Sight Glass Discs
Lumiglas Sight Glass Disc, circular DIN 7080
Toughened Borosilicate, For pressure duties at temperatures up to 280°C,
no low temp limit
Untoughened and without pressure up to 450°C
Ground and polished
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Lumiglas Sight Glass Disc, circular DIN 8902
Toughened Soda Lime
For pressure duties at temperatures up to 150°C, no low temp limit
Ground and polished
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Lumiglas Sight Glass Disc, circular, with central hole 10,5 mm
For pressure duties, no low temp limit
Toughened Borosilicate and Soda Lime
Ground and polished
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Lumiglas Sight Glass Plate, tongue-shaped for pressure duty
For use with rectangular or oval Sight Glass Fittings
Soda Lime Glass DIN 8903, Temperature up to 100°C
Borosilicate Glass DIN 7081, Temperature up to 243°C, optionally with flat or reflex surface
Special versions
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