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Specifications and Selection Guide for C6 130W150W CO2 Laser Tubes

2026-10-30

The C6-series 130–150W CO2 laser tube is a widely used consumable in industrial laser processing, powering engraving and cutting equipment. Developed around GSI technology, the series is recognized for stable beam quality and dependable operation, positioning it as a key component in high-performance laser systems.

Core technical specifications

The C6 series is designed for high-output applications and offers a broad operating-current range that can be matched to various industrial laser cutting machines. Its key physical and electrical parameters are listed below.

Parameter Specification
Rated power 150W (peak 190W)
Operating voltage 26kV
Trigger voltage 30kV
Operating current 28–30mA (maximum 34mA)
Tube length 1905mm (75 inches)
Tube diameter 80mm (3 inches)
Trigger current 8mA (optimal beam-shape point)

The published specifications list a rated power of 150W and a peak output of 190W. The 8mA trigger current is identified as the point at which the beam shape is optimal.

Selection and installation guidance

When upgrading or replacing a laser tube, operators should focus on equipment compatibility and supporting infrastructure. As a general-purpose tube, the C6 series is suitable for most CO2 laser systems of comparable power or length. To maximize performance and service life, installations should use a matching power supply and a cooling system with sufficient heat-dissipation capacity.

The water-cooling system is described as essential for stable operation. Manufacturers recommend an industrial chiller with adequate cooling capacity, such as a 1600W-class unit, to prevent beam distortion or tube damage caused by overheating.

Warranty and shipping considerations

Because the C6 tube is a precision optical component, warranty and transport requirements are strict. After delivery, users should complete an appearance and functional inspection within three business days. Any shipping damage must be reported promptly to the carrier, and the original packaging materials should be retained.

Warranty requests require documentation showing compliant chiller use, and the manufacturer will evaluate each claim on its merits. For orders older than 30 days, the buyer is responsible for replacement shipping costs.

Frequently Asked Questions
Is the C6 laser tube compatible with all brands of CO2 laser cutting machines?
The tube uses a general-purpose design and is intended for most laser systems with equivalent power (150W) and length (1905mm). Before replacement, users should verify that the existing installation space, power supply output voltage and current interface match the C6 specifications.
Why does the warranty require proof of chiller use?
High-power operation generates substantial heat, and inadequate cooling can damage the tube. Documentation is required to confirm that the equipment operated within a controlled temperature environment and to help prevent non-standard damage from insufficient heat dissipation. Manufacturer guidance calls for a chiller rated at 1000W or higher, including the 5200 model or larger.
What does the 8mA trigger current mean for laser processing?
It is the threshold at which the tube begins to produce a stable laser beam. At that current, the beam profile is smooth and rounded, a characteristic described as important for engraving and cutting precision. Users can refer to this parameter when tuning equipment to optimize beam quality.
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Blog Details
Maison > Le Blog >

Company blog about-Specifications and Selection Guide for C6 130W150W CO2 Laser Tubes

Specifications and Selection Guide for C6 130W150W CO2 Laser Tubes

2026-10-30

The C6-series 130–150W CO2 laser tube is a widely used consumable in industrial laser processing, powering engraving and cutting equipment. Developed around GSI technology, the series is recognized for stable beam quality and dependable operation, positioning it as a key component in high-performance laser systems.

Core technical specifications

The C6 series is designed for high-output applications and offers a broad operating-current range that can be matched to various industrial laser cutting machines. Its key physical and electrical parameters are listed below.

Parameter Specification
Rated power 150W (peak 190W)
Operating voltage 26kV
Trigger voltage 30kV
Operating current 28–30mA (maximum 34mA)
Tube length 1905mm (75 inches)
Tube diameter 80mm (3 inches)
Trigger current 8mA (optimal beam-shape point)

The published specifications list a rated power of 150W and a peak output of 190W. The 8mA trigger current is identified as the point at which the beam shape is optimal.

Selection and installation guidance

When upgrading or replacing a laser tube, operators should focus on equipment compatibility and supporting infrastructure. As a general-purpose tube, the C6 series is suitable for most CO2 laser systems of comparable power or length. To maximize performance and service life, installations should use a matching power supply and a cooling system with sufficient heat-dissipation capacity.

The water-cooling system is described as essential for stable operation. Manufacturers recommend an industrial chiller with adequate cooling capacity, such as a 1600W-class unit, to prevent beam distortion or tube damage caused by overheating.

Warranty and shipping considerations

Because the C6 tube is a precision optical component, warranty and transport requirements are strict. After delivery, users should complete an appearance and functional inspection within three business days. Any shipping damage must be reported promptly to the carrier, and the original packaging materials should be retained.

Warranty requests require documentation showing compliant chiller use, and the manufacturer will evaluate each claim on its merits. For orders older than 30 days, the buyer is responsible for replacement shipping costs.

Frequently Asked Questions
Is the C6 laser tube compatible with all brands of CO2 laser cutting machines?
The tube uses a general-purpose design and is intended for most laser systems with equivalent power (150W) and length (1905mm). Before replacement, users should verify that the existing installation space, power supply output voltage and current interface match the C6 specifications.
Why does the warranty require proof of chiller use?
High-power operation generates substantial heat, and inadequate cooling can damage the tube. Documentation is required to confirm that the equipment operated within a controlled temperature environment and to help prevent non-standard damage from insufficient heat dissipation. Manufacturer guidance calls for a chiller rated at 1000W or higher, including the 5200 model or larger.
What does the 8mA trigger current mean for laser processing?
It is the threshold at which the tube begins to produce a stable laser beam. At that current, the beam profile is smooth and rounded, a characteristic described as important for engraving and cutting precision. Users can refer to this parameter when tuning equipment to optimize beam quality.