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Double Glass Sight Glass Fitting

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Applications

Bolt-on sightglass fittings for the observation of the internals of pressure vessels, silos, gear-trains, separators, pipelines, etc.
These sightglass units can be combined with light fittings for use in explosion hazardous areas and safe areas. The cover flanges can be drilled and tapped to take these light fittings.

Description

Circular flange assembly ready for bolting straight onto weld pad/nozzle flange
Glass discs separated by spacer ring and independant seals
If damage occurs to one disc, the other maintains service under full operating conditions.
Nominal sizes: DN 50 to DN 200
Viewing diameter: 50 to 175 mm
Materials: stainless, carbon steels and specials
Also available with inter glass heating