The Sight Glass

Luneta’s new Sight Glass has all the clarity and durability you need, with none of the leaks, cracks or squinting you may be used to with those old-style sight glasses. You’ll never have to use fragile, dark, hard-to-read sight glasses again!

Be sure to check out the impact test video to witness the true strength of Luneta’s engineering and the Tritan™ material.

Application: Oil level and drain ports.

Body Material: High-impact Tritan™, a crystal-clear copolyester.

Recommended Temperature Range: -40°F to 200°F (-40°C to 93°C).

Max. Operating Pressure: 65 psi/4.48 bar.

Outdoor Compatibility: UV-resistant to protect against long-term sun exposure.

Chemical Compatibility: Resistant to mineral and synthetic oils that are compatible with fluorocarbon elastomers (Viton™) and PMMA (acrylic) plastic.

Viton® O-ring: Rubber FPM.

3/8” 3/8” 12x1.5
½” ½” 16x1.5
Data Sheets
  • SpecSheet_SightGlass_Luneta_060817.pdfDownload

Sight Glass Durability Testing

We put Acrylic, Polyamide and Luneta sight glasses to the durability test to answer a simple question, "Which one is built to last?" The results were very definitive - watch the video to see for yourself!

Become a Subscriber

Subscribe to our Quarterly Newsletter to stay up to date with developments in Condition Monitoring and Reliability technology and the latest real world case studies.

What are you looking for?