Description: Flowtech Instruments produces full view type and double window type industrial sight flow indicator. The double window sight glass comprises of two toughened glasses mounted opposite to each other that enables the observation of the flow. The sight glass is toughened glass and thereby can withstand high pressure (maximum 25 kg/cm2), high temperature (maximum 200?C) and full vacuum service. We manufactures these sight glasses in flanged or screwed or socket weld or butt weld end connection in MS, CS (A = 105), SS 304, SS 316 or MS with rubber or PP or PVDF or Teflon lined or any other alloy. These are available from 15 NB to 300 mm NB. We also manufacture double window with jacket for special application.