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THOMSEN MILK PUMP SEAL
SKU
TS
As low as
$39.95
Overview
| Pump | Internal | External | ||
| Buna | Viton | Buna | Viton | |
| #4 | 9355BO | 9355VO | 9222BO | 9222VO |
| #5 | 9356BO | 9356VO | 9223BO | 9223VO |
| #6 | 9357BO | 9357VO | 9224BO | 9224VO |
| #8 | 9359BO | 9359VO | 9499BO | 9499VO |
Thomsen Milk Pump Seal Kits — Internal & External
Complete seal kits for Thomsen centrifugal milk pumps in models #4, #5, #6, and #8. Choose between internal or external seal designs, with material options in Buna (BO) or Viton (VO).
- Buna (BO): Economical, reliable, widely used for standard dairy wash systems.
- Viton (VO): Higher chemical and heat resistance, recommended for harsher CIP systems and extended service life.
Always match your seal kit material to your cleaning chemicals and temperature profile.
- Model #4 — Internal or External seal kits
- Model #5 — Internal or External seal kits
- Model #6 — Internal or External seal kits
- Model #8 — Internal or External seal kits
Unsure which you need? Check our Back Plate page or compare your pump to the diagrams in the Visual Guide below.
- Head O-ring
- Ceramic seal face
- Carbon seal face with spring
- Impeller clips (and hardware as required)
Each kit contains all parts needed to rebuild and reseal your pump.
| Pump | Internal — Buna | Internal — Viton | External — Buna | External — Viton |
|---|---|---|---|---|
| #4 | 9355BO | 9355VO | 9222BO | 9222VO |
| #5 | 9356BO | 9356VO | 9223BO | 9223VO |
| #6 | 9357BO | 9357VO | 9224BO | 9224VO |
| #8 | 9359BO | 9359VO | 9499BO | 9499VO |
- Back Plate for Thomsen Pump — match internal or external style
- Shaft — replacement pump shaft
- O-Ring — replace during seal service to prevent leaks
- Clamp — sanitary clamp used on dairy piping
- Complete Thomsen Pumps — ready-to-install assemblies
- Pump Housing (Head Only) — replacement pump head
- Impeller — replace if worn or damaged
