piston hydraulic pump / hydraulically-operated

The 31070 Pump Series is a hydraulically driven pump designed with a durable structure. Its body is made of light alloy casts or steel sheet, and its piston is made of lapped steel. It has a temperature range of +5 to +50°C and a relative humidity of 90% while on operation. This series has an average sound pressure level of 70 dB and a preservation temperature between -20 and +50°C. The pump unit has a cylinder that operates the piston with an oil-resistant seal. The product must be supplied with a three-way mechanical or electrical device that is line-cylinder discharge.