7~10 bar Oil-free Screw Air Compressor

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Air Pressure: 7~10 [bar], 101~145[psi], 0.7~1.0[Mpa]

Air Capacity: 0.9~43 [m³/min], 15~717[l/s], 32~1519[cfm]

Working Power: 7.5~250 [kW], 10~340[hp]

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Description

Comparisions

 

Water-lubricated Oil-free

Single Screw Air Compressor

Dry Oil-free

Double Screw Air Compressor

Working Principle Water-lubricated Oil-free Single Screw

Water-lubricated Oil-free Single Screw

Dry Oil-free Double Screw

Dry Oil-free Double Screw

Air Quality 100% Oil Free Oil in the gear
Air Purity Clear air after purified by water Contain dust and oil stain
Lubrication Media Pure Water Dry
Air Temp  Less than 55℃ About 180~200℃
Compression Single-Stage Two-stage
Cooling method Don’t need cooling system Need interstage and after Cooling system
Structure Simple and Balance Structure Radial load is not balance
Vibration and Noise Low vibration and noise High frequency noise due to the two screws
Durability Ideal Rotation speed 3000r/min, theoretically zero load.

 

Long lifetime of the screw (30000h) and star wheel (50000h)

Rotation speed 18000r/min, high loads on screws.

 

Short lifetime of screw (8000~18000h)

Maintenance Only air and water filter elements More spare parts

Parameters

7~10bar Water-lubricated Oil-free Screw Air Compressor(VSD/PM VSD)

Model Pressure Capacity Power Noise Dimension(mm) Weight
OTVS08F

7 bar

8.5bar

10bar

1.3m³/min

1.1m³/min

0.9m³/min

7.5 kW

10 HP

57dB 1100×750×1320 430kg
OTVS11F

7 bar

8.5bar

10bar

1.7m³/min

1.5m³/min

1.3m³/min

11 kW

15 HP

57dB 1100×750×1320 450kg
OTVS15F

7 bar

8.5bar

10bar

2.5m³/min

2.2m³/min

2.0m³/min

15 kW

20 HP

57dB 1590×870×1500 570kg
OTVS18F

7 bar

8.5bar

10bar

3.2m³/min

2.8m³/min

2.5m³/min

18.5kW

25 HP

58dB 1590×870×1500 620kg
OTVS22F

7 bar

8.5bar

10bar

3.7m³/min

3.4m³/min

3.0m³/min

22 kW

30 HP

60dB 1590×870×1500 640kg
OTVS30F

7 bar

8.5bar

10bar

5.3m³/min

4.7m³/min

4.3m³/min

30 kW

40 HP

61dB 1690×1000×1600 980kg
OTVS37F

7 bar

8.5bar

10bar

6.2m³/min

5.6m³/min

5.0m³/min

37 kW

45 HP

61dB 1690×1000×1600 1010kg
OTVS45F

7 bar

8.5bar

10bar

7.6m³/min

6.8m³/min

6.0m³/min

45 kW

60 HP

65dB 2350×1250×1750  1110kg
OTVS55F

7 bar

8.5bar

10bar

10.0m³/min

9.0m³/min

7.8m³/min

55 kW

75 HP

67dB 2350×1250×1750  1200kg
OTVS75F

7 bar

8.5bar

10bar

13.0m³/min

12.0m³/min

10.0m³/min

75 kW

100HP

71dB 2800×1450×1900  1550kg
OTVS90S

7 bar

8.5bar

10bar

16.8m³/min

15.0m³/min

14.0m³/min

90 kW

120HP

72dB 2450×1450×1700  2250kg
OTVS110S

7 bar

8.5bar

10bar

20.0m³/min

18.5m³/min

16.0m³/min

110kW

150HP

74dB 2450×1450×1700  2450kg
OTVS132S

7 bar

8.5bar

10bar

25.0m³/min

23.0m³/min

20.0m³/min

132kW

180HP

77dB 2450×1450×1700  2450kg
OTVS160S

7 bar

8.5bar

10bar

27.0m³/min

25.5m³/min

24.0m³/min

160kW

215HP

78dB 2800×1500×1900  2600kg
OTVS1855S

7 bar

8.5bar

10bar

33.8m³/min

31.0m³/min

28.8m³/min

185kW

250HP

78dB 2800×1500×1900  3000kg
OTVS250S

7 bar

8.5bar

10bar

43.0m³/min

41.0m³/min

38.8m³/min

250kW

340HP

79dB 3100×2250×2200  4500kg

Details

Advantages

100% OIL-FREE

MOST RELIABLE

LOWEST MAINTENANCE

ENERGY SAVING >30%

LOWEST NOISE

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