The Sight Glass

DETECT LUBRICANT PROBLEMS FAST

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!

Overview

Download Technical Specifications

HD Clarity. HD Strength.

High-Definition View

Compared to other bullseye sight glasses, the Luneta Sight Glass provides a crystal-clear, undistorted view of in-service oils. You’ll notice the difference immediately. This level of clarity is achieved by our manufacturing process and the use of Tritan™, which allows for much thinner outer walls than acrylic sight glasses.

Heavy-Duty Durability

The Luneta Sight Glass is 4X stronger than traditional acrylic sight glasses, shatterproof and chemically resistant. In fact, it’s made with a proprietary copolyester that is stronger than bulletproof glass. The Luneta Sight Glass can take a beating and withstand harsh environments, including extreme temperatures.

Specifications

• Body Material: High-impact Tritan™, a crystal-clear copolyester.
• Recommended Temperature Range: -40F to 200F (-40C to 93C)
• Chemical Compatibility: Chemically resistant with broad chemical compatibility, while retaining opitimum optical properties.
• Viton® O-ring: Rubber FPM
• Other options/sizes coming soon.

INSTALL IN 5 EASY STEPS

1. Apply thread sealer to the threads before installation.
2. Hand-thread the Luneta Sight Glass into the port.
3. Use a crescent wrench or 1-5/16” socket wrench to tighten until the hex nut contacts the port face.
4. Check for leaks and apply more thread sealer if necessary.
5. Do not overtighten.

Recommended Temp. Range: -40°F to 200°F / -40°C to 93°C
Max. Operating Pressure: 65 psi/4.48 bar