The Classic™️ is a hard-working, no-frills oxygen-generating system that has been in service since 2011. Easy to assemble and operate. Requires little maintenance. Just turn on the switch and make oxygen.

Affordable Oxygen Generation
It’s simple. Your investment in oxygen generation will save you time and money so you can focus on your business.
- Automate your oxygen supply
- Build a system to meet your needs, with the right amount of O2 production, pressure, and storage
- Solid, safe, and reliable
- Outstanding customer support
Features

- HVO controller with Honeywell pressure transducer
- Supports oxygen storage tanks from 6 to 80 gallons
- Tanks can be interconnected to extend storage
- Three available compressor types:
- Standard: 45 LPM maximum input, 100 PSI maximum pressure
- Mighty Mite: 45 LPM maximum input, 150 PSI maximum pressure
- MAX: 54 LPM maximum input, 150 PSI maximum pressure
- Compatible with the HVO Drone for increased compression and oxygen generation
- Configurable pressure setpoints of 30-100 PSI and 100-150 PSI
- Oxygen Purity Maximization enables oxygen concentrators to warm up to achieve maximum purity. Warm-up period settings of 0, 30, 60 and 90 seconds
Configuration Options
Tank Size (Liquid Gallons) | Capacity at Pressure (Gas Liters) | Compressor | Max. Input (LPM) | Max. PSI |
20 | 515.0 | Standard | 45 | 100 |
772.4 | Mighty Mite | 45 | 150 | |
772.4 | MAX | 55 | 150 | |
30 | 772.4 | Standard | 45 | 100 |
1,158.7 | Might Mite | 45 | 150 | |
1,158.7 | MAX | 55 | 150 | |
60 | 1,544.9 | Standard | 45 | 100 |
2,317.3 | Mighty Mite | 45 | 150 | |
2,317.3 | MAX | 55 | 150 | |
80 | 2,059.9 | Standard | 45 55 | 100 |
3,089.8 | Mighty Mite | 45 | 150 | |
3,089.8 | MAX | 55 | 150 |
Specifications
HVO Classic 20

- 20 gallon, oxygen clean tank
- Dimensions: 30″ H x 38″ W x 22″ D
- Ball valve oxygen shutoff
- Pressure gauge
- 200 PSI safety blow-off valve
- Power: Available for 120 V/50 hz, 220-240 V/60 hz, 5.5 A
- Weight: 170 lbs
- PORTABLE — great for taking the oxygen where you need it
HVO Classic 30

- 30 gallon, oxygen clean tank
- Dimensions: 54″ H x 24″ W x 22″ D
- Ball valve oxygen shutoff (not shown)
- Pressure gauge (not shown)
- Extra port for tank interconnection
- 200 PSI safety blow-off valve
- Power: Available for 120 V/50 hz, 220-240 V/60 hz, 5.5 A
- Weight: 200 lbs
HVO Classic 60

- 60 gallon, oxygen clean tank
- Dimensions: 64″ H x 30″ W x 22″ D
- Ball valve oxygen shutoff (not shown)
- Pressure gauge (not shown)
- Extra port for tank interconnection
- 200 PSI safety blow-off valve
- Power: Available for 120 V/50 hz, 220-240 V/60 hz, 5.5 A
- Weight: 280 lbs
HVO Classic 80

- 80 gallon, oxygen clean tank
- Dimensions: 64″ H x 30″ W x 24″ D
- Ball valve oxygen shutoff
- Pressure gauge
- Extra port for tank interconnection
- 200 PSI safety blow-off valve
- Power: Available for 120 V/50 hz, 220-240 V/60 hz, 5.5 A
- Weight: 350 lbs