Sight glass
LK series Alfa Laval


Excellent Viewing Quality

Alfa Laval sight glasses are excellent choices for utilization in tanks or vessels. Not only do these low maintenance glasses give clear views of products and processes, but also provide faster detection and response mechanisms that aid in minimizing costs caused by downtime in operations.

Sight lass Construction and Range

The Alfa Laval sight glass range is made of borosilicate glass according to DIN 7080 and is composed of seven models that are attached to pressurized, non-pressurized, and high-temperature tanks, vessels or pipe systems. It can be utilized in different applications and is pressure-resistant and temperature-tolerant due to its durable and specially-designed gaskets.
Refer to the How it Works and Documentation for more details on the various types of sight glasses.


Other Alfa Laval products

Tank equipment

Air heat exchangers

Gasketed plat heat exchangers

All welded heat exchangers

Brazed heat exchangers


Scarped surface heat exchangers

Electrical heat exchangers

Shell and tube heat exchangers


Spiral heat exchangers

Decanter centrifuges

Membrane filtration

Filters and strainers




Tap water system


Tube and fittings

Tank cleaning equipment