Raytools Seal Ring : For Protective Lens 27.9x4.1 mm

OEM Seal Rign for Raytools Protective Lens - 27.9x4.1mm

Raytools OEM Seal Ring is the oem factory part designed exclusively for Raytools Laser Cutting Head series using 27.9mm diameter, 4.1mm thick protective lenses. This precision seal ring ensures a perfect seal between lens and holder, preventing contamination that degrades beam quality and damages expensive optics in industrial laser applications.

Why to use Raytools Seal Rings :

• Exact 27.9x4.1mm Specification - Precision-matched to Raytools lens groove geometry
• Factory-Original Material - Same fluorocarbon compound as original equipment
• Consistent Compression - Maintains 20-30% compression for reliable sealing
• Batch-Tested Quality - Every production lot verified against Raytools standards

Critical Protection for Your Optical System:

✓ Absolute Contamination Barrier - Blocks metal dust, smoke particles, and coolant mist
✓ Stable Beam Path - Prevents lens shifting that causes focus variations
✓ Assist Gas Integrity - Maintains nozzle pressure for clean edge quality
✓ Warranty Compliance - Required for valid Raytools service agreements

Technical Specifications:

• Raytools OEM Part: Genuine Factory Seal Ring
• Lens Compatibility: 27.9mm diameter × 4.1mm thickness (Standard Raytools)

Compatible Raytools Systems:

• Standard Cutting Heads (Various models using 27.9mm lenses)
• Welding Optics Assemblies
• Lower-to-Mid Power Fiber Laser Systems
• Laser Cleaning Heads
• OEM Integrated Laser Machines

When Replacement is Mandatory:

• Every Lens Change - Never reuse an installed seal
• After 6 Months - Preventive maintenance schedule
• Contamination Events - Following severe cutting conditions
• Head Servicing - During collision repair or overhaul
• Performance Drop - When cut quality deteriorates unexpectedly

Symptoms of Compromised Seal:

• Fogging or residue on lens perimeter within 8 hours
• Inconsistent cutting speed requirements
• Nozzle clogging or pressure fluctuations
• Visible seal flattening or micro-cracks
• Lens sits proud or uneven in holder

Maintenance Tip:
Always replace the seal ring when changing lenses— a seal ring can protect a lens from permanent damage.