PSI INDUSTRIAL ENGINES
In ProductionPSI 22L
PSI 22L is a 21.93 L V12 spark-ignition natural-gas generator engine. Natural-gas ratings: 50 Hz prime 280 kWe / 340 kWm; 50 Hz standby 320 kWe / 378 kWm; 60 Hz prime 375 kWe / 434 kWm; 60 Hz standby 450 kWe / 510 kWm. Ratings exclude propane/LPG data and were verified from official PSI natural-gas rating tables.
Standby Power
563 kVA
Electrical Output
450 kWe
Cylinders / Config
V12
Displacement
21.93 L
Rated Speed
1,500 RPM
ISO 8528 Power Ratings
Power Factor: 0.8 pfkWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 340 | 280 | 350 |
| Standby | 378 | 320 | 400 |
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 434 | 375 | 468.8 |
| Standby | 510 | 450 | 562.5 |
Mechanical & Electrical Specifications
| Brand | PSI |
| Model | 22L |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 21.93 L |
| Compression Ratio | 10.5:1 |
| Dry Weight | 1650 kg |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | EPA |
| Country of Origin | United States |
Frequently Asked Questions
What is the power output of the PSI 22L?
The PSI 22L is rated at 400 kVA standby / 350 kVA prime at 50 Hz (1,500 rpm); and 563 kVA standby / 469 kVA prime at 60 Hz (1,800 rpm).
Does the 22L run at 50 Hz or 60 Hz?
The PSI 22L is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the PSI 22L use?
The PSI 22L is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the 22L?
The PSI 22L is a V12 (12-cylinder) engine with a displacement of 21.93 L.
What emissions standard does the 22L meet?
The PSI 22L is certified to U.S. EPA Stationary emissions standards.
Is the PSI 22L still in production?
Yes — the PSI 22L is a current production model.
Is a datasheet available for the 22L?
Yes — an official PSI datasheet for the PSI 22L can be downloaded from this page.