Staffa HMB radial piston motor 1. Single and low speed, high torque ... Staffa HMB of HMB080.HMB125,HMB200,HMB270,HMB325,HMB400 hydraulic radial piston motor1. Single and low speed, high torque hydraulic ... Less leakage and higher volumetric efficiency due to the special seal rings7. Longer overall service life due to the special ... of HMB080.HMB125,HMB200,HMB270,HMB325,HMB400 hydraulic radial piston motor