Glass discs with or without central bore hole

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