89 — Gost 10428

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

Pumps following this standard usually follow a specific naming convention (e.g., ): ECV (ЭЦВ): Centrifugal submersible water pump. gost 10428 89

Pumps manufactured under this standard are designed for water with specific chemical and physical profiles. Limit/Value Max 1500 mg/L pH Level 6.5 to 9.5 Temperature Up to 25°C Solid Particles Max 0.01% by mass Chlorides Max 350 mg/L Sulfates Max 500 mg/L Hydrogen Sulfide Max 1.5 mg/L 🛠️ Mandatory Requirements Centrifugal water well electrically driven pump units

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

The standard strictly regulates several key factors to ensure unit reliability and performance:

Units must strictly meet the nominal values listed in the standard's tables.

The standard covers pump units with a wide performance range to accommodate various industrial and domestic water supply needs. 0.63 to 1000 m³/h. Pressure Head (H): 12 to 680 meters.