TL 40W CO2 Sealed Laser Tube

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TONGLI laser tube is used for industrial cutting, quenching, carving, seal cutting, leather cutting and carving, handicraft processing, relief printing carving etc. It has unique work mode, long service life and high stability.

The 850mm laser tube with a maximum output of 45W  is a great candidate for industrial engraving and cutting leather, wood, and thin acrylic.

Note: This laser tube is too long to fit in the unmodified K40 machine which only has space for 700~720mm CO2 Sealed Laser Tube. 


  • Power: Rated 40W
  • Triggering Voltage: 20KV
  • Operating Voltage: 15KV
  • Current: 18mA max. Recommended 16mA
  • Length: 850mm (33.5")
  • Diameter: 50mm (2")
  • Water Cooling required
  • Water Cooling required. 18~24'C(64-75F)
  • Warranty: 3 months 

Note: 600W water chiller with a compressor (refrigerant) is highly recommended for cooling. 


The default shipping method is UPS ground. Please contact us for the price if faster service is needed.

Additional shipping cost will be charged outside the continental 48 states in the US. Please contact us for shipping cost before placing the order. 

Courtesy reminder

Any damage that happens on the shipment; the buyer must report to us within 3 business days after receiving it. If failed to do so; this will result in the rejection of all claims. Customers must file a report to the carrier and keep all shipping materials handy for inspection. We're not responsible for any internal cracked after receiving, any damage caused during transportation covered by insurance.  The buyer is responsible for the shipping cost of a replacement tube if the order date is out of 30 days. Warranty acceptance or denial is subjected to the decision made by the tube manufacturers. Lightobject is not responsible for a denial under any circumstance.