High-Pressure Centrifugal Pump
Heavy-Duty Industrial High-Pressure Centrifugal Pump
Engineered for continuous-duty industrial fluid systems requiring elevated head performance, strict hydraulic stability, and extended Mean Time Between Failures (MTBF). Built for heavy process plants, energy infrastructure, and high-pressure fluid transfer.
Technical Specifications & Performance Matrix
|
Model Series |
Flow Rate Range (Q) |
Max Head (TDH) |
Speed Range |
Max Working Pressure |
Operating Temp. Limit |
|
HCP-M (Multi-stage) |
10 - 300 m3/h |
Up to 800 m |
1450 / 2900 RPM |
8.0 MPa (80 bar) |
-20°C to 180°C |
|
HCP-V (Vertical High-P) |
5 - 150 m3/h |
Up to 600 m |
2900 / 3500 RPM |
6.4 MPa (64 bar) |
-15°C to 120°C |
|
HCP-H (Heavy Industrial) |
50 - 800 m3/h |
Up to 500 m |
1480 / 2950 RPM |
5.0 MPa (50 bar) |
-30°C to 220°C |
Material Metallurgy & Precision Manufacturing
Reliability under high differential pressure relies entirely on material integrity and strict machining tolerances.
Casing & Impeller Metallurgy: Available in ASTM A743 CF8M (316 Stainless Steel), ASTM A216 WCB (Cast Carbon Steel), and Duplex Stainless Steel (ASTM A890 4A/5A) for aggressive media. Impellers are precision investment cast and dynamically balanced to ISO 1940 Grade 2.5 to eliminate high-speed vibration.
Shaft & Bearing Assembly: Heavy-section forged shafts (AISI 4340 / 4140) ground to sub-micron tolerance prevent shaft deflection under peak loads. Supported by heavy-duty SKF/FAG deep groove ball bearings and cylindrical roller bearings, oil-lubricated via constant-level oilers.
Shaft Sealing Systems: Standardized seal chambers accept cartridge mechanical seals conforming to API 682 guidelines. We configure single, tandem, or dual pressurized flush plans (API Plan 11, 21, 32, 53A) based on fluid toxicity and temperature.
Quality Control (QC) & Testing Protocols
CNC Machining: Casing bores, volutes, and multi-stage mating faces are machined on 4-axis CNC horizontal boring mills, maintaining coaxiality within 0.02 mm across all stages.
Non-Destructive Testing (NDT): Pressure-containing castings undergo hydrostatic testing at 1.5x the maximum allowable working pressure (MAWP). Dye penetrant inspection (PT) verifies all welded seams and critical machined joints.
In-House Performance Testing: Every assembled pump is tested on a closed-loop computerized test bench conforming to ISO 9906 Grade 1B/2B. We record head, flow, power, NPSHr, and vibration velocity simultaneously.
Field Application & Proven Reliability
Core Applications:
Boiler Feed Water Systems: Continuous thermal stability for steam generation plants up to 180°C.
Oilfield Water Injection: Secondary oil recovery operations requiring sustained high discharge against subterranean formation resistance.
Industrial Descaling: Consistent high-velocity jet output for steel mill scale removal.
Engineer's RFQ Checklist & Documentation
To accelerate technical review and 3D CAD model generation, please include the following parameters in your RFQ:
Fluid Properties: Specific gravity, viscosity, vapor pressure, and chemical composition (including solid particle size if applicable).
Duty Point: Required flow rate (Q) and Total Dynamic Head (TDH).
Suction Conditions: Net Positive Suction Head Available (NPSHa).
Driver Specifications: Motor voltage, frequency, explosion-proof rating (ATEX / IECEx / Class I Div 2), and enclosure type.
Standard Documentation Package Included With Shipment:
• ISO 9906 Hydraulic Performance Test Report
• Material Test Reports (MTR per EN 10204 3.1)
• Dynamic Balancing & Hydrostatic Test Records
• 18-Month Operational Warranty
Technical FAQ
Q: What is the standard lead time for high-pressure configurations?
A: Standard setups with cast iron or 304/316 stainless steel wetted parts require 4 to 6 weeks from drawing approval. Custom alloy builds (e.g., Duplex 2507) or API 610 compliant units require 10 to 14 weeks due to specialized casting and NDT requirements.
Q: How is axial thrust mitigated in your multi-stage pumps?
A: Axial thrust is balanced via back-to-back impeller staging, precision balance drum mechanisms, and heavy-duty angular contact thrust bearings that absorb residual hydraulic loads across the entire performance curve.
Q: What is the maximum operating temperature without auxiliary cooling?
A: Standard configurations handle fluid temperatures up to 80°C using standard grease lubrication. For fluids between 80°C and 220°C, we integrate forced-circulation bearing housing cooling jackets (water-cooled brackets) and high-temperature mechanical seals.
Q: Can these pumps handle fluids containing suspended solids?
A: Centrifugal pumps require clean or lightly contaminated liquids. If suspended solids exceed 50 ppm or particle sizes exceed 0.2 mm, a secondary flush plan (API Plan 32) or hard-faced mechanical seals (Silicon Carbide vs. Tungsten Carbide) must be specified.
Q: Are performance test certificates provided prior to shipment?
A: Yes. Every pump ships with an individual ISO 9906 hydraulic performance test report, material test certificates (MTRs per EN 10204 3.1), and dynamic balancing records. Certified Witnessed Performance Testing (FAT) is available upon request.
Q: What mechanical seal flushing plans are supported?
A: The standard stuffing box accommodates API 682 seal chambers. We routinely configure API Plan 11 (flush from discharge to seal chamber), API Plan 21 (flush through an orifice and cooler), and dual pressurized plans (Plan 53A) for hazardous or toxic fluids.
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