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2~5 bar Oil-free Screw Air Compressor

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Made in: N/A

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Air Pressure: 2~5 [bar], 29~72.5[psi], 0.2~0.5[Mpa]

Air Capacity: 2.4~52 [m³/min], 40~867[l/s], 85~1836[cfm]

Working Power: 11~160 [kW], 15~215[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

Low-pressure 2~5 bar Screw Air Compressor(VSD/PM VSD)

Model Pressure Capacity Power Noise Dimension(mm) Weight
OTVS11FD 3 bar 3.0m³/min 11 kW 58 dB 1400×820×1500 620kg
OTVS15FD 3 bar 4.3m³/min 15 kW 60 dB 1690×1000×1600 650kg
OTVS22FD 3 bar 6.1m³/min 22 kW 61 dB 1950×1150×1670 1010kg
OTVS37F(S)D 3 bar 10.0m³/min 37 kW 65 dB 2350×1250×1750 1200kg
OTVS45F(S)D 3 bar 13.5m³/min 45 kW 70 dB 2350×1250×1750 1500kg
OTVS55F(S)D 3 bar 17.5m³/min 55 kW 71 dB 2700×1450×2000 2200kg
OTVS75F(S)D 3 bar 23.0m³/min 75 kW 75 dB 2700×1450×2000 2450kg
OTVS90F(S)D 3 bar 27.0m³/min 90 kW 77 dB 3600×1900×2000  2600kg
OTVS110F(S)D 3 bar 33.8m³/min 110kW 78 dB 3700×2000×2250  3000kg
OTVS132F(S)D 3 bar 45.0m³/min 132kW 78 dB 4000×2000×2400  4500kg
OTVS160F(S)D 3 bar 52.0m³/min 160kW 79 dB 4100×2050×2300  5000kg
OTVS11FD 4 bar 2.4m³/min 11 kW 58 dB 1400×820×1500 620kg
OTVS15FD 4 bar 3.7m³/min 15 kW 60 dB 1690×1000×1600 650kg
OTVS22FD 4 bar 5.0m³/min 22 kW 61 dB 1950×1150×1670 1010kg
OTVS37F(S)D 4 bar 8.5m³/min 37 kW 65 dB 2350×1250×1750 1200kg
OTVS45F(S)D 4 bar 10.0m³/min 45 kW 70 dB 2350×1250×1750 1500kg
OTVS55F(S)D 4 bar 13.5m³/min 55 kW 71 dB 2700×1450×2000 2200kg
OTVS75F(S)D 4 bar 20.0m³/min 75 kW 75 dB 2700×1450×2000 2450kg
OTVS90F(S)D 4 bar 24.0m³/min 90 kW 77 dB 3600×1900×2000  2600kg
OTVS110F(S)D 4 bar 28.0m³/min 110kW 78 dB 3700×2000×2250  3000kg
OTVS132F(S)D 4 bar 35.0m³/min 132kW 78 dB 4000×2000×2400  4500kg
OTVS160F(S)D 4 bar 43.0m³/min 160kW 79 dB 4100×2050×2300  5000kg

Details

Air end

Air end

Since 1988

Material: Stainless steel, copper alloy, polymers

Motor

Motor

Direct Drive

Insulation Class: F Protection Level: IP55 Bearing: SKF

Separator

Separator

Clean and Safe air

Material: Medical Stainless steel

Cooler

Cooler

High Efficiency

Material: Copper Best Quality and Structure

Inverter & Electric

Inverter & Electric

Inverter/PLC: Inovance

Thermal relay/ A.C. Contractor: Siemens

Control Pannel

Control Pannel

Brand: Inovance

Display all operation parameters and alarm system

Water Softener

Water Softener

Brand: Pentair

Offer pure lubricating water and extend the service life of air end

Control Valve

Control Valve

Brand: SMC

Imported famous brand component to ensure the stability

Advantages

100% OIL-FREE

– More than 20 years experiences in Water-lubricated Oil-free technology

– Germany Rhineland TUV Class 0 Oil-free Certification

MOST RELIABLE

– More than 30 years experiences in Single Screw Technology

– Most balance and reliable structure

– Low temperature(< 55℃) reduces the stress on components

LOWEST MAINTENANCE

– Use Water as lubricating medium instead of oil

– Without Oil Air Separation Unit

– Consumable parts are only air and water filter elements

ENERGY SAVING >30%

– Ideal Speed (3000r/min)

– Ideal isothermal compression and no heat waste (<55℃)

– Most Advanced VSD and Two-stage compression technology

LOWEST NOISE

– Super dynamic balanced system and low vibration

– The motor and screw are directly connected without any gear

– Sound absorbing materials are also used in the shell

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