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The DTRLZD Type Metal Tube Rotameter, also known as a metal rotor flowmeter, is a type of variable-area flowmeter. In a vertical conical tube that expands from bottom to top, the gravity of a float with a circular cross-section is supported by fluid dynamics, allowing the float to rise and fall freely inside the conical tube.
Metal rotor flowmeters are suitable for measuring the flow of media with small calibers and low flow rates. They feature reliable operation, minimal maintenance needs, and a long service life, with low requirements for straight pipe sections and a relatively wide flow ratio. These flowmeters are widely applicable to various liquid media, including water, oil, chemical liquids, and more.






