Shield tunneling demands precise control of fluids that support excavation, ground conditioning, and slurry transport. A turbine flowmeter is often used to measure water, bentonite slurry, grout additives, and other low-viscosity media in these systems. Its simple design converts fluid movement into rotor rotation, producing pulse signals that reflect flow rate. This allows operators to track consumption, verify injection volumes, and detect line blockages before they affect TBM performance. In shield tunneling, flowmeters must tolerate vibration, pressure pulses, dust, humidity, and limited installation space. A well-selected turbine flowmeter should offer wear-resistant bearings, stable signal output, and easy maintenance. Stainless steel or hardened components help resist abrasive slurry particles. Correct straight-pipe lengths and regular calibration improve accuracy, while filters and flushing procedures reduce clogging and wear. Installation should avoid air pockets and keep the meter full during operation. Reliable flow data supports safer and more efficient tunneling. It helps teams optimize slurry circulation, control foam or bentonite injection, and reduce waste. When integrated with TBM monitoring systems, turbine flowmeters provide real-time feedback for automated control and early fault detection. Accurate measurement also improves reporting and quality control. For shield tunneling projects, choosing the right turbine flowmeter means better process visibility, lower maintenance costs, and more consistent excavation performance.