UB55/160 UB-Series Single Stage Air Compressor, 5.5 Hp, 920 rpm

Armstrong-Vitech UB55/160 is a compact, heavy-duty single-stage piston air compressor from the UB-Series, designed for reliable performance in workshops, automotive repair, and light industrial environments. Featuring heavy cast iron cylinders, separately cast cylinder heads with individual cooling fins, oversized roller bearings, and a balanced crankshaft, it ensures low-speed operation for extended durability and minimal maintenance. It's suitable for continuous duty with efficient compressed air delivery.

Key Performance Specifications

• Motor Power: 5.5 HP (4 kW)
• Speed: 920 RPM
• Free Air Delivery: 25.5 CFM (720 L/min) at 8 Bar (116 PSI)
• Maximum Working Pressure: 8 Bar (116 PSI)
• Receiver Tank Capacity: 160 L (horizontal)
• Starter Type: Direct On Line
• Control System: Auto Start/Stop
• Power Supply: 415V / 3ph / 50Hz

Physical and Environmental Specifications

• Configuration: Horizontal tank-mounted
• Dimensions (L × W × H): 1600 × 570 × 1020 mm
• Weight: 178 kg (net; shipping ~200 kg)
• Operating Temperature: Suitable for all-weather, continuous duty

Key Features

• Construction: Heavy cast iron cylinders; separately cast heads with deep cooling fins for better heat dissipation
• Bearings and Crankshaft: Oversized roller bearings and balanced crankshaft for smooth, low-vibration operation
• Cylinder Type: 3W configuration for efficiency
• Lubrication: Oil-lubricated for long service life
• Installation: Fully assembled and ready for easy setup
• Cooling: Efficient fan-type system
• Applications: Automotive repair, general manufacturing, pneumatic tools, and light-duty tasks
• Standards Compliance: Designed for industrial reliability; RoHS compliant components