Part Code B138, Part Name: Oil-cup Seat; Material 20; fitsPump Model: 20A-L, 50B-L, 1.5/1B-AH, 2/1.5B-AH. Quote by part code.
This is the drawing number of “Oil-cup Seat“ — a routine pump part. This code fits 4 pump models; common materials 20.
Weights are for reference onlyUnit weight varies with material, batch and minor structural changes, For reference only — actual weight per drawing and factory weighing. For exact weights call 13930163303 (WeChat same number) to verify.
This part code fits the pump models below. Click a model to view its full parts list.
| Pump Model | Part Name | category | Material / Spec | Unit Wt. | Unit |
|---|---|---|---|---|---|
| 20A-L | Oil-cup Seat | Slurry Pumps | 20 | 0.11 | pc |
| 50B-L | Oil-cup Seat | Slurry Pumps | 20 | 0.11 | pc |
| 1.5/1B-AH | Oil-cup Seat | Slurry Pumps | 20 | 0.11 | pc |
| 2/1.5B-AH | Oil-cup Seat | Slurry Pumps | 20 | 0.11 | pc |
※ Weights are for reference only, actual weight per factory weighing; for exact weights call 13930163303.
Send “pump model + part code + material + quantity” for a fast quote. Even a single old part or a nameplate photo is enough — we will identify the part number from the parts book. Common wear parts (impeller, liner, throat bush, frame plate liner, shaft sleeve, stuffing box, expeller cover, expeller) are kept in stock.