Valve Flow Characteristics
The valve flow characteristics are used to determine the full range of flow coefficients and valve positions.
* Characteristic curve: This determines the flow characterization of the valve. Options include Equal Percentage, Linear, Modified Equal Percentage, Modified Linear, and Quick Opening. Refer to the Figure for a graphic representation of valve opening vs. fr
The valve flow characteristics are used to determine the full range of flow coefficients and valve positions.
* Characteristic curve: This determines the flow characterization of the valve. Options include Equal Percentage, Linear, Modified Equal Percentage, Modified Linear, and Quick Opening. Refer to the Figure for a graphic representation of valve opening vs. fr
action of full flow for each of these curves.
* Valve position: Specify the valve position (in percent or degrees) at which your single flow coefficient is determined. Most manufacturers will at least give one Cv or Kv value at the fully open position (100% or 90 degrees).
* Flow Coefficient Cv (or Kv): the Cv or Kv value at the given valve position.
* Valve position: Specify the valve position (in percent or degrees) at which your single flow coefficient is determined. Most manufacturers will at least give one Cv or Kv value at the fully open position (100% or 90 degrees).
* Flow Coefficient Cv (or Kv): the Cv or Kv value at the given valve position.
No comments:
Post a Comment