Finish Thompson J103893 PTFE Thrust Ring
This is the factory ptfe thrust ring for Finish Thompson KC7 and MSKC multistage pumps with 3.00 and 3.19 inch impellers. It takes the axial load of the impeller and keeps it from bearing directly on the housing. It is built in PTFE, which is what decides where it can safely be used.
It is one of the parts worth renewing on schedule instead of waiting for a fault. A thrust ring that has worn thin lets the impeller move toward the housing, and from there the clearance that sets pump output disappears. Check the pump build before ordering, because these pumps are offered in more than one material and size combination and the alternatives look similar on the shelf.
Key Features
- PTFE Thrust Ring in PTFE built to the original factory specification
- PTFE ring for the 3.00 and 3.19 inch impeller sizes
- Carries impeller axial thrust away from the housing face
- Sized and finished to drop straight into the position it came from
- Inexpensive component whose failure takes the whole pump out of service
Applications
- Finish Thompson KC7 and MSKC multistage pumps with 3.00 and 3.19 inch impellers
- KC7 and MSKC wet end rebuilds
- Restoring running clearance on a pump that has lost output
- Scheduled overhaul and annual inspection of the pump
- Repair of a pump taken out of service after a leak or a loss of performance
Specifications
- Brand: Finish Thompson
- Manufacturer Part Number: J103893
- Part Type: PTFE Thrust Ring
- Material: PTFE
- Position: Between the impeller and the housing face
- Fits: Finish Thompson KC7 and MSKC multistage pumps with 3.00 and 3.19 inch impellers
- Quantity Per Pump: 1
- Condition: New
Frequently Asked Questions
Q: Should anything else be replaced at the same time?
Whatever the teardown exposes. Elastomers and bushings are inexpensive and are best renewed while the pump is already apart.
Q: What causes most premature failures on this part?
Running the pump outside what it was specified for, whether that is temperature, viscosity, dry running or an incompatible chemical.
Q: Does fitting this affect the pump warranty?
Using the factory part keeps the pump to its original specification, which is what any warranty position depends on.
Q: How should the pump be flushed before service?
With a fluid known to be compatible, so the parts can be handled safely and the old chemical is not carried into the rebuild.
Not sure this is the right part? Send us a Picture of the pump plate on your pump and the CLR Marine team will confirm the correct thrust ring before you order.
CLRMarine
