3HP Direct Connect Portable Air Compressor

3HP Direct Connect Portable Air Compressor

The Huada HD0301 is a 1.8 kW (3 HP) single-cylinder direct-connect air-cooled piston air compressor featuring a motor-to-pump direct coupling design that eliminates the traditional belt drive system. With ultra-compact dimensions of just 70×31×58 cm and a featherweight of only 32 kg—paired with a 35 L air receiver and 0.8 MPa working pressure—it stands out as one of the most compact and lightweight machines in its class. It is ideally suited for precision applications such as dental clinic air supply, laboratory instrumentation, small-scale electronics spraying, and model-making airbrushing where space efficiency and quiet operation matter.

1. Direct-Coupled Drive — Ultra-Compact Form Factor: The motor is rigidly coupled directly to the compression pump head, completely eliminating the space occupied by pulleys, belts, and guards—reducing overall volume by roughly 40% compared to same-power belt-drive units. It fits easily under workbenches and inside tight clinic cubicles.

2. Full Copper Winding Motor — Powerful & Reliable: The motor winding uses new national-standard pure copper wire with low resistance and minimal heat buildup, delivering ample starting torque and stable RPM even under frequent start-stop cycles—eliminating the burnout risk common with aluminum-wound motors.

3. Large Aluminum Heat Sink — Rapid Cooling: Equipped with a large-diameter cooling fan paired with high-density aluminum heat-dissipation fins for maximum heat exchange surface area, rapidly shedding body heat to support extended continuous operation without thermal shutdown.

4. Ultra-Lightweight Portable Design: At a mere 32 kg net weight—far lighter than comparable belt-drive units (typically 35 kg+)—and fitted with an ergonomically designed carry handle, a single operator can lift and relocate it effortlessly for true "grab-and-go" convenience.

5. Single-Cylinder Efficient Compression — Responsive Control: The 47 mm single-cylinder direct-compression design offers a short mechanical transmission path with low inertia, enabling rapid pressure-switch response—the unit stops instantly at set pressure and repressurizes quickly when air is drawn, saving energy while extending component life.

1、Company Advantage

Quanzhou Huade Electric Machinery & Equipment Co., Ltd Fujian PRC (formerly Quanzhou city of Fujian province Huada Machinery Co.,Ltd) is located in West Coast city of Quanzhou.Our company is one of the Air Compressor professional manufacturers with the largest domestic and the equipment is the most advanced currently.And our company is an innovative and high-technology enterprise.We specialized  in developing,designing,and producing series of piston and screw air compressors.Our company have obtained the certification ISO9001:2000,Chinese Universal machinery certification,and the quality  testing of CCC certification,CE certification,CQC certification,and ETL certification.In 2002,we have cooperated with the air end manufacturer in Germany that are GHH-RAND and ROTORCOMP and AERZEN and COMER to improve production technique.And the production update,quality and global sale is our company market strategy all the time.

2、Workshop & Equipment

We have advanced air compressor production equipment and perfect production line.We practice strict quality control procedures throughout the entire production process from procuring of raw materials,processing of components,assembly of machine,to testing machines' performance.

3、Qualification Certificate

We have passed ISO 9001:2015、ISO 14001:2015、IATF16949:2016 certifications.Most of products have passed CE、RoHS、TUV、3C、CNAS、CQC certifications through authoritative institutions.

4、Global Parter

Our air compressors radiate to the whole world, export to more than 100 countries and regions, and maintain long-term stable cooperative relations.Annual traning is offered to global agents and after-sales engineers,for mastering new product,new technology,new material,new crafts in order to offer most advancing high quality product service.