensive damage or an unplanned shutdown.   Here are seven checks to make before a small defect causes an unplanned shutdown.   The most important areas to inspect are the pump sleeve, shaft, mechanical seal, bearings and impeller. The exact i...

Substituting a leaking seal is not merely a case of fitting the aged part by appearance. A  Grundfos seal  must fit the pump, shaft, liquid and real operating needs. Grundfos itself identifies shaft diameter, pumped medium, temperature, sealing pressure and rotational speed as key selection factors.   The right Grundfos seal is therefore selected based on application data, not appearance alone. A mechanical seal must match the pump shaft, pumped medium, pressure, temperature and operating speed, while the seal materials and configuration must suit the actual service conditions. Start with the pump, not the aged seal First, confirm the exact Grundfos pump series, model and shaft dimensions. Trisun’s current range includes multiple Grundfos replacement options, including GF01, GF02, GF03, GF04, GF05, GF06 and cartridge configurations.   The pump model is especially important because a Grundfos seal is not determined solely by shaft diameter. Working length,...