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Unitork Hydraulic Valve Actuator ... continued

Unitork Hydraulic Valve Actuators are designed to incorporate all the essential features to provide remote operation of valves, both multi-turn and quarter turn applications. Actuators conform to the appropriate MIL Spec. and the quality control procedure are in accordance with MIL-I-45208. Model MT Actuators are for multi-turn valves (Gate, Globe, etc.) and Model QT Actuators are for 90 degree turn valves (Butterfly, Ball, etc.)

Model MT

The actuator consists of a hydraulic motor in accordance with MIL-P-18111A, worm and worm wheel drive gear, machine drive bushing with thrust bearings, a manual handwheel for local operation, 4 independently adjustable limit switches, local valve position indicator, and stem protection tube.

Features

  • Bronze Housing
  • Submersible enclosure
  • CRS Hardware
  • Shock & Vibration Qualified
  • MIL-S-901D Grade A, Class 1, Type B
  • MIL-STD-167-1, Type 1
Specifications
  • Torque -- 2000 in/lbs
  • Speed -- 24 RPM
  • Supply Pressure -- 750 ils/sq. in.
  • Standard 8 bolt mounting
  • Supply Flow -- 1.1 GPM (2 cu.in./rev)


Model QT

The actuator consists of a hydraulic motor in accordance with MIL-P-18111A, a self-locking worm and worm wheel drive gear, a manual handwheel for local operation, 6 independently adjustable limit switches and adjustable end stops the prevent over travel.

Features

  • Bronze Housing
  • Submersible enclosure
  • CRS Hardware
  • Shock & Vibration Qualified
  • MIL-S-901D Grade A, Class 1, Type B
  • MIL-STD-167-1, Type 1
Specifications
  • Torque -- 15,000 in/lbs
  • Speed -- 20 to 40 secs.
  • Supply Pressure -- 750 ils/sq. in.
  • Standard 8 bolt mounting
  • Supply Flow -- 1.1 GPM (2 cu.in./rev)


Hydraulic Control Panel diagram Hydraulic Control Panel

Tri-Tec Company manufactures control panels to operate the Model MT and QT Unitork Valve Actuators. The panel consists of an assembly including the hydraulic reservoir with sight gauge, fill connection and drain valve, shutoff valves with the 4 way diverter, and a pressure gauge. The panels can be configured to operate one of 2 valves from a single pump and reservoir. Panels are fully qualified to MIL-S-901C and vibration to MIL-STD-167.