Gost 10428 89 -

): Appendix 1 provides data for the permissible cavitation reserve at nominal modes. 🔍 How to Read the Model Codes

Centrifugal water well electrically driven pump units. Basic parameters and dimensions. Effective Date: July 1, 1990. Status: Active (Current). Replaces: GOST 10428-79. gost 10428 89

Defines minimum energy efficiency levels for different pump sizes. Cavitation Margin ( Δhdelta h ): Appendix 1 provides data for the permissible

The minimum well casing diameter in inches (multiply by 25 for mm). 10: Rated flow rate in m³/h. 80: Rated pressure head in meters. Effective Date: July 1, 1990

USSR Ministry of Chemical and Petroleum Engineering. ⚙️ Technical Specifications

Versions for Temperate (U) and Tropical (T) climates according to GOST 15150 . 💧 Water Quality Requirements

is the active state standard in the Russian Federation and CIS countries for centrifugal submersible electric water pumps used in wells. It defines the core technical parameters, dimensions, and operating requirements for these units, commonly known by the series designation ECV (ЭЦВ) . 📋 Standard Overview