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Specialists in manufacture of pneumatic, hydraulic cylinders and automations.

INPRONE was born in 1974 in response to the great demand in the machine tool industry and industrial production lines. Its founder, Alfonso Goy, creates a family business under the brand name INPRONE (INdustria de PROductos NEumáticos) for the manufacture of pneumatic, hydraulic cylinders and automations.

Over more than 40 years of existence, INPRONE has undergone many changes and expansions, growing from a small workshop to become the leading manufacturer of pneumatic and hydraulic cylinders to measure of the sector.

Manufacture and repair of hydraulic cylinders for public works machinery.


At present, in addition to designing and manufacturing cylinders (pressure multipliers, liquid dispensers, impact cylinders) and components, INPRONE offers a complete service of repair and manufacture of hydraulic bottles for machinery of Construction and public works.



Commitment to Quality

INPRONE applies the continuous improvement systems to offer the maximum guarantee in its products and in its customer service. This concern to improve, innovate and be up to date has led us to work for machine tools, public works, ITV, Sugar, canning, laboratories… and all fields where necessary pneumatic or hydraulic movement

5s ' s method (Tekniker)

Quality certificates

Certificates in

Design and manufacture of:

  • Pneumatic cylinders.
  • Hydraulic cylinders.
  • Pressure multipliers (pneumatic and hydraulic)
  • hydropneumatic controls or brakes
  • Impact cylinders
  • Liquid dispensers (fats and pastes)
  • Oil pneumatic units
  • Telescopic Cylinders
  • Air/Oil Converters
  • Air tanks
  • Special cylinders (Pneumatic and hydraulic)