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GLASS DISCS OR PLATES,
CIRCULAR OR RECTANGULAR

MOUNTING:
The glass discs are sized for being mounted into standard circular sightglass fittings to DIN 28120 / 28121 or similar, circular sightglass fittings for PN 0 (lightweight version) and also for use in screwed sightglass fittings similar to DIN 11851. The glass discs with central bore hole Ø 10.5 mm have the same application as the above, but may be fitted with the centrally operated wipers of the series W / WD / WDT / WR / WDR.
The glass plates are sized to be mounted into the rectangular or D-ended sightglass fittings LSG (R,RR) / RSG ( R,RR)

OPERATING CONDITIONS:
Nominal pressure: Rated to the DIN standards. Versions with central bore hole for wiper application on request.
Temperatures:
Maximum 150°C for sodium silicate glass to DIN 8902 (discs)
Maximum 280°C for borosilicate glass to DIN 7080 (discs)
Maximum 150°C for sodium silicate glass to DIN 8903 (plates)
Maximum 243°C for borosilicate glass to DIN 7081 (plates)
No minimum temperature limit.
The glass discs / plates are toughened by a thermal treatment, the surfaces polished, and the edges ground smooth.

CERTIFICATES:
- To be supplied against extra charge to DIN EN 10204
- Individual pressure tests

SPECIAL VERSIONS / OPTIONS:
- Rectangular glass plates
- Fused glass / metal discs to DIN 7079
- Laminated glasses of different diameters and thicknesses
- Glass discs of different diameters and thicknesses, made from only one glass block
- Special dimensions
- Drilled holes

COMPLEMENTARY PRODUCTS:
Sightglasses to or similar to DIN 28120 or DIN 28121, for PN 0 (lightweight version), similar to DIN 11851, rectangular and d-ended sightglasses, sightflow indicators and their accessories

Glass discs to DIN 8902 and DIN 7080

VETROLUX sightglass discs to DIN 8902 and to DIN 7080


Glass discs with central bore hole similar to DIN 8902 and DIN 7080

VETROLUX sightglass discs similar to DIN 8902 and similar to DIN 7080 with central bore hole of Ø 10.5 mm to fit wipers of the series W / WD / WDT / WR / WDR