Open Circuit: HMR-02 piston motors may include a secondary (cross-flow relief) valve or a counterbalance (brake) valve for pressure control and safety.
Closed circuit: can be controlled by electrical signals to dynamically adjust the pressure.
HMR 55,HMR 75,HMR 105,HMR 135,HMR 165,HMR 210
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HMR-02 55/75/105/135/165/210, Peak Pressure: 500 bar, Variable Displacement Motors (55–210 cc) for Open and Closed Circuit Applications
HMR Hydraulic Motors Self-regulating hydraulic motors are designed for open and closed circuit systems. They are able to handle high pressure environments and automatically adjust displacement based on system pressure conditions. When system pressure is low (below the regulation start point), the motor will switch to minimum displacement (Vmin) to reduce flow. When system pressure increases and reaches the preset regulation threshold, the motor will smoothly increase displacement to provide the torque required by the load.
Available Motor Types:
HMR with Vmax Override: This version includes a Vmax override feature that allows the motor to run at full displacement regardless of control pressure—essentially enabling fixed displacement operation when needed.
Main features:
HMR hydraulic motor with optimized design, stable performance at low speed
High starting torque even under load
Wide displacement range, flexible operation
Linde HMR motor with optional PTO through-drive for versatile configuration
Compact, space-saving design
HMR piston pump high power-to-size ratio
Rugged construction ensures long service life
Fast and sensitive dynamic performance
Puka Hydraulics (Shenzhen) Co., Ltd. is a leading hydraulic service company. Specializing in the research and development, manufacturing, maintenance and sales of hydraulic products such as pumps, motors, valves and related parts.
Over the past two decades, POOCCA Hydraulics has thrived, winning the trust of domestic and foreign manufacturers and establishing strong corporate partnerships. The annual export volume exceeds US$16 million, and its products are sold to more than 100 countries. We have lasting relationships with local dealers in over 75 countries, including the United States, Indonesia, Mexico, Thailand, Russia and Brazil.
HMR-02 55/75/105/135/165/210, Peak Pressure: 500 bar, Variable Displacement Motors (55–210 cc) for Open and Closed Circuit Applications
HMR Hydraulic Motors Self-regulating hydraulic motors are designed for open and closed circuit systems. They are able to handle high pressure environments and automatically adjust displacement based on system pressure conditions. When system pressure is low (below the regulation start point), the motor will switch to minimum displacement (Vmin) to reduce flow. When system pressure increases and reaches the preset regulation threshold, the motor will smoothly increase displacement to provide the torque required by the load.
Available Motor Types:
HMR with Vmax Override: This version includes a Vmax override feature that allows the motor to run at full displacement regardless of control pressure—essentially enabling fixed displacement operation when needed.
Main features:
HMR hydraulic motor with optimized design, stable performance at low speed
High starting torque even under load
Wide displacement range, flexible operation
Linde HMR motor with optional PTO through-drive for versatile configuration
Compact, space-saving design
HMR piston pump high power-to-size ratio
Rugged construction ensures long service life
Fast and sensitive dynamic performance
Puka Hydraulics (Shenzhen) Co., Ltd. is a leading hydraulic service company. Specializing in the research and development, manufacturing, maintenance and sales of hydraulic products such as pumps, motors, valves and related parts.
Over the past two decades, POOCCA Hydraulics has thrived, winning the trust of domestic and foreign manufacturers and establishing strong corporate partnerships. The annual export volume exceeds US$16 million, and its products are sold to more than 100 countries. We have lasting relationships with local dealers in over 75 countries, including the United States, Indonesia, Mexico, Thailand, Russia and Brazil.
POOCCA Hydraulics is a powerful hydraulic enterprise integrating R&D, manufacturing, sales and maintenance. Its products are exported to more than 120 countries. Its quality, price and service are deeply recognized and trusted by customers.
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