6.1.1 Standard pneumatic cylinders

Range of pneumatic cylinders

Full range of standard pneumatic cylinders for common industrial applications: 
- Single-acting pneumatic cylinder 
- Double-acting pneumatic cylinder 

Stroke from 25 to 1,000 mm.

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To help you choose your pneumatic cylinder, you can read our blog article.

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UNIVER brand pneumatic cylinders

EASI-Spare.com offers pneumatic cylinders UNIVER brand operating with non-lubricated air for use in industrial environments. These pneumatic cylinders ISO 6431 have the advantage of a long lifespan.

We offer pneumatic cylinders with a bore diameter from 32 mm to 200 mm and standard strokes from 25 mm to 1,000 mm.


The composition of pneumatic cylinders

-          Sleeves are in aluminium extrusion with reinforced aluminium alloy

-          Heads and bottoms are made of an alloy of die-cast aluminium

-          Mechanical end stop bumpers are in plastic

-          Pistons are made of die-cast aluminium

-          Guides are in polyacetal

-          Piston and shock absorber seals: wear-resistant nitrile

-          Rod: stainless or chromium-plated steel 


How do air cylinders work?

Cylinders are driven by compressed air. They convert the compressed air (pneumatic energy) into mechanical energy through the movement of the piston.

A cylinder is composed of the body (the cylinder itself) and 2 empty spaces (chambers). The compressed air then enters one of the chambers by pushing the piston, which empties the air from the second chamber.

Pneumatic cylinders are particularly adapted to short and fast movements that do not require significant force (< 1 ton). They are used in many industrial applications that require lifting, pulling, tightening, pushing, etc. 


What is a single-acting cylinder?

Pneumatic cylinders with single acting are monostable, they accept pressure only from one side, and a spring in the cylinder chamber allow it to return to the initial position once the operating pressure is gone. 3/2 solenoid valves are used for these cylinders. As we use a spring, the stroke is usually limited (<50 mm). For longer strokes, use a double-acting cylinder and a 3/2 solenoid valve to return the cylinder to its initial position.


What is a double-acting cylinder?

A double-acting cylinder can move in both directions when it pushes on the piston or on the rod. It is used with a 5/2 solenoid valve. We offer micro double-acting pneumatic cylinders with a much thinner rod diameter: from 8 to 20 mm.

We also have on our websitecompact pneumatic cylinders with a rounded sleeve.


FAQ on pneumatic cylinders

What are the types of cylinders?

There are three types of cylinders: pneumatic cylinder (using compressed air), hydraulic cylinder (using oil) and electric cylinder. Pneumatic cylinders are particularly used in the industrial field.

What is a pneumatic cylinder?

A cylinder is a cylindrical tube which perform movements thanks to compressed air. It converts this pneumatic energy into a mechanical energy through the movement of the piston.

How does a pneumatic cylinder operate?

The cylinder is composed of 2 chambers The compressed air enters one of the chamber which generate the movement of the piston.

What is a double-acting cylinder?

A double-acting cylinder can move in both directions when it pushes on the piston or on the rod. The piston can move both ways with a double-acting but the return is not automatic with a spring like the single-acting cylinder.
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