Rotodiff® Hydraulic Back-Drive
The Most Efficient in the Decanter Centrifuge Industry
Our Viscotherm ROTODIFF® hydraulic scroll drive is powerful and precise, achieving the highest torque-to-weight ratio with the best process control. By using hydraulics we eliminate the gearbox, and as a result simplify the design, radically reducing the number of moving parts and wear components. The
Misconception: Hydraulic drives are not efficient.
Fact: With Rotodiff technology our hydraulic system is the most capable in the industry. Fewer (slow-moving) parts create less friction, and energy loss is minimized. Precise control of the scroll at any speed increases centrifuge capabilities and efficiency, even when loading conditions fluctuate. Hydraulics do not put a drag or load on the main motor and use only the power needed to turn the scroll.
Misconception: A hydraulic system is not effective in messy, dirty or hazardous environments.
Fact: Hydraulic technology is commonly used in rugged environments with high levels of shock, vibration, dust, water, corrosive chemicals
Misconception: Hydraulic systems are noisy.
Fact: Our hydraulic scroll drive is quieter than a gearbox. It has been shown to reduce ambient noise by 15 dB over the older electric scroll drives.
Misconception: Hydraulic systems are messy and leak.
Fact: Because fluids are enclosed in a contained system, there is virtually no leakage in modern hydraulics. Advanced sealing techniques and materials and state-of-the-art electronics are so efficient that today’s manufacturers can raise the operating pressures of their pumps. It is not unusual to find hydraulic systems operating without leakage at pressures 2,000-3,000 psi higher than just a few years ago.
Misconception: A hydraulic drive is difficult to repair, requiring specialized technicians with hydraulic experience.
Fact: With fewer slow-moving parts and
Misconception: Hydraulic systems are more maintenance-intense than a typical gearbox.
Fact: On average, hydraulics need only simple oil and filter preventive maintenance, just like a car.
Misconception: Parts for the hydraulic drive are difficult to source.
Fact: Centrisys has distribution centers across the United States and around the world for all hydraulic components. In fact, many parts can be shipped express overnight delivery.
Misconception: Hydraulic technology is old and abandoned by other centrifuge manufacturers.
Fact: Hydraulic technology remains a dominant system in modern industrial manufacturing. No other system is as efficient and effective in transferring energy through small tubes or hoses and other hard-to-reach parts. Hydraulic innovation is progressing at an astonishing rate – so quickly that some experts cite more progress in the last ten years than in the 50 preceding years combined. Competitive centrifuge suppliers have not abandoned a hydraulic scroll