Hydraulic Actuators and Manifolds

Multi-turn MIL-P-18111P Valve Actuator mounted on 3 inch 1189 gate valve
Multi-turn MIL-P-18111P Valve Actuator
mounted on 3 inch 1189 gate valve
Hydraulic motor driven actuator
 
Manual hydraulic pump panel manufactured to MIL-P-18111P
Description
 
This series of Unitork Hydraulic Actuators is manufactured by Tri-Tec Company to fill the need for MIL-P-18111P activated valves. They have been used extensively on the MHC-51 mine hunter program, the DDG and aircraft carriers. They have been mounted on MIL-V-1189 gate valves throughout the U.S. Navy. They are operated manually by the de-clutchable handwheel.
 
Features
  • Hydraulic motor driven multi-turn actuator
  • Silicone bronze housing
  • Integral water-tight limit switch compartment
  • Choice of 3 limit swich options
  • Choice of 2 limit switch drive ratios
  • Manganese bronze drive nuts
Options
  • 4 each 250 volt limit switch train
  • 6 each 250 volt limit switch train
  • 4 each 480 volt limit switch train
  • Standard 8 bolt mounting
  • Adapts from 2-1/2 through 12 inch 1189
Unitork Hydraulic Valve Actuators are designed to incorporate all the essential features to provide remote operation of valves, for both multi-turn and quarter turn applications. Actuators conform to the appropriate MIL Spec. and the quality control procedures 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 Model QT
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 or 6 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)
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.
 
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, 4 or 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.



Hydraulic Control Panel diagram
 To learn more about Unitork Hydraulic Valve Actuators, please contact us or request a quote today! 
Hydraulic Actuator Motor Manifold
Hydraulic Actuator Motor Manifold