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Variable Area Flowmeter or Rotameter Metal tube
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Meorient Import & Export Co.LTD
China - Hangzhou
Trading Company
Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
5-10人
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
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Product Specifications
--Product Description
Principle
The rotameter is an industrial flowmeter used to measure the flowrate of liquids and gases. Its operation is based on the variable area principle: fluid flow raises a float in a tapered tube, increasing the area for passage of the fluid. The greater the flow,the higher the float is raised.
The height of the float is directly proportional to the flowrate. With liquids, the float is raised by a combination of the
buoyancy of the liquid and the velocity head of the fluid.
With gases, buoyancy is negligible, and the float responds to the velocity head alone. The float moves up or down in the tube in proportion to the fluid flowrate and the annular area between the float and the tube wall.
The height of the float is directly proportional to the flowrate. With liquids, the float is raised by a combination of the
buoyancy of the liquid and the velocity head of the fluid.
With gases, buoyancy is negligible, and the float responds to the velocity head alone. The float moves up or down in the tube in proportion to the fluid flowrate and the annular area between the float and the tube wall.
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