Tubular Level Gauge
The tubular level gauge provides direct liquid level readings for low pressure up to 25 bar and maximum temperature of 250 °C. Its glass is housed in a protective tube, and check balls in the upper and lower valves stop flow when the glass breaks.
Design features
- The gauge glass is built in the protective tube.
- Check balls inserted in the upper and lower valve to stop flow instantaneously when the glass is broken.
- The protector having a circular form is constructed to prevent glass breakage from external sources.
- Tubular glass with a linear red coating on the back is available to make level observation clearer.
- The manual adjustment of isolation valve at the input of the media entering the chamber reduces the bubbling.
- the body is made of forged material.
- The gauge has a relatively spacious internal area where foamy liquid is held from forming foams.

Technical specification
Build and limits
Taken from our published product data. Confirm against your line specification before ordering.
- Pressure
- low pressure up to 25 bar
- Maximum temperature
- 250 °C
- Material
- Carbon St.eel & StainleBS Steel as standard.
- Glass tube
- Heavy duty.Boroailicete 5/8.
- Glass Protector Valves
- Bright bar or Aluminum tie rod, Auto-shutroff ball check-screwed or Bolted Bonnet.
- Packing
- PTFE.
- Connection
- Flanged or Screwed.
- Extended center-to-center dimensions
- For glass tube gauges only of center-to-center dimensions in excess of 2000 mm, it is possible to manufacture any required c to c by using coupling in the middle of the gauge.
- Alternative tube materials
- PFA, Acrylic or Vinyl tube
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