F700 VENTURI TUBE

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Hersteller WISE-CONTROL


Voluntary / D of C ( GOST-R )

The Venturi tube is characterized by its tapered inlet and diverging outlet. This design greatly reduces head loss to the system when compared to an orifice plate. In fact- the Venturi can handle 25% to 50% more flow than an orifice for comparable larger line size and lower head loss- The Venturi is well suited for dirty fluids. There are no places for dirt to build up in the tube. Traditionally- the Venturi tube has been used on low pressure gas flow- water and waste applications. Venturi tubes are generally constructed with the system of pressure taps which project redially into the pipe and feed into a common camber known as a piazometer ring. This multiple tap arrangement provides an average pressure reading over the entire circumference of the element. As a result- the need for a long pipe runs is eliminated. A general rule is that a venturi tube requires oniy half the upstream and downstream runs of an orifice plate. The discharge coefficient of the Venturi is constant and predictable to ??1% for pipe Reynolds numbers greater than 100-000 Venturi elements are not as reliable at lower Reynolds numbers(Figure10). The Venturi tube is a relatively high cost device. However- low pumping costs and reduced piping requirements can make it cost effective.


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Datasheet: F700.pdf

F700 VENTURI TUBE
Voluntary / D of C ( GOST-R )



Description
The Venturi tube is characterized by its tapered inlet and diverging outlet. This design greatly reduces head loss to the system when compared to an orifice plate. In fact- the Venturi can handle 25% to 50% more flow than an orifice for comparable larger line size and lower head loss- The Venturi is well suited for dirty fluids. There are no places for dirt to build up in the tube. Traditionally- the Venturi tube has been used on low pressure gas flow- water and waste applications. Venturi tubes are generally constructed with the system of pressure taps which project redially into the pipe and feed into a common camber known as a piazometer ring. This multiple tap arrangement provides an average pressure reading over the entire circumference of the element. As a result- the need for a long pipe runs is eliminated. A general rule is that a venturi tube requires oniy half the upstream and downstream runs of an orifice plate. The discharge coefficient of the Venturi is constant and predictable to ??1% for pipe Reynolds numbers greater than 100-000 Venturi elements are not as reliable at lower Reynolds numbers(Figure10). The Venturi tube is a relatively high cost device. However- low pumping costs and reduced piping requirements can make it cost effective.
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