The Kmei 2-inch (50mm) Water Meter is a heavy-duty bulk flow meter designed for high-volume water management. While the 1-inch Kmei is for individual households, the 2-inch model is built for the "main line"—serving large apartment complexes, commercial buildings, or agricultural irrigation blocks.Key SpecificationsSize: 2-inch (50mm) inlet and outlet.Flow Rate ($Q_n$): Nominal flow of approximately $15m^3/hr$ to $25m^3/hr$.Mechanism: Typically a Woltman-style (Horizontal Turbine) or a reinforced Multi-jet design.Body Material: High-grade Cast Iron with a protective epoxy coating to prevent internal and external corrosion.Accuracy: Class B (Standard for bulk water measurement).