In Double Window Sight Glass Contains Two Toughened Glasses Mounted opposite to each other. This enables observation of the Flow. Due to Toughened Glasses Sight Glass Can Withstand High Pressure ( Maxi. 25 Kg / Cm 2 ) High Temp ( Maxi. 200 ) & Full Vacuum Service. We are manufacturing these Sight Glasses in Flanged or Screwed or Socket Weld or Butt Weld End Connection in M. S., CS ( A - 105 ), S.S.304, S.S.316, or MS With Rubber or PP or PVDF or Teflon lined or any other alloy. We are giving from 15 NB to 300 mm NB. We are also manufacturing Double Window With Jacket for Special application. Generally Our Double Window Sight having Drip Tube Type Design But for any Transparent liquid we can also provides Rotating blade type & for any Gas application we can also provides Flapper type Double Window Sight Glasses.