About this document
Pressure Loss - 820 en by Hafi Uddin is a document available to read on EtoBox.
The document provides Zeta and Kv values for Butterfly Valves Series 820 across various opening angles and diameters (DN32 to DN1600). Zeta values indicate the pressure loss coefficient, while Kv values represent the actual flow of water creating a pressure loss of 1 bar. Definitions and formulas for calculating these values are included, along with notes on value uncertainty based on EN1267.
- Author
- Hafi Uddin
- Language
- EN