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Mica Shields

Gauge glasses must be mica protected on the side facing the medium when used with steam at pressures over 35 bar or with media which cause rapid wear of glass.

The mica shield must be supported by a glass with a perfectly flat surface. Therefore only transparent (plate) glasses can be mica-protected; this is not possible for glasses provided with reflex grooves.

Mica is a naturally-occurring substance. Only high-quality mica offers the desired gauge glass protection.

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