Round Disc Glasses

Newwin - Sight Glasses - Borosilicate Annealed Glass (Clear)

Good for normal service where one surface is heated to maximum temperature of 446oF (230°C), using ¼” or thicker glass. The temperature difference between ambient and process should not exceed 150°F.

Newwin - Sight Glasses - Fabricated Housing

Newwin - Sight Glasses - High Temperature Glass

Tempered Borosilicate – Clear

Recommended for use where higher pressures are requires than can be obtained with Annealed Borosilicate. Maximum service temperature is 500°F (260°C) No corrosion to surface, nor severe chill can be tolerated.

Cobalt Blue Furnace – Blue

Used to reduce glare when observing flame, smoke, and ash intensity in power plants and marine boilers. Thickness to ¼”.

Vycor  - Clear

Can be used continuously at 1652oF (900°C). The temperature difference between ambient and process surfaces should not exceed 600°F. Thickness up to ½” Excellent optical properties.

Fused Quartz – Clear

For industrial and laboratory applications. Can be used continuously at 1742°F (950°C). Commercial Grade is standard Optical Grade is available.