The MULTSEA Electric Portable Screw Compressor is an emission-free, low-noise air solution tailored for urban construction, indoor projects, and emission-restricted areas.
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It features an IP54-protected IE3 motor (F-class insulation), two-stage compression technology, and an efficient air cooling system. The flagship AT75A model delivers 12.5 m³/min free air delivery, 0.8 MPa pressure, and oil content ≤3-5 ppm—far below industry averages. With a compact design (2700×1700×1900 mm, 1500kg) and SUV-grade tires, it balances mobility and eco-friendliness, making it ideal for municipal engineering, underground garages, and building renovation.
Downtown road repair and underground pipe laying restrict diesel compressors due to noise (≤85 dB(A) daytime) and emissions. The AT75A solves this with 80-82 dB(A) noise (30% quieter than diesel models) and zero exhaust. It connects to 380V industrial power, powering jackhammers to remove damaged asphalt without disturbing residents/businesses. The 12.5 m³/min air delivery ensures fast road repair—reducing closure time by 20%.
Underground garages have poor ventilation, making diesel compressors unsafe (exhaust accumulation causes carbon monoxide poisoning). The AT75A’s zero-emission design eliminates this risk. Its two-stage compression (0.4 MPa → 0.8 MPa) powers anchoring drills and concrete sprayers, and the IP54 motor resists dust/moisture from concrete work. Its 2700mm length fits standard garage entrances (≥2000mm width), ensuring easy transport.
Building renovation (wall demolition, HVAC installation) has limited space and strict power rules. The AT75A’s star-delta starting method reduces initial current to 1/3 of direct starting, avoiding tripping building circuits. Its ≤3-5 ppm oil content ensures no oil stains on walls/furniture, and the compact design fits elevator doors (≤2100mm height), making it easy to move to upper floors.
The IE3 premium motor is 15% more energy-saving than IE2 models, cutting electricity costs. IP54 protection resists dust and splashing water (suitable for 80% humidity), while F-class insulation (155°C resistance) prevents overheating during 12-hour continuous use—motor lifespan reaches 8-10 years.
Two-stage compression reduces energy consumption by 10-12% vs. single-stage. The multi-layer oil-gas separator filters oil to ≤3-5 ppm (industry average: ≥10 ppm), making it safe for painting or electronics assembly. The air cooling system uses aluminum fins for fast heat dissipation, keeping operating temperature ≤46°C.
SUV-grade 16-inch anti-slip tires handle uneven sites (gravel, uneven floors). The intuitive control panel shows pressure, temperature, and maintenance alerts—operable by non-professionals. Built-in safety features (pressure relief valve, overload protection) auto-shut down the machine in emergencies, ensuring operator safety.
It features an IP54-protected IE3 motor (F-class insulation), two-stage compression technology, and an efficient air cooling system. The flagship AT75A model delivers 12.5 m³/min free air delivery, 0.8 MPa pressure, and oil content ≤3-5 ppm—far below industry averages. With a compact design (2700×1700×1900 mm, 1500kg) and SUV-grade tires, it balances mobility and eco-friendliness, making it ideal for municipal engineering, underground garages, and building renovation.
Downtown road repair and underground pipe laying restrict diesel compressors due to noise (≤85 dB(A) daytime) and emissions. The AT75A solves this with 80-82 dB(A) noise (30% quieter than diesel models) and zero exhaust. It connects to 380V industrial power, powering jackhammers to remove damaged asphalt without disturbing residents/businesses. The 12.5 m³/min air delivery ensures fast road repair—reducing closure time by 20%.
Underground garages have poor ventilation, making diesel compressors unsafe (exhaust accumulation causes carbon monoxide poisoning). The AT75A’s zero-emission design eliminates this risk. Its two-stage compression (0.4 MPa → 0.8 MPa) powers anchoring drills and concrete sprayers, and the IP54 motor resists dust/moisture from concrete work. Its 2700mm length fits standard garage entrances (≥2000mm width), ensuring easy transport.
Building renovation (wall demolition, HVAC installation) has limited space and strict power rules. The AT75A’s star-delta starting method reduces initial current to 1/3 of direct starting, avoiding tripping building circuits. Its ≤3-5 ppm oil content ensures no oil stains on walls/furniture, and the compact design fits elevator doors (≤2100mm height), making it easy to move to upper floors.
The IE3 premium motor is 15% more energy-saving than IE2 models, cutting electricity costs. IP54 protection resists dust and splashing water (suitable for 80% humidity), while F-class insulation (155°C resistance) prevents overheating during 12-hour continuous use—motor lifespan reaches 8-10 years.
Two-stage compression reduces energy consumption by 10-12% vs. single-stage. The multi-layer oil-gas separator filters oil to ≤3-5 ppm (industry average: ≥10 ppm), making it safe for painting or electronics assembly. The air cooling system uses aluminum fins for fast heat dissipation, keeping operating temperature ≤46°C.
SUV-grade 16-inch anti-slip tires handle uneven sites (gravel, uneven floors). The intuitive control panel shows pressure, temperature, and maintenance alerts—operable by non-professionals. Built-in safety features (pressure relief valve, overload protection) auto-shut down the machine in emergencies, ensuring operator safety.
Model | AT 75A |
Compression | Normal state |
Gases | Air |
No. of compression stage | Two stage |
Atmospheric pressure | 1.033Kg/cm2A |
Cooling Way | Air Cooling |
Environment temp | ≤46°C |
Relative humidity | 80% |
Discharge pressure | 0.8 Mpa |
Volume Flow | 12.5 m³/min |
Driving Way | Driven shaft coupling |
Power | 55 Kw /IP54 |
Horsepower | 75 HP |
Voltage / ( Frequency) | 380 V1 50 Hz |
Starting Method | Star-△ |
Motor Speed | 1500 rpm/min |
Insulation grade | F |
Outlet Size | G1-1/2 & G1 |
Size | 2700*1700*1900 mm |
Weight | 1500 Kg |
Noise Leve | 80-82+3 dB (A) |
Oil contents | ≤3-5 ppm |
Model | AT 75A |
Compression | Normal state |
Gases | Air |
No. of compression stage | Two stage |
Atmospheric pressure | 1.033Kg/cm2A |
Cooling Way | Air Cooling |
Environment temp | ≤46°C |
Relative humidity | 80% |
Discharge pressure | 0.8 Mpa |
Volume Flow | 12.5 m³/min |
Driving Way | Driven shaft coupling |
Power | 55 Kw /IP54 |
Horsepower | 75 HP |
Voltage / ( Frequency) | 380 V1 50 Hz |
Starting Method | Star-△ |
Motor Speed | 1500 rpm/min |
Insulation grade | F |
Outlet Size | G1-1/2 & G1 |
Size | 2700*1700*1900 mm |
Weight | 1500 Kg |
Noise Leve | 80-82+3 dB (A) |
Oil contents | ≤3-5 ppm |