The difference between rotary and spiral water meters

Rotor type water meter and spiral type water meter are two common types of mechanical water meter, they have significant differences in structural direction, performance, appearance, application and so on. Here is a detailed comparison of the two water meters:

1. The direction of the structure is different: the rotating axis of the rotor type water meter is perpendicular to the direction of the water flow, and several pieces of radial rotating wings are installed on the impeller; The rotating axis of the spiral vane type water meter is parallel to the direction of the water flow, and several pieces of spiral vane are installed on the impeller.

2. Different performance: the rotor type water meter has high measurement accuracy and is susceptible to the influence of water flow speed and pressure; The measurement accuracy of spiral vane water meter is low, and it is not easy to be affected by water velocity and pressure.

3. Different appearance: the appearance of the rotor type water meter is similar to a "big belly", and the two ends are thinner and the middle is a round drum; The overall appearance of the spiral water meter is more consistent, into a font.

4. Different applications: the rotor type water meter is suitable for small diameter pipelines, such as family homes, small businesses and other places with small water demand; The spiral vane type water meter is suitable for large diameter pipes, such as industrial, farmland irrigation and other places with large water demand.

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