Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of woltman water meter dn50~600mm with iso 4064 in China. If you're going to wholesale high quality woltman water meter dn50~600mm with iso 4064, welcome to get pricelist and quotation from our factory.
Products Description
Woltman water meters are suitable for large-diameter pipelines (DN50 to DN600) and are widely used in industries, agricultural irrigation, urban water supply, and wastewater treatment. Their main feature is the ability to handle high flow rates with low pressure loss.
Products Description
The Woltman water meter is named after its inventor, German engineer Reinhard Woltman. He invented this type of water meter in 1790, which uses the turbine principle. Its core principle is to utilize water flow to drive the rotation of turbine blades, and by measuring the turbine's rotational speed, the total water flow can be calculated. This is based on the law of conservation of momentum.
Before the advent of the Woltman water meter, water flow measurement largely relied on methods such as the balance tank water meter. The turbine design of the Woltman meter, especially in large-diameter pipelines, demonstrated greater measurement efficiency and reliability.
2. Technological Evolution and Improvements
Early Woltman water meters were primarily mechanical, with the turbine shaft parallel to the direction of water flow (i.e., horizontal rotor type). With advances in materials science and manufacturing processes, water meters have continuously improved in design, craftsmanship, and material selection, significantly enhancing measurement performance and reliability while reducing manufacturing costs.
To accommodate different installation spaces and flow measurement requirements, vertical rotor Woltman meters, with the shaft perpendicular to the water flow, were later developed. Moreover, the basic principle and structure of the Woltman water meter laid the foundation for subsequent types of turbine flow meters.
3. Global Spread and Applications
Due to its relatively simple structure, ease of installation, wide flow range, and low pressure loss, the Woltman water meter has gradually been widely used for large-diameter industrial water and municipal water supply measurement.
Since its invention at the end of the 18th century, the Woltman water meter has undergone over two centuries of technological refinement. It evolved from the original mechanical instruments into a mature device, playing a significant role in water metering worldwide. Despite the emergence of new technologies, Woltman-based water meters remain indispensable in many applications due to their proven reliability, suitability for large-diameter measurements, and compatibility with modern electronic systems.
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