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Nitrogen Gas Die Springs

STEINEL self-contained nitrogen gas springs for bending, punching and other tools used in high pressure applications are some of the most dependable, durable and efficient ones found anywhere in the world.

Unlike ISO die springs that can fracture easily with use over time, STEINEL nitrogen gas cylinders absorb approximately five million strokes of lateral forces within small spaces without breaking. STEINEL designs and manufactures its products at its German facility. With all of its research and development processes in one location under one roof, STEINEL is better able to focus on quality, reliability, durability and safety.

Nitrogen Gas Springs SZ 7080.2

Nitrogen Gas Springs SZ 7080.2 extra heavy load



STEINEL nitrogen cylinders SZ 7080.2. can be filled with standard nitrogen. Nitrogen N2 is a neutral, non-hazardous gas.

Special features:

  • Each nitrogen cylinder forms a functional, closed unit (autonomous nitrogen cylinder)
  • Maximum force in the smallest of spaces
  • Easy to assemble
  • No spring breakage
  • Recommended stroke reserve of 10%
  • No mechanical preload is necessary
  • Easy to use


Nitrogen cylinders with a diameter of 50 mm or more have a valve on the side that is closed with a sealing plug. If not explicitly stated otherwise, the nitrogen cylinder will be delivered in filled condition. The valve must be removed if the nitrogen cylinder is to be connected with others. To do this, empty the nitrogen cylinder by means of the discharging screw SZ 7046.7 and screw out the valve with the valve key K100-000- 0300. If the nitrogen cylinder is not immediately linked to others, close the connection with the sealing plug. Nitrogen cylinders specifically designed for being used in a multiple-cylinder system, even with diameters starting at 38 mm, are listed in the section Nitrogen cylinders V, VB and VZ.

Order example: Nitrogen cylinder SZ 7080.2. with a D = 50 mm and a stroke of 100 mm. Addition 050 x 100 Order number SZ 7080.2.050 x 100

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