You can use the sight glass to observe the liquid level. The different brightness of the reflective glass in water or in the vapor space is able to distinguish liquids. The liquid absorbs light, while the vapor reflects light, so the liquid level is visible.

Connect:
Flange

Working pressure:
16 bar/40 bar

Working temperature:
Up to 250 ºC

Application:
-Steam boiler
-Preheating tank
-Some special chemical equipment