Circular Sight Glass Fitting to DIN 28120 or similar for Pressure Ratings from PN 2.5 to PN 16

Used where a product or process has to be observed or controlled inside stirred vessels, tanks, dryers, columns, silos, centrifuges, mixers, evaporators, pipelines.

MOUNTING:

The circular flange or pad is welded into or onto the vessel wall.

NOMINAL SIZES:

From DN 25 (with a free view of 48 mm) to DN 200 (with a free view of 225 mm). Larger sizes on request.

OPERATING CONDITIONS:

Nominal pressure ratings of 2.5, 6, 10 and 16 bar. Vacuum. Temperatures of up to 150°C with sodium silicate glass to DIN 8902 or up to 280°C with borosilicate glass to DIN 7080.

MATERIALS:

Flanges: Stainless steels, boilerplate, Hastelloys and exotic specials

Gaskets: KLINGERsil C4400, PTFE, Silicone, Viton, GYLON, EPDM

CERTIFICATES:

- To be supplied against extra charge to DIN EN 10204

SPECIAL VERSIONS:

- Double glazed safety version with or without internal heating element to prevent cristallisation or condensation

- Special glass qualities, e.g. Quartz, fused glass and seal qualities on request

- High vacuum-tight version

- Base flange machined for glass lining or rubber covering