The same commitment to quality the L.J. Star name is known for is now available for all your replacement gage glass and accessories. L.J. Star replacement borosilicate gage glass is manufactured exclusively to MIL G 16356-D standards. Gauge glass ranging from size 1 through 9 are stocked and available for immediate delivery with other sizes available upon request.

The Ilmadur patented I-420 gage glass provides better visual clarity, greater chemical and thermal shock resistance, higher pressure safety factors and is the only gauge glass specifically manufactured to Mil Spec.

The Ilmadur patented I-420 gage glass provides better visual clarity, greater chemical and thermal shock resistance, higher pressure safety factors and is the only gauge glass specifically manufactured to Mil Spec.

L. J. Star’s direct partnership with Ilmadur Glass provides better technical support, custom solutions and customer support. The new state-of-the-art production facility allows for better quality control, which results in the highest quality available. In fact, the new equipment allows for eight times tighter tolerances than the Military Specification requires, resulting in greater pressure capabilities and safety.

Gage glass gaskets gaskets are available for the full range of glass sizes 1 through 9. The most common gasket materials - Non-Asbestos, Gylon®, and Graphite - are in stock for immediate delivery.

For extreme applications where the fluid is erosive or corrosive to the gauge glass, shields may be incorporated. The most common shields used in these applications are Mica gauge glass shields and PCTFE gauge glass shields (Kel-F®).

L.J. Star is the industry expert in process observation equipment and technology, Including a full line of replacement gauge glass and accessories.