Model Specifications LZB-W (F) Series, LZB-WB (F) Series Nominal Diameter DN3–DN10 Measuring Range Water (20°C): 0.4 mL/min–1.6 L/min Gas (101,325 Pa, 20°C): 6 mL/min–45 L/min Turndown Ratio 10:1 Accuracy Class 2.5, Class 4, Class 6 Nominal Pressure 0.2 MPa Operating Temperature ≤120°C Connection Types Hose, Metal Pipe, Flange (GB/T 9119–2000)