Reflex glasses are made from high Borosilicate, It can be used with all media except steam at service conditions up to 6MPa and temperature up to 430 °C.
The side facing the medium chamber is provided with moulded grooves set at 90° angles. The moulding process increases the resistance of the glass grooves to wear;
the skin which the glass attains during moulding gives it maximum smoothness and hardness. This makes it extremely resistant to the attack of boiler water.
It is used in a level gauge in the boiler for water position. It is also named: Reflex Gauge Glass, Sight glass, Reflex Glasses, Reflex sight glass, Spares For level Gauge.
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