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.

Valve Insert Abrasive Resistant Red (1090-6175F)

Valve Insert Abrasive Resistant Red (1090-6175F) — Valve / Valve Part aftermarket replacement part

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.

What it is

This valve part belongs to the fluid-end valve set that controls one-way flow through the pump on the suction and discharge strokes.

Pump compatibility

JT40
KP-3300PT
T30M

Specifications

Property	Value
Weight	0.01 lb (≈ 0.00 kg, converted)
Width	（无）
Height	（无）
Depth	（无）

Manufacturer technical notes

Kerr KP-85R Abrasive Resistant Valve Insert (Red), fabricated from tungsten carbide matrix + nano-ceramic coating (ASTM B657), HIP sintered, hardness HRA≥89, temperature-resistant up to 300°C, API 7K compliant, ISO 15154-E erosion rating, direct replacement for National 1090-6175F.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing Kerr KP-85R.

FAQ

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.

Related parts

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All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.

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