1. Four columns, four cylinders, two-stage compression, with two first stage cylinders and two second stage cylinders.
2. Air intake rate: 8t/h @ -70 ℃ (9.8t/h @ 1-102 ℃).
3. Compressor speed ≤ 375r/min.
4. Linear velocity ≤ 3.5m/s.
5. The design temperature for low-temperature materials is -196 ℃.
6. Factory test: Simulate on-site full load liquid nitrogen evaporation test.
7. The service life of vulnerable parts reaches 12000 hours.
8. The maximum allowable gas force is 320KN, and the comprehensive piston force is 250KN.
9. Has the ability to adjust in five levels: 0% -25% -50% -75% -100%.