**4220 325hp/20000psi High Pressure Bareshaft Pump**
**Brief Introduction:**
The Jetstream model 4220 waterblast pump is designed to deliver exceptional performance with a power input of up to 325 horsepower and a flow rate of over 21 gallons per minute at 20,000 psi. It stands as one of the most advanced and efficient high-pressure pumps in its class. Combining the robust strength and long-lasting durability of a proven power end with the unmatched simplicity, serviceability, and versatility of the UNxâ„¢ fluid end design, this pump is ideal for those building their own system or upgrading from an older, complicated, or unreliable unit.
- Up to 325 horsepower
- Flow of over 21 gallons per minute at 20,000 psi
- Three plunger (triplex) design
**UNxâ„¢ Fluid End Features:**
- Superior performance under extreme conditions
- Greater flexibility for on-site adjustments
- Reduced downtime and maintenance costs
**UNxâ„¢ Power End Features:**
- Pressurized lubrication system with oil filter and cooler
- Forged steel crankshaft with shotpeening for enhanced strength
- Center roller bearings provide stable support for the crankshaft
**Basic Specifications:**
| Max. Power Input | hp | kw | # | plunger stroke | in | mm | Max. RPM | Max. Pump Displacement | gpm | lpm | Max. Frame Load | lbs | N | Max. Operating Pressure | psi | bar | Total Weight | lbs | kg | Pump Oil Capacity | gal | l |
|------------------|----|----|---|----------------|----|----|----------|------------------------|-----|-----|----------------------|-----|----|-----------------------|-----|-----|------------------|-----|----|-------------------|-----|---|
| 325 | 242| | 3 | 4.25 | 108| | 150-514 | 21.4 | 81.0| | 17750 | 78950| | 20000 | 1379| | 1800 | 820 | | 9 | 34 | |
**Fluid End Specifications:**
| Plunger Size | No. | Diameter (in) | Diameter (mm) | Connection Types | 200 RPM | GPM | LPM | 300 RPM | GPM | LPM | 400 RPM | GPM | LPM | 514 RPM | GPM | LPM | Max. Operating Pressure | psi | bar |
|--------------|-----|---------------|---------------|------------------|---------|-----|-----|---------|-----|-----|---------|-----|-----|---------|-----|-----|-------------------------|-----|-----|
| #8 | 8 | 0.800 | 20.32 | 20K Port Female | 4.6 | 21 | | 8.3 | 31.5| | 11.1 | 42 | | 14.3 | 54 | | 20000 | 1379| |
| #9 | 9 | 0.900 | 22.86 | 20K Port Female | 7.0 | 26.6| | 10.5 | 39.9| | 14.1 | 53.2| | 18 | 68.3| | 20000 | 1379| |
| #10 | 10 | 0.980 | 24.89 | 20K Port Female | 8.3 | 31.5| | 12.5 | 47.3| | 16.7 | 63.1| | 21.4 | 81.0| | 20000 | 1379| |
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