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  • LTR Series – Hydraulic Rotary Actuators

LTR Series – Hydraulic Rotary Actuators

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The LTR series rotary actuator is ideal for low pressure hydraulic applications. The LTR Series actuator combines an alloy steel gear set with a high strength aluminium housing and Parker 3L or 2A Series cylinder components into an actuator suitable for years of trouble free service. The actuator maximizes volumetric efficiency by using self-energizing PolyPak seals. Mechanical efficiency is maximized by using antifriction bearings and Wear-pak® piston technology.

  • Output torques @ 1000 psi (69 bar): 395 lb.-in to 22,813 lb-in.
  • Nominal pressure: 1000 psig (69 bar) (3L cylinder pressure ratings apply)
  • Operating temperature range: Nitrile seals: -40 to 180° F or -40 to 82°C. Fluorocarbon seals: -20 to 250°F or -29 to 121°C
  • Standard rotations: 90°, 180°, 270°, 360°, 450°
  • Rotational tolerance: -0°, +2°
  • Maximum breakaway pressure: 30 psig or 2 bar
  • Mounting orientation: unrestricted
  • Standard timing: Keyway in 12:00 position at mid-stroke
  • Recommended filtration: ISO class 17/14 or better
  • Hydraulic cushions to minimize noise, vibration shock and assist deceleration control
  • Reed, Hall Effect or proximity switches for position sensing
  • End-of-rotation stroke adjusters for load position control and accurate rotation adjustment
  • Built-in meter out flow control valves with reverse flow check valves provide a neat package
  • Three position option can be used with many special machine and material handling applications

 

Rack and pinion design provides excellent efficiency characteristics (90-95%) and minimizes Hydraulic Power Unit Size
Minimal heat build-up, limits the need for heat exchangers
Large hollow gears offer more shaft options
LTR series are designed for low wear on dynamic seals and longer life
Excellent in high speed production applications

Product Specification

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Model Number Single rack Model Number Double rack Theoretical Output Torque @ 100PSI (7bar) Theoretical Output Torque @ 250PSI (17bar) Theoretical Output Torque @ 500PSI (34bar) Theoretical Output Torque @ 750PSI (52bar) Theoretical Output Torque @ 1000PSI (69bar) Theoretical Output Torque @ 1500PSI (103bar)
101  39  98  197  295  395  592
102  79  197  395  592  –  –
151  118  294  590  885  1180  1770
152  236  590  1180  1770  2360  3530
201  282  705  1410  2115  2830  4240
251  430  1074  2148  3222  4295  6443
202  565  1410  2820  4230  5650  8470
252  859  2148  4295  6442  8590  12885
321  1141  2852  5703  8554  11407   –
322  2281  5703  11407  17110  22813  –

LTR-Series_HY03-1800-2.pdf

Additional Information

Hydraulic Motors

Orbital Motor

Manufacturer

Parker

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