Sight Glasses

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Sight glasses are instruments used in chemical, pharmaceutical and foods industry to monitor the productive process phases. They are also used for hazardous areas and make it possible to illuminate tanks inside to check the productive process. Sight glasses can also be light or heavy flanged type. The heavy sight glasses are used under onerous working conditions for PN 10 and PN 16 pressure. The light sight glasses can work under limited working conditions. Sight glasses can be provided with wipers and pierced glass or with wipers fixed to the flange. Also available are the rectangular sight glasses.