LJ Star Incorporated products

The strongest, most secure sight glass elements available, METAGLAS^®  mechanically prestressed windows, are available in a sanitary design for process applications.

Aseptic Sight Glass with METAGLAS for sanitary applications. Provides clear process visibility and unmatched safety with minimal maintenance.

Extremely durable sight glass constructed of Soda Lime and fused with a glass coated metal frame that provides rigidity to prevent breakage.

This sight glass offers easy cleaning and clear field of visibility and can come equipped with an optional light source. Suitable for use in the chemical, pharmaceutical and food industries.

The flanged version of our standard view-through flow indicator ranges from 1/2″ to 12″ is full-ANSI rated up to 6″.  The quality investment-cast body is made from stainless or coated carbon steel. It is fitted with independently bolted glass retainers.

Standard Inline Flow-Indicator Sight Glass with Threaded Connection. The most common style of flow indicator for industrial application allows visual observation of process flow through a pair of sight glasses mounted on a casted metal body.

LumiStar 1000 LED Luminaire Series USL13/33. This light is an extremely reliable sight glass luminaire. Resistant to shock and vibration.

Heated Sight Glass MetaClamp for Fog-Free Viewing is non-intrusive and only requires a 24 volt supply with either a temp controller or timer.