YMR SERIES

The YMR series motor uses the spool valve shaft distribution design for simplicity, efficiency and compactness. This design integrates the distribution and hydraulic bearing design with the motor shaft.

This series uses the more advanced “ROLLER” gear type. It is manufactured with the most advanced technology and equipment to improve effiency, smoothness, lower leakage and better overall performance.

These motors are very compact, economical, and powerful without the need of a reducer to deliver high torque.

The large number of shaft, flange, port and special options make this a very flexible motor useful for many applications.

Distribution Type: Spool Valve Distribution
Model: YMR
Displacement: [in/rev] [3.05~22.88]        cm/rev 50~375
Max Operating Pressure: PSI = 2900   MPa = 20
Speed Range: RPM = 30~970
Max. Output Power: [HP] [20]    Kw = 15

Shaft Seals: Standard high pressure shaft seals permit applications in series or without
drain line when required
Low Speed Valving: These motors are manufactured following strict procedures to reduce tolerances between all components to permit lower speed, higher efficiency and smoother rotation at very low speeds. These motors are not for high speed or low pressure applications.
Free Wheeling: These motors are created for applications where free wheeling is required
or could be beneficial to the best results of the application and life of the motors and other components.
Special Motors: These motors have special options like nickel plated shafts or housings for
corrosive environments and applications.

APPLICATION GUIDELINES:
For optimum results the following working conditions are recommended:
* Oil temperature should be between 20o - 60o C [68o - 180o F] * Oil filter of 10 - 20 micron
* Oil viscosity 42 - 74 mm2 at 40o C
* Different shafts are used when there is a radial load or not. Check data pages
* For longer life we suggest the motor at start up, run for a shorter period of time (one hour) at
no more than 30% of rated speed and pressure.

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