Wafer-Cone Products
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The Most Versatile DP Meter Available

The Wafer-Cone uses the same revolutionary flow measurement principles found in the V-Cone flowmeter but offers even greater installation flexibility and economy. Like the V-Cone, it 'conditions' the flow prior to measurement so little or no upstream or downstream piping runs are required. This makes it ideal for tight-space installations and retrofits.

The Wafer-Cone is a flangeless design, with the flow element contained in a short meter section that bolts between two flanges. This allows the flow element to be replaced easily to accommodate changing flow conditions. It can also be machined in different materials, including corrosion-resistant plastics and metals.

The Wafer-Cone delivers the same high accuracy and repeatability, ease of installation and maintenance as the V-Cone. No recalibration is required and there are no moving parts to maintain.

The flowmeter has proved successful in the oil and gas, chemical, hydrocarbon, water and wastewater industries. Its exceptional flexibility, combined with high performance, makes it the perfect, low-cost solution to your toughest flow measurement problems.

How it Works

The Wafer-Cone works on the same operating principle as the V-Cone. It is a differential pressure type flowmeter with a unique design that conditions the flow prior to measurement.

  • Differential pressure is created by a cone placed in the center of the pipe.
  • The cone is shaped so that it “flattens” the fluid velocity profile in the pipe, creating a more stable signal across wide flow downturns.
  • Flow rate is calculated by measuring the difference between the pressure upstream of the cone at the meter wall and the pressure downstream of the cone through its center.

Specifications

The Wafer-Cone is an advanced differential pressure flowmeter, similar to the V-Cone but offering greater installation flexibility and economy. Here are the product specifications and design features for the Wafer-Cone:

  • Accuracy of up to +/-0.5% of actual flow
  • Repeatability of +/-0.1%
  • Rangeability of 10:1 or greater
  • Standard beta range from 0.45 to 0.85
  • Low headloss
  • Interchangeable cone elements for different flow ranges
  • Only 1-3 diameters upstream, 1 diameters downstream required
  • Sized and fluid calibrated for customer application
  • No moving parts
  • No welding on pressure vessel
  • ASME B31.3 construction available
  • Line sizes from 0.5" to 6"
  • Options: gas or oil flow calibration
 

 

GREAT PLAINS METER INC.