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A corrosion resistant non-magnetic, hydraulic gear motor
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Hydraulic Gear Motor - Model GMN44741 Non-Magnetic
Designed to meet the requirements of marine environments.  
HMM Direct Drive Actuator

The Nu-Torque Model GMN44741 corrosion-resistant hydraulic motor is specifically designed for the marine environment. Constructed of cast nickel aluminum bronze (NAB) housings, stainless steel gears, shafts and hardware suited for areas where corrosion resistance is required. This same selection of materials also creates a motor which may be used where non-magnetic properties are required.

The motor is designed to meet all of the performance and connection requirements of MIL-P-18111A for manually operated hydraulic systems such as valve actuators and water tight doors.

The motor is constructed with metal to metal mating surfaces with o-ring seals between the motor body and the front and back castings. The shaft is sealed with a corrosion resistant mechanical shaft seal. Inlet and Outlet ports are SAE-16 (1 inch) straight thread o-ring port configuration.

The motor is bi-directional simply by applying pressure to the desired port. The motor may be used in any position as hydraulic fluid provides full lubrication.

Actuator Specifications
Quarter-Turn
Model No. GMN44741
 Type Motor, Hydraulic Gear
 Ports 1", SAE-16 O-Ring
 Operating Pressure 350-750 PSI
 Maximum Pressure 900 PSI
 Test Pressure 1000 PSI
 Output Flow 5.5 Cubic Inches/Revolution
 Output Torque 30 Ft Lbs @ 350 PSI
 Weight 35 Lbs
 Material Bronze/Stainless Steel
 Magnetic Permeability Less than 2.0
The data and specifications in this bulletin are for information purposes only. Consult your Nu-Torque representative for specific data.

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