This guide explains the essential steps for safely replacing a CO₂ laser tube, from draining the cooling system and checking water flow to wiring, mounting, alignment, and first-time testing. It also includes factory-recommended best practices from Puri Laser to maximize tube lifespan, power stability, and cutting performance. Ideal for users upgrading or maintaining 100W–150W CO₂ laser systems.

This article explains the real reasons CO₂ laser tubes break or crack—usually not due to quality issues but cooling problems such as unstable water temperature, weak flow, bubbles, or incorrect water direction. PURI Laser provides practical tips to avoid tube failure and improve lifespan.

The Puri Laser R-Series is a high-class catalyst CO₂ laser tube designed for professional engraving and cutting machines. Featuring imported discharge glass, advanced glass-metal sealing technology, and upgraded optical components, it ensures stable performance, strong and consistent power output, and excellent beam quality.

Puri Laser delivers 400W CO2 laser tubes straight from their co2 laser tube factory, offering higher throughput, longer life and robust support. Ideal for cutting thick acrylic, wood or thin metal. Available for USA, India and Russia. Send your inquiry now.

Learn what materials a 40W CO₂ laser tube can cut and how to achieve better cutting results. As a professional CO₂ laser tube factory in China, Puri Laser offers high-performance laser tube solutions ranging from 40W to 450W, suitable for cutting, engraving, and marking applications.