Round plane transparent sight-glasses with angle-cut borders and gaskets and polished, rectified sight. It allows an excellent view of the intern area of the equipments.
Borosilicate glass:
It is highly resistant to chemical attacks and vapours, as well as temperatures up to 320°C and thermal shocks of up to 265°C (according to DIN regulations no. 7080), depending of the fluid in contact, the pressure which is it exposed to, can raise the working temperature for long periods for up to 450°C.
Colour:slightly yellow hue. In frontal view it has excellent transparency and clearness.
Circular borosilicate glass: up to 19 mm thickness, maximum diameter 800 mm. From 19,0 mm thickness onwards, the maximum diameter is of 350 mm.
Rectangular borosilicate glass: up to 19 mm thickness, maximum dimensions 1.150 X 850 mm. From 19,0 mm thickness onwards, the maximum dimensions will be of 400 X 165 mm.
Visual aspect: on both cases it shows a white-yellow hue if seen by the thickness. In frontal view it has excellent transparency and clearness.
