Part Code 4PNJA-28, Part Name: Expeller Cover; Material ZG1Cr18Ni9Ti; fitsPump Model: 4PNJA, 4PNJB. Quote by part code.
The cover between frame plate liner and shaft seal, working with the expeller to reduce seal pressure. This code fits 2 pump models; common materials ZG1Cr18Ni9Ti.
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 |
|---|---|---|---|---|---|
| 4PNJA | Expeller Cover | Mud / Sand / Ash Pumps | ZG1Cr18Ni9Ti | 16.5 | pc |
| 4PNJB | Expeller Cover | Mud / Sand / Ash Pumps | ZG1Cr18Ni9Ti | 16.5 | 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.