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Unlike coil springs that resist impacts due to their structure, gas springs resist shocks because they are powered with pneumatic energy in the form of a high-pressure gas in a cylinder. Gas springs can be used for shock absorption, dampening and exerting force. These springs operate in a similar way to air cylinders because a piston compresses or extends based on the pressure in the chamber.

Gas springs can be used in place of mechanical springs to lift, lower, close, open, and adjust things in a variety of applications. Manufacturers create gas springs using metals like stainless steel and aluminum. The size of the spring will depend on the amount of gas that is expected to pass through the chamber. There are several types of gas springs: tension, adjustable, reducible, and locking.

Each of these are designed to meet different actuation or vibration isolation needs. A gas cylinder can be as small as two inches in length or as long as several feet. Likewise, load capacity can range from one-hundred to over eighty thousand pounds. Read More…

Leading Manufacturers

Industrial Gas Springs

Romeoville, IL | 800-214-7034

DADCO

Plymouth, MI | 800-323-2687

H.A Guden Co., Inc.

Ronkonkoma, NY | 800-344-6437

American Gas Springs

Medford, OR | 888-220-6093

Lucid Gas Springs

Los Alamitos, CA | 888-788-4044


The specifications for a gas spring are determined by the type of application for which it will be used. Industries like aerospace, healthcare, office supply, marine, and agriculture all use gas springs in their products or in manufacturing equipment. Gas springs are extremely important in the automobile industry where they are used for everything from suspension to truck supports to hoods. In other industries, gas springs are used for things like landing gear on planes, tanning beds and awning extensions.

Compression and gas springs are both available for these applications. Compression springs offer dampening when force is exerted on the spring as the piston is pushed into the cylinder. Gas springs push the rod all the way out or partially out in the chamber to provide isolation. In many different vehicles and pieces of machinery, it is critical that variable pressures and velocities can be tolerated. Gas springs tend to last longer and perform better than traditional springs if they are maintained properly.

Gas springs all have a similar design and function, but they can be used for many different applications and manufactured in a wide range of sizes. Essentially, all gas springs have a body, piston rod, O-rings (or other seals), intake and outlet valves, and a gas reservoir. The polished interior of the cylinder helps to reduce friction during motion. The head piston of the spring sits perpendicular to create an airtight seal and separate the cylinder into two compartments.

The rod extends out of the end of the cylinder and is attached to the piston. To construct gas springs, most manufacturers make use of 3D CAD drawings or similar design software for maximum precision. When force is placed on the spring, the rod goes deep into the chamber. This is what compresses the gas and reduces the impact. A common example of this is when a car drives over a bump. The force of the impact causes the car’s springs to momentarily compress.

Gas Spring Manufacturers Informational Video