Horizontal Multistage Centrifugal Pump
Product Description
The horizontal multistage centrifugal pump generates high head by arranging multiple impeller stages in series, each stage adding pressure to the flow, which makes it a strong solution for high-head cryogenic transfer, pipeline boosting and vaporizer feed. The horizontal layout is well suited to installations with headroom or access constraints, and the stage count is customized to the required density and pressure profile. The pump handles LNG, liquid nitrogen, liquid argon, ethylene, LPG and ethane at temperatures from -196°C to -20°C, delivering flows from 0.5 m³/h up to 2,500 m³/h and heads up to 2,600 m. The horizontal configuration also simplifies alignment between the pump and driver on the baseplate, and the multistage design allows the pressure profile to be built up stage by stage, matching the requirements of long transfer lines. Bearings and seals are selected for the specific head and flow combination so that thrust loads remain within design limits. The machine is therefore a practical choice for pipeline boosting and vaporizer feed duties where the required head is beyond a single-stage machine.
Multistage machines live or die by hydraulic accuracy and axial thrust management, so our manufacturing flow combines precision-machined impellers and diffusers with an integrated balancing device that manages residual axial thrust and protects bearings and seals. Every pump is 100% performance-tested on our in-house cryogenic test benches, and complete performance curves and a detailed test report are delivered with the unit. Our 20,000 m² facility in Hangzhou's Fuyang district and engineering team with advanced degrees in cryogenic fluid dynamics support stage configuration, hydraulic design and commissioning. Axial thrust is managed with an integrated balancing device, and residual thrust is verified in the performance test rather than only by calculation. For plants with existing baseplates or coupling arrangements, the interface can be engineered to match, and complete technical documents are delivered with the machine. Our engineering team supports stage configuration and hydraulic design from your duty point, and commissioning guidance is provided according to the contract.
Specifications
|
Parameter |
Specification |
|
Flow Rate |
0.5 – 2,500+ m³/h |
|
Head Range |
2 – 2,600 m |
|
Media |
LNG, liquid nitrogen, liquid argon, ethylene, LPG, ethane |
|
Structure |
Horizontal barrel multistage centrifugal |
|
Materials |
Stainless steel, copper alloys, forged aluminum |
|
Operating Temperature |
-196°C to -20°C |
Applications
Pipeline boosting
Sustained high-head boosting of cryogenic liquids over long transfer distances.
Vaporizer feed systems
Stable pressure supply to high-pressure vaporizers and downstream gas systems.
LNG peak-shaving stations
High-head transfer and circulation in stations with limited floor space.
Customization
Number of stages, impeller hydraulics, bearing configuration and connection interfaces are tailored to the duty point. Drawing-based manufacturing, prototype evaluation and OEM cooperation are available.
one-stop solution
professional team
high quality
Packaging & Transportation
Export packaging uses dedicated wooden crates with moisture, rust and shock protection, with internal parts fixed for shipment. FCA or FOB are offered; other terms evaluated per destination. Custom-engineered pumps have a typical lead time of 32 weeks from technical approval.
FAQ
Q1. How is the number of stages determined?
The stage count is calculated from the required flow, liquid density and target head so that each stage operates within its efficient hydraulic range.
Q2. Do you provide complete test data?
Yes, every pump is 100% performance-tested on our cryogenic bench; you receive complete performance curves and a detailed test report covering flow, head, NPSH and vibration.
Q3. Can the pump be built from our drawings?
Yes, subject to an engineering review that confirms manufacturability, materials, tolerances and inspection requirements before production.
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