In what scenario is a hydraulic piston motor preferable to an electric motor?

A hydraulic piston motor is preferable in scenarios where avoiding fire hazards is critical, primarily due to the inherent characteristics of hydraulic systems. Hydraulic motors operate using fluid, which does not create sparks or open flames during operation. This can be particularly advantageous in environments where flammable materials or conditions are present, reducing the risk of ignition compared to electric motors, which can generate heat and potentially spark under certain conditions.

Additionally, hydraulic systems can be designed to operate in extreme temperatures and harsh environments where electrical components might fail or pose a risk. Thus, the choice of a hydraulic piston motor in such scenarios aligns well with the safety requirements of the application, making it the ideal solution for fire-sensitive conditions.