Description

Hertz Kompressoren HDD 37 – 50 HP Direct-Drive Rotary Screw Air Compressor

Industrial Power Meets Intelligent Efficiency.

The Hertz Kompressoren HDD 37 – 50 HP rotary screw air compressor is engineered for continuous-duty industrial applications that demand reliability, performance, and low operating costs. Featuring a direct-drive, oil-injected design with precision-balanced rotors, this powerhouse provides consistent air delivery, quiet operation, and years of dependable service.

High-Efficiency Performance

Delivering up to 238 CFM @ 100 PSI, the HDD 37 Series provides smooth, efficient air output for manufacturing, fabrication, and production facilities. The direct-coupled IE4-rated IP55 motor eliminates belt slippage, maximizing energy efficiency and reducing long-term maintenance.

Cooling & Durability You Can Count On

The independent radiator segments and low-speed radial fan ensure optimal cooling even in demanding environments—performing in ambient temperatures up to 113°F. The durable screw block features next-generation rotor profiles and heavy-duty bearings for reduced torque requirements, lower vibration, and superior longevity.

Smart Control System

Equipped with a built-in controller and LCD interface, the HDD 37 automatically manages load/unload cycles, monitors maintenance intervals, and logs operating history. The controller supports Master/Slave synchronization for up to two compressors and offers ModBus connectivity for seamless integration into your facility’s control systems.

Ease of Maintenance

Removable hinged panels and a quick-access oil tank cover simplify service and reduce downtime. A special quick-disconnect coupling design allows motor or drive maintenance in under 30 minutes—keeping you running when uptime matters most.

Key Specifications

• Horsepower: 50 HP (37 kW)

• CFM: 238 @ 100 PSI | 229 @ 125 PSI | 203 @ 150 PSI | 178 @ 175 PSI

• Pressure Range: 100 – 175 PSI

• Voltage: 460 V / 3 Phase (Stocked) — Convertible to 230 V / 3 Phase

• Cooling: Independent Radiator + Radial Fan

• Drive System: Direct-Coupled

• Motor Efficiency: IE4 / F-Class Insulated

• Controller: Smart LCD with ModBus + Scheduler

• Dimensions: 78" L × 44" W × 64" H

• Weight: ≈ 2,535 lbs

Why Buy from Compressed Air Advisors Online

When you purchase a Hertz Rotary Screw Air Compressor from Compressed Air Advisors Online, you get more than just equipment—you get a partner. Every unit includes a Free Factory-Authorized Start-Up and Warranty Validation, ensuring expert installation and peak performance right from day one.

Compressed Air Advisors Online – America’s choice for compressed air solutions.
We provide expert advice, premium products, and nationwide support to keep your air system performing flawlessly.

Hertz HDD Sales Brochure