Robust level indicators with glass tube – precise level control for containers
The level indicators from Armaturen Arndt provide reliable and direct monitoring of the liquid level in vessels and pipelines. Whether glass tube indicator, valve liquid level indicator or intermediate holder – all products are designed for use in vessel construction and the chemical, energy and food industries. With high-grade materials such as brass and stainless steel 1.4571 they guarantee durability and safety even under demanding conditions.
The pressure rating follows the version: indicators up to PN 25, valve versions also up to PN 25, light versions up to PN 10. For indication lengths above 2,000 mm an enquiry is required.
| Feature | Type 120 | Type 121 | Type 126 | Type 128 |
| Nominal pressure | PN 25 | PN 25 | PN 10 | PN 25 |
| Connection | G ½” or G ¾” | Male thread or flange | G ½” (male thread) | Flanged connection |
| Glass diameter | 13 mm / 16 mm | 13 mm / 16 mm / 20 mm | 13 mm | 13 mm / 20 mm / 25 mm |
| material | Brass or stainless steel 1.4571 | Stainless steel 1.4571 | brass | Stainless steel 1.4571 |
| Glass length | 30 mm / 44 mm | 66 mm / 75 mm / 95 mm | 28 mm | 40 mm / 90 mm |
Level indicators are indispensable components in tank construction and process technology, as they enable continuous and reliable level control. They are used in storage tanks, pressure vessels, reactors and mixing vessels and ensure process safety by preventing overfilling or dry running.
Thanks to their robust design and the possibility of customization – for example with special connections, heating jackets or ATEX-compliant versions – our level indicators can be perfectly integrated into your system. They are suitable for aggressive media, high temperatures and pressures and can also be used in hygienic applications such as the food and pharmaceutical industries.
We not only offer standard solutions, but also customized versions that are precisely tailored to your requirements. This gives you a product that combines functionality, safety and durability – ideal for use in chemical, energy, water and food technology.
Brass and stainless steel 1.4571 for high corrosion resistance.
Yes, up to 2000 mm on request, also in DURAN glass or Plexiglas.
Yes, type 126 (brass) and type 128 (stainless steel) with valve connection.
Depending on type up to PN25 or PN10, valve versions up to PN25.
Yes, special connections and materials are available on request.
Our insulations are more than just accessories – they perfectly complement valves and systems and increase efficiency, safety and adaptability.
Order and configure now.
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