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Anhui Jujie Automation Technology Co., LTD.
Anhui Jujie Automation Technology Co., LTD.

Metal Tube Rotameter for Liquid and Gas Measurement

This variable‑area Metal Tube Rotameter features reliable magnetic coupling. It supplies pointer or LCD display plus optional HART communication. Compact‑sized, it fits various installation forms for process flow measurement across multiple industrial fields.

Types of Metal Tube Rotameter

Metal Tube Rotameter
Metal Tube Rotameter
​Designed for on‑site process flow monitoring, the metal tube rotameter supports multiple mounting orientations to fit complex pipeline layouts. With customizable wetted materials such as PTFE and stainless steel, it handles various corrosive fluids while delivering dependable measurement for low‑flow liquid and gas applications.

Metal Tube Rotameter for Liquid and Gas Measurement

Measurement Principle

As a variable‑area flow device, it relies on float balance inside tapered metal tube. Fluid lift the float, and float position reflects flow rate. Magnetic coupling transfers signal without mechanical contact for liquid and gas measuring.

Core Performance Advantages

It has a standard 10:1 turndown ratio and low demand for upstream‑downstream straight pipe sections. The all‑metal body adapts to high‑temp, high‑pressure and corrosive liquid & gas with stable long‑term operation.

Display & Signal Output

Supports local pointer or LCD display showing instantaneous and cumulative flow. Standard 4‑20mA remote output is available; HART communication can be selected for liquid and gas process monitoring.

Typical Industry Application

Suitable for liquid and gas flow monitoring in petrochemical, pharmaceutical, water‑treatment and metallurgy. It works well for small‑flow media where glass rotameters cannot endure harsh conditions.

Why Metal Tube Rotameter Provides Stable Flow Measurement for Liquid & Gas

  • Variable Area Measurement Principle

    As a variable-area flow meter, it uses fluid buoyancy to lift the float inside the tapered metal tube. Magnetic coupling transfers flow signals without mechanical contact, delivering consistent readings for both liquid and gas media.

  • All-metal Structure for Tough Conditions

    Constructed entirely of metal, it resists high temperature, high pressure and mild corrosion. It features a 10:1 turndown ratio and low requirement for straight pipe sections, maintaining stable performance in harsh industrial pipelines.

  • Local Indication & Remote Signal Output

    It supports on-site pointer or LCD display for instant flow reading. Optional 4-20mA and HART outputs enable remote monitoring. It is widely used in petrochemical, water treatment and pharmaceutical flow control.

Why Metal Tube Rotameter Provides Stable Flow Measurement for Liquid & Gas
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