got a char-lynn unit on the bench. is this 8770-113 ring the right kind of part for a seal stack, or what’s it actually do
Question by: Norm A on Jun 30, 2025, 6:58 PM
In a hydraulic seal stack, a Teflon backup ring is there to support the main seal and help it hold its shape under pressure. This part is identified as an Eaton Char-Lynn Teflon backup ring with supplier part number 8770-113.
Answer by: Customer Support on Jul 2, 2025, 4:06 PM
What exactly is this ring made of? Teflon, right?
Question by: Wayne F on Jun 8, 2025, 6:26 PM
That's correct, this backup ring is made of Teflon.
Answer by: Customer Support on Jun 10, 2025, 2:03 PM
Is this the teflon backup ring that goes with the Eaton Char-Lynn motor seals, or is it a different part?
Question by: Rod P on Jul 7, 2025, 8:24 PM
this is the Danfoss/Eaton Char-Lynn Teflon backup ring, supplier part number 8770-113. It carries the Char-Lynn brand lineage and is a genuine replacement component for that product family.
Answer by: Customer Support on Jul 9, 2025, 10:41 AM
