Bob Reynolds (Senior Mechanical Engineer at DK Gas Spring)
August 27th, 2025Gas Springs: Complete Guide to Types, Functions, Applications & How to Choose the Right One
A gas spring (also known as a gas strut or gas lift) is a mechanical device that uses compressed gas (typically nitrogen) within a cylinder to generate force, enabling smooth, controlled motion for lifting, lowering, supporting, or damping. This comprehensive guide covers everything from working principles and types to precise force calculations (with angle compensation), material selection, installation best practices, troubleshooting, and application examples. Plus, download our free cheat sheet and try the interactive selection tool.