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VariFlow Gen4 High-Pressure Coolant System
Product Info
Next Generation Coolant System
VariFlow Gen4 is Hennig's advanced high-pressure coolant system, designed to redefine efficiency and performance in machining operations. Engineered with Adaptive Flow Control, it dynamically adjusts coolant flow to deliver precise pressure settings while minimizing energy consumption, reducing coolant foaming, and decreasing heat generation. Its compact, economical design integrates seamlessly into your workflow, offering premium performance comparable to competitors' high-end models.
The VariFlow Gen4 is equipped with user-friendly features, including an HMI for pressure settings and IoT connectivity for monitoring system performance. It also includes a 25-gallon reservoir with a built-in 10-micron filter, ensuring clean, uninterrupted coolant flow. Caster wheels add mobility, allowing easy relocation between machines, while the direct-drive pump ensures smooth, quiet operation without belts or external pumps. VariFlow Gen4 delivers unmatched productivity and reliability, making it an essential addition to modern machining environments.
Country of Origin: USA
Tech Specs
| Specification | Details |
|---|---|
| Pressure Options | 250 PSI (17.2 bar), 500 PSI (34.4 bar), 750 PSI (51.7 bar), 1,000 PSI (69 bar) |
| Flow Rate | Up to 8 GPM (3.8 L/min) |
| Reservoir Capacity | 25 Gallons |
| Filter | 10-micron bag filter |
| Drive System | Direct drive pump with VFD-driven motor |
| Control Features | HMI for pressure settings, filter life monitoring, RS-232 port integration |
| Connectivity | IoT Enabled |
| Status Light Indicators | Green: On, Blue: Idle, Red: Warning |
| Dimensions | 25.5" (L) x 26.5" (W) x 37.5" (H) |
| Warranty | 2 Years |
| Mobility | Caster wheels for easy relocation |

High-Pressure Coolant, Done Right
VariFlow automatically adjusts coolant pressure to match the cut as it runs. The result is smoother machining, cleaner chip evacuation, and consistent performance during long cycles and unattended operation.

Filter & Reservoir
- Easy to Access
- Built-in 10-micron Filter

Control Interface
- Set Pressure and View Filter Life
- Easy to Read Status Light

Transfer Pump
- No External Pump or Wiring

Direct Drive Pump
- No Belts
- VFD Driven Motor
- Smooth, Quiet Operation
Why Choose Hennig?
Built for Real Shop Environments
HENNIG designs equipment for production floors, not lab conditions. Their systems are built to run in coolant, chips, vibration, and long shifts without compromising reliability.
Proven Across CNC Applications
From chip conveyors to pallet automation, HENNIG solutions are trusted by CNC shops worldwide to support milling, turning, and multi-axis production environments.
Practical Engineering Over Complexity
HENNIG focuses on functional, serviceable designs that solve real shop problems without introducing unnecessary complexity or fragile automation layers.
Seamless Machine Integration
HENNIG systems are engineered to integrate cleanly with a wide range of CNC machines and controls, supporting both new installations and retrofit applications.
Built in the USA, Supported Long-Term
With U.S.-based manufacturing and support, HENNIG provides long-term parts availability, service continuity, and systems that remain viable throughout the life of the machine.

















