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QZ and QH type submersible axial-flow pumps and submersible mixed-flow pumps
The QZ series submersible axial-flow pumps and the QH series submersible mixed-flow pumps are next-generation products meticulously designed and developed by our company, incorporating advanced technologies from both domestic and international sources and tailored to meet users’ requirements and operating conditions. Compared with previous models, these pumps deliver a 20%–30% increase in flow rate, a 3%–5% improvement in efficiency, and excellent cavitation resistance.
Category:
Axial-flow pump, mixed-flow pump
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Product Description
Product Overview of QZ and QH Submersible Axial-Flow and Mixed-Flow Pumps
The QZ series submersible axial-flow pumps and the QH series submersible mixed-flow pumps are next-generation products meticulously designed and developed by our company, drawing on advanced technologies from both domestic and international sources and tailored to meet users’ requirements and operating conditions. Compared with previous models, these pumps deliver a 20%–30% increase in flow rate, a 3%–5% improvement in efficiency, and exhibit excellent cavitation resistance.
The QZ and QH series pumps feature high single‑unit flow rates, a wide range of head capabilities, and excellent efficiency. With an integrated submersible motor–pump design that operates submerged in water, they offer advantages unmatched by conventional pump sets.
Performance and Advantages of QZ and QH Submersible Axial-Flow and Mixed-Flow Pumps
The pump features a large single-unit flow rate, a wide head range, an extensive high-efficiency operating range, high hydraulic efficiency, and stable performance.
Application Scope of QZ and QH Type Submersible Axial-Flow and Mixed-Flow Pumps
Applied in urban water supply and drainage systems, wastewater treatment, water diversion projects, agricultural irrigation and drainage, flood control and drainage, as well as power‑station circulating‑water systems and other hydraulic engineering works.
Operating conditions for QZ and QH submersible axial-flow pumps and mixed-flow pumps
Clean water and other liquids similar to clean water, with a temperature not exceeding 50°C.
Technical Parameters for QZ and QH Type Submersible Axial-Flow and Mixed-Flow Pumps
Flow rate: 450–5,000 m³/h
Head: 1–24 m
Motor power: 11–2000 kW
Diameter: 300–1600 mm
Voltage: 380 V, 660 V, 6 kV, 10 kV
Medium temperature: ≤50℃
Wenzhou
Meaning of Model Designations for QZ and QH Submersible Axial-Flow and Mixed-Flow Pumps
For example: QZ350-50G
350 – Nominal discharge diameter (mm)
QZ Submersible Axial-Flow Pump
QH Submersible Mixed-Flow Pump
50–one-tenth of the pump specific speed
G-High RPM
D-Low RPM
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