3/4‘’NPT HEX Flat top iron oil sight glass,high temperature resistant,Knob Type sight glass,stainless steel body that installs in the drain port of the oil reservoir of pumps, gearboxes, bearing housings, air compressor, reduction box and other lubrication-critical pieces of equipment. It shows continuous fluid observing of clarity, color, sediment, and water contamination. These products enable personnel in many industries to constantly manage the condition of the oil.
Glass and iron are sintered
Work temperature: -40° to 260°
Country of Origin: China
Size: 3/8",1/2'',3/4'',1'',1 1/4'',2''
Connections:Screwed Ends and Flange ends