OIL GLASS/SCREWED SIGHT GLASS
Oil glass/Screwed sight glass is probably the simplest method of measuring liquid level. The sight glass is attached to the outside of the tank so that the liquid level can be seen through the glass.
Specifications
Brand : Floin
Size : 20 to 80NB
Connection : Screwed
Mounting : Vertical
Material : ASTM A105/Carbon Steel/SS304/SS316/Customized
Glass : Toughened Glass/ Toughened Borosilicate Glass/Soda Lime Glass
Gasket :PTFE/Rubber