Hydraulic Clarifier and Thickener Drives

Hi-Tech specializes in the design and manufacture of numerous water and wastewater equipment items for both municipalities and industry. Our intensive focus on quality products and unique manufacturing flexibilities allow us to offer the most comprehensive and diversified line of clarifier drive units offered in the industry.

Hydraulic Powered Bridge Supported Drive Units (Type-H)
Technically advanced hydraulic powered Type H drives are available in a wide range of operating torques and output speeds. Power is introduced through a standard "C-Face" mounted motor connected to a low speed, high torque hydraulic power system with integral valves, pump, hydraulic motor, filter and appurtenances fully enclosed in a 304 Stainless Steel housing / oil reservoir.

All Hi-Tech clarifier and thickener drives are designed in accordance with the latest AGMA and / or ISO standards to ensure the absolute highest quality. Assembly and inspection of every unit is performed at Hi-Tech's facility prior to shipment.

Overload Protection
Precise torque monitoring is a major advantage of the Hi-Tech Type H drive system. The overload system includes alarm and motor cut-off switches that are activated by an increase in operating pressure in the hydraulic system that is directly proportionate to the torque load on the rotating mechanism. Each unit includes a maximum torque pressure relief valve which takes the place of the less accurate mechanical shear pins and allows the unit to gradually stall without damage to the rotating mechanism. Torque is monitored with a liquid filled gauge that reads in actual operating torque (Ft-lbs) or (N-m).


  • Gauge Readings in Actual (Ft-lbs) or (N-m)
304 Stainless Steel Housings

  • External Oil Filter with Replacement Gauge

  • Accurate Glycerin Filled Torque Gauge

  • Max Torque Pressure Relief Valve
Directional Valve

  • 4-20mA Output for Remote Monitoring

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