SAI GM Hydraulic Motor

GN series hydraulic motor is a new type of product of our company, which based on years practical

experience and designed and improved the original products on the basis of Italian technologies.

GN  hydraulic motor mainly has the following characteristics:

(1)  As the piston and the tilt cylinder have no side force ,the piston bottom is designed to be static

       pressure balance. The torsional force is transferring between the piston and the crankshaft through

       rolling bearing, so the friction loss during the transferring process of force is reduced. Therefore,

       GN  series hydraulic motor has such features as: very high mechanical efficiency and comparatively

       high startup torque (mechanical efficiency of over 0.92 during startup).

(2)  The plane distributor (patented technology) is simple and reliable with perfect seal performance

       and almost no leakage. The plastic piston ring is used to seal between the piston and the tilt cylinder,

       so it  has very high volumetric efficiency(can be as high as 0.98).

(3)  As the structure of this product has reduced friction loss and enhanced the seal performance, the

       product  has perfect stability at low speed. It can stably run at 1r/min working condition and has

       big speed regulation range.

(4)  As the piston is jointed closely with bearing bushing without any clearance, this series of hydraulic

       motor can run at pump working condition.

(5)  This series of hydraulic motor has high pressure, light weight, small bulk and high specific power.

(6)  As this series hydraulic motor has simple structure, reasonable design and adopts bearing with big

       load ability,it can work reliably and has long life and low noise;the transmission shaft allows endure

       radial load and the rotational direction is reversible.

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