Valve / Valve Part
Valve Insert Abrasive Resistant Red (1090-6175F)
- Catalogue reference number
- KP-85R
- Catalogue brand
- Kerr
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.

Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 0.01 lb (≈ 0.00 kg, converted) |
| Width | (无) |
| Height | (无) |
| Depth | (无) |
Catalogue description records
This abrasive-resistant red valve insert (1090-6175F) is a fluid-end valve part used in the valve set that controls one-way flow through a Kerr piston pump on the suction and discharge strokes. The "abrasive resistant" designation refers to the duty it is built for, such as pumping fluids that carry suspended solids; "red" identifies this version of the insert. It is supplied as an aftermarket replacement for Kerr part number KP-85R, matching the original part's form and fit, and fits the Kerr JT40, KP-3300PT and T30M models.
This valve part belongs to the fluid-end valve set that controls one-way flow through the pump on the suction and discharge strokes.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does the red valve insert KP-85R (1090-6175F) fit?
- It fits the Kerr JT40, KP-3300PT and T30M models.
- What does "abrasive resistant" mean, and why "red"?
- "Abrasive resistant" describes the service the part is built for, such as pumping fluids with suspended solids; "red" identifies this version of the insert.
- What part numbers identify this insert?
- It is supplied as an aftermarket replacement for Kerr part number KP-85R and is also referenced as 1090-6175F, supplied to match the original part's form and fit.
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