O-Ring
O-Ring Cover Cap 2-228-90 Nitrile
- Catalogue reference number
- Q5450HP-38
- 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 | 0.00 lb (≈ 0.00 kg, converted) |
| Width | （无） |
| Height | （无） |
| Depth | （无） |
Catalogue description records
The O-Ring Cover Cap 2-228-90 Nitrile is an elastomeric sealing ring used at the cover cap of Kerr KM-3250PT, KMX-3300SHPT and T30M pumps, where it closes the joint to prevent leakage of fluid or pressure. The name follows the standard convention: 2-228 is the ring size, 90 is the nominal durometer hardness, and Nitrile is the elastomer. It is an aftermarket replacement that interchanges with Kerr part Q5450HP-38.
An O-ring is an elastomeric static or dynamic seal that closes a joint or bore against leakage of fluid or pressure.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this cover cap O-ring fit?
- It fits the Kerr KM-3250PT, KMX-3300SHPT and T30M pump models.
- What do 2-228 and 90 mean in the name?
- 2-228 is the standard O-ring size designation and 90 is the nominal durometer hardness; Nitrile is the elastomer material named for the ring.
- What part number does it replace?
- This aftermarket O-ring interchanges with Kerr part number Q5450HP-38, listed for identification only and not indicating OEM manufacture.
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