How to choose a sight glass for pressure vessels?
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How to choose a sight glass for pressure vessels?
Depending on the corrosivity of the medium used, sight glasses are available in three materials: all carbon steel, all stainless steel, and a combination of carbon steel and stainless steel.
The operating conditions and requirements should be provided to the manufacturer, as they can make a more professional selection
It should be the same as the main material, right?
The material is chosen based on the medium, which results in a variety of types; currently, magnetic flip plates are used quite frequently.
The material and pressure rating of the sight glass flange are the same as those of the main flange; the glass material depends on the medium and temperature； The size of the sight glass is generally DN150.
One more question: how is reinforcement calculated for the sight glass openings?
The sight glass body is a large flange, and since the pressure in the equipment using the sight glass is not very high, reinforcement is not a problem.