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700 Series Medium Duty 2 Speed Motor

Brand: Nichols - by Parker

Parker's unique Nichols™ 700 Series two-speed motor utilizes two separate power elements on a common shaft. An integral series/parallel valve shifts between high torque, low speed (parallel) operation and high speed, low torque (series) mode in a ratio of 2:1. 

The use of two power elements eliminates the inefficiencies of traditional, single power element designs. Maximum dynamic side load at key 2000 lb.
Features
  • HIgh efficiency, high flow two-speed motor
  • Intermittent pressure to 3500 psi
  • Torque to 7800 lb-in
  • Dynamic side load up to 2000 lb. at the key
  • Shaft 1.25 inch nominal
  • Two separate power elements on a common shaft for a 2:1 speed ratio
  • An integral series/parallel valve that shifts between high torque, low speed (parallel) operation and high speed, low torque (series) modes
  • Delivers twice the torque and half the speed in the parallel mode
  • Delivers twice the speed and half the torque in series mode
  • A selector valve that can be open or closed center
  • A selector valve that may be actuated by an external pilot or optional solenoid valve.
  • An open center selector valve that can be shifted “on the fly” while the motor shaft is rotating under load
  • A selector valve that is spring loaded to return to its pilot-pressure-off position
  • A normal mode of operation that is field changeable and can be selected as series or parallel
  • Pilot pressure requirement of 300 psi higher than motor case or outlet pressure and may be as high as typical hydraulic system operating pressure
  • Designed and manufactured in Greeneville, TN USA

Specifications

Displacement

  • Motor: 59 - 423 cm³/rev
  • Motor: 3.6 - 25.8 inch³/rev

Maximum Flow Rate

  • Up to 30 gal/min
  • 53 to 114 Intermittent (45 to 114 Continuous) L/min

Maximum Operating Speed

  • Up to 890 RPM

Maximum Output Torque

  • 154 to 843 Intermittent (129 to 751 Continuous) Nm
  • Up to 7463 lb-inch

Maximum Pressure Differential

  • 155 to 210 Intermittent (138 to 170 Continuous) bar
  • Up to 3000 psi

Shaft Diameter

  • 1 inch

  • Manlifts
  • Winches
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