Glass View Level Gauges

Glass view level gauges are instruments used to visually indicate the level of liquids inside tanks, boilers, or vessels. They use a transparent glass tube or plate connected to the vessel, allowing operators to directly see the fluid level in real time. These gauges are commonly used in industrial applications for monitoring level safely, accurately, and reliably.

A glass view level gauge consists of a transparent glass tube or a flat reflex/transparent glass mounted between two isolation valves connected to the vessel. The liquid inside the vessel naturally rises and falls in the gauge, allowing operators to observe the exact level in real time. Depending on the application, gauges can be supplied with tubular glass, reflex glass, transparent glass, or armored glass designs for enhanced safety and durability.

Glass view level gauges are manufactured using high-strength borosilicate or tempered safety glass, combined with robust metallic bodies and isolation valves to withstand high pressures and temperatures. Optional features such as illumination, graduated scales, and alarm or transmitter integration further enhance their functionality and visibility in demanding operating environments.

The key value of Glass View Level Gauges lies in their simplicity, reliability, and safety. By offering direct visual confirmation of liquid levels, they enable quick operator decisions and reduce the risk of overfilling, dry running, or process downtime. Their mechanical design ensures long service life, minimal maintenance, and low total cost of ownership.

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Applications

  • Chemical and petrochemical tanks
  • Boilers and steam systems
  • Industrial process vessels
  • Oil & Gas
  • Pharmaceuticals
  • Water treatment

Specifications

  • Type: Tubular / Reflex / Transparent
  • Process Connection: Flanged or Threaded (BSP / NPT)
  • Body Material: Carbon Steel / SS304 / SS316
  • Glass Material: Borosilicate / Toughened safety glass
  • Operating Pressure: Up to 100 bar (dependent on design)
  • Operating Temperature: Up to 300 °C (with suitable glass & gasket)
  • Center-to-Center Distance: As per vessel nozzle spacing
  • Gasket Material: Graphite / PTFE / Viton
  • Mounting: Vertical
  • Optional Features: Level scale, illumination, drain/vent, switches or transmitter

Accessories

  • Gauge valves for isolation
  • Mounting hardware

Product Variations

RLG Series

RLG Series

Reflex Level Gauge

SLI Series

SLI Series

Sight Level Indicator

TLG Series

TLG Series

Transparent Level Gauge

TLI Series

TLI Series

Tubular Level Gauge

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