ZW Series Self-Priming Sewage Pump for Industrial & Municipal Wastewater Treatment | China Sewage Pump Manufacturer
Product Description
The ZW Series Self-Priming Sewage Pump integrates self-priming and non-clogging design, combining axial reflux with outer recirculation. Capable of flows from 5 to 800 m³/h, heads of 10 to 80 m, and self-priming lift of 4.5–5.5 m, this pump handles sewage, wastewater, and mixed media reliably. Available in cast iron or stainless variants (pH 6–9 standard, 2–13 stainless option), it is efficient, easy to maintain, and ideal for municipal, industrial, and chemical environments.
🌍 Applications
- Municipal sewage discharge and stormwater drainage
- Industrial wastewater and effluent transfer
- Aquaculture & irrigation drainage systems
- Paper, textile & chemical plants for transporting mixed or slurry media
- Food processing & fiber industries
- Power plants & factory drainage systems
- Mixed suspended solids transport in municipal or industrial systems
⚙️ Technical Data
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Flow Rate | 5 – 800 m³/h | Power | 2.2 – 55 kW |
| Head | 10 – 80 m | Speed | 1,450 / 2,900 rpm |
| Self-Priming Lift | 4.5 – 5.5 m | Calibre (Inlet/Outlet) | Φ25 – Φ300 mm |
| Temperature | ≤ 80 °C | pH Range | 6 – 9 (standard) / 2 – 13 (stainless steel version) |
| Material Options | Cast iron, stainless steel | Package / Origin | Export wood case / China |
💡 Features & Benefits
- Reliable Self-Priming & Anti-Clogging — combines axial reflux and external recirculation for strong priming and solids handling
- Wide Flow & Head Range — suitable for diverse municipal and industrial applications
- Flexible Material Options — cast iron or stainless steel for broader pH compatibility
- Efficient & Energy-Saving — optimized hydraulics reduce power consumption
- Easy Maintenance — modular design facilitates quick inspection and parts replacement
- Durable Construction — designed for handling sewage and mixed solid loads
- OEM / Factory Supply — direct from manufacturer, supports customization and global shipping
❓ Frequently Asked Questions
Q1: What kinds of liquids can the ZW self-priming pump handle?
A1: It is intended for sewage, wastewater, mixed liquids with suspended solids or fibers. The stainless steel version can handle more aggressive pH ranges (2–13).
Q2: How high can it self-prime from suction side?
A2: It supports a self-priming lift of 4.5 to 5.5 meters, depending on model and conditions.
Q3: What material options are available?
A3: Standard is cast iron (pH 6–9 range). For acidic or alkaline conditions, stainless steel version is available (pH 2–13).
Q4: What is the maximum liquid temperature it can handle?
A4: The pump is rated for temperatures up to 80 °C.
Q5: Can you customize this pump for my project?
A5: Yes. As a manufacturer, we offer customization of flow rates, head, materials, seal types, and special models tailored to project needs.