Visilume low pressure sightglasses are similar to the DIN28-120 series and are suitable for welding into or onto vessel walls.
Circular pad flange for welding into or onto vessel wall
Cost effective alternative to the DIN28120 for lower pressure applications
Complete with gaskets, glass disc and hexagon head screws
Viewing diameter from 50 to 300mm
Operating temperature up to 280°C, up to 900°C possible
Operating pressure up to 5 bar
Materials: Stainless, Carbon steel and speciality steels such as Hastelloy
Custom built versions