Model NO.: ZLH
Position of Pump Shaft: Horizontal Pump
Pump Casing Combined: Elbow Casing
Mounting Height: Suction Centrifugal
Impeller: Axial Type
Usage: Pump, Pumps, Circulating Pump, Evaporation Pump
Materials: SS304, SS316, SS316L, Titanium, Monel, 2205, CD4MCU
Manufacturer Level: Top Level
Shaft Sealing: Mechanical Seal and Packing
Pump Arrangement: Pipe Hung, Horizontal
Pump Transmission: Direct Coupled, Gear Box, V-Belts, Universal Joint
Flange Standard: Customized
Motor Brand: ABB, Siemens or Reputed Chinese Brands
Pump Bearing: SKF, NSK or Reputed Chinese Brands
Trademark: Gaofeng
Transport Package: Standard Seaworthy Packing
Specification: Big flow and low head
Origin: China
HS Code: 8413709990
Brief Introduction:The ZLH series axial flow pump is also known as the salting-out axial flow pump and low-temperature crystallization axial flow pump. It is a core equipment in China's combined soda process, renowned for its comprehensive specifications, large flow rate, and largest diameter. The impeller and elbow passage are optimized to enhance performance and efficiency. Thanks to technologies like adjustable impellers, low linear speed, butt welding shafts, and reliable operation, the ZLH series has won the second prize for technological progress from the China Soda Ash Industry Association.
Parameters:
Flow Rate: | Q=300~8000 (m³/h) |
Total Head: | H=1~6 (m) |
Speed: | n=180-1450 rpm |
Fluid Temperature: | T=0~50ºC |
Fluid Specific Gravity: | γ ≤1.4 |
Features:
- Optimized elbow passage for better hydraulic performance.
- Adjustable impeller with high efficiency and wide efficient zone.
- Low-speed design that meets the needs of salting out and low-temperature crystallization.
- Cost-effective butt-welding technology for both strength and corrosion resistance.
- Used in 95% of combined soda processes in China, with proven success across a wide range of flow rates (from 300 m³/h to 8000 m³/h).
- Special design for different applications such as increasing system pressure, raising liquid level, or forced circulation.
- ZLH series is a vertical axial flow pump designed for vertical installation, requiring minimal floor space.
- The pump impeller is immersed in the fluid, allowing direct start without the need for priming or vacuum pumping.
- Simple structure and easy maintenance.
- Available with direct coupling or gear box transmission.
- Dynamic sealing combined with packing for reliable shaft sealing.

Application:
- Suitable for applications with large flow and low total head.
- Capable of pumping clean water, sewage with small particles, and chemical process fluids with small particles.
- Especially suitable for salting-out and low-temperature crystallization in the combined soda process.

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