**4220 325hp/20000psi High Pressure Bareshaft Pump**
**Brief Introduction:**
The Jetstream model 4220 waterblast pump is a high-performance unit capable of handling up to 325 horsepower and delivering over 21 gallons per minute at 20,000 psi. It is one of the most advanced and efficient waterblast pumps in its class, designed for heavy-duty applications. Combining the strength of a proven power end with the flexibility and serviceability of the UNxâ„¢ fluid end design, this pump is ideal for custom system builders or those looking to replace an outdated or unreliable unit.
- Up to 325 horsepower
- Flow rate of over 21 GPM at 20,000 psi
- Three-plunger (triplex) design for consistent performance
**UNxâ„¢ Fluid End Features**
- Enhanced performance and reliability
- Easy maintenance and field adaptability
- Reduced downtime for improved productivity
**UNxâ„¢ Power End Features**
- Pressurized lubrication system with oil filter and cooler
- Forged steel crankshaft with shot peening for increased durability
- Center roller bearings provide stable support and reduce wear
**Basic Specifications**
| Max. Power Input | hp | kW |
|------------------|----|----|
| | 325 | 242 |
| Plunger Stroke | in | mm |
|----------------|----|----|
| | 3 | 76.2 |
| Max. RPM | Max. Pump Displacement |
|----------|------------------------|
| 150-514 | 21.4 GPM / 81 LPM |
| Max. Frame Load | lbs | N |
|-----------------|-----|---|
| 17750 | 78950 |
| Max. Operating Pressure | psi | bar |
|-------------------------|-----|-----|
| 20000 | 1379 |
| Total Weight | lbs | kg |
|--------------|-----|----|
| 1800 | 820 |
| Pump Oil Capacity | gal | l |
|-------------------|-----|---|
| 9 | 34 |
**Fluid End Specifications**
| Plunger Size | No. | Diameter (in/mm) | Connection Types |
|--------------|-----|------------------|------------------|
| | #8 | 0.800 / 20.32 | 20K Port Female |
| Pump Displacement at Specified Pump Speeds |
|--------------------------------------------|
| 200 RPM | 4.6 GPM / 21 LPM |
| 300 RPM | 8.3 GPM / 31.5 LPM |
| 400 RPM | 11.1 GPM / 42 LPM |
| 514 RPM | 14.3 GPM / 54 LPM |
| Max. Operating Pressure | psi | bar |
|-------------------------|-----|-----|
| 20000 | 1379 |
| Plunger Size | No. | Diameter (in/mm) | Connection Types |
|--------------|-----|------------------|------------------|
| | #9 | 0.900 / 22.86 | 20K Port Female |
| Pump Displacement at Specified Pump Speeds |
|--------------------------------------------|
| 200 RPM | 7.0 GPM / 26.6 LPM |
| 300 RPM | 10.5 GPM / 39.9 LPM |
| 400 RPM | 14.1 GPM / 53.2 LPM |
| 514 RPM | 18 GPM / 68.3 LPM |
| Plunger Size | No. | Diameter (in/mm) | Connection Types |
|--------------|-----|------------------|------------------|
| | #10 | 0.980 / 24.89 | 20K Port Female |
| Pump Displacement at Specified Pump Speeds |
|--------------------------------------------|
| 200 RPM | 8.3 GPM / 31.5 LPM |
| 300 RPM | 12.5 GPM / 47.3 LPM |
| 400 RPM | 16.7 GPM / 63.1 LPM |
| 514 RPM | 21.4 GPM / 81 LPM |
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