Valve Spring
Discharge Valve Spring for Kerr KA-3500PT/Q5450PT
- Catalogue reference number
- KA-52HD
- 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 | 0.34 lb (≈ 0.15 kg, converted) |
| Width | 5.1 cm |
| Height | 5.1 cm |
| Depth | 10.9 cm |
Catalogue description records
This is a discharge valve spring for the Kerr KA-3500PT pump. In the fluid end the valve spring returns the discharge valve body to its seat after each stroke, helping the valve close promptly to hold pressure. The part is an aftermarket replacement for Kerr SKU KA-52HD, listed for identification and fit reference rather than as an OEM-made item. It weighs about 0.34 lb.
A valve spring returns the valve body to its seat after each stroke, ensuring the suction and discharge valves close promptly.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pump does this valve spring fit?
- It is configured for the Kerr KA-3500PT pump. Confirm against your pump model before ordering.
- What does the discharge valve spring do?
- It returns the discharge valve body to its seat after each stroke so the valve closes promptly, which helps the fluid end hold pressure.
- Is there an interchange reference for this part?
- It is an aftermarket replacement for Kerr part number KA-52HD. The number is for cross-reference only and does not imply OEM manufacture.
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