Vertical Turbine Pump
Heavy-Duty Vertical Turbine Pumps (API 610 / AWWA E101 Compliant)
Engineered for deep-well extraction, municipal water supply, and high-capacity industrial fluid transfer. Built with multi-stage centrifugal hydraulics and rigid column assemblies to minimize shaft deflection under severe hydraulic loads.
Technical Specifications & Hydraulic Range
Every vertical turbine pump is configured based on your specific duty point to ensure operation near the Best Efficiency Point (BEP), reducing lifecycle energy consumption and mechanical stress.
|
Flow Rate Capacity |
Up to 15,000 GPM (3,400 m3/h) |
|
Total Head |
Up to 1,500 ft (450 m) per unit configuration |
|
Temperature Range |
-20C to 120C |
|
Discharge Sizes |
4 inches to 24 inches |
|
Drive Options |
Vertical Hollow Shaft (VHS) Electric Motor or Right-Angle Gear Drive for diesel engine coupling |
Metallurgy & Material Selection
Material selection is dictated by pumped fluid chemistry, solid content, and corrosion potential. Standard and heavy-duty alloy options are CNC-machined from certified mill test reports (MTR).
|
Component |
Standard Material |
Corrosive / Marine Duty |
|
Impeller |
ASTM B584 C90700 (Tin Bronze) |
ASTM A890 Grade 5A (Duplex SS) |
|
Bowl Assembly |
ASTM A48 Class 35B (Cast Iron) |
ASTM A743 CF8M (316 Stainless Steel) |
|
Line Shaft |
AISI 416 Stainless Steel |
UNS S31803 / 17-4PH |
|
Column Pipe |
ASTM A53 Gr. B Carbon Steel |
ASTM A312 TP316 / Fusion Bonded Epoxy Coated |
Manufacturing & Quality Control
Precision alignment of multi-stage column shafts requires strict machining tolerances to prevent dynamic imbalance during long-term operation.
Shaft Straightness Control: Total Indicated Runout (TIR) held within 0.05 mm across a 3-meter span.
CNC Machining: Bowl assemblies and impellers machined on 5-axis CNC vertical turning centers to maintain hydraulic profile accuracy.
Dynamic Balancing: All impellers dynamically balanced to ISO 1940 Grade 6.3 standards prior to assembly.
Hydrostatic Testing: Casing and discharge heads tested at 1.5 x maximum allowable working pressure (MAWP) per Hydraulic Institute (HI) standards.
Performance Testing: In-house closed-loop test bench measures head, flow, power input, and vibration signatures per ISO 9906 Grade 1B.
Application Suitability
Vertical turbine pumps are specified when suction lift limitations prevent the use of horizontal centrifugal pumps.
Raw Water Intake: Deep wells, rivers, and municipal reservoirs.
Power Generation: Condenser cooling water circulation and auxiliary cooling loops.
Industrial Process: Petrochemical process water boosting and offshore platform firewater systems.
Mining & Drainage: Open-pit dewatering and slurry-free mine sump drainage.
Frequently Asked Questions
Q: How do I determine the correct bowl assembly diameter for my well casing?
A: The outer diameter (OD) of the pump bowl assembly must be at least 1 inch smaller than the inner diameter (ID) of the well casing or borehole to ensure safe installation and prevent fluid friction constriction during operation. Provide your borehole ID and target flow rate; our engineering team will select the matching bowl series.
Q: How is axial thrust managed in multi-stage vertical turbine pumps?
A: For pumps with discharge heads up to 50 ft, hydraulic axial thrust is typically supported by the hollow shaft electric motor bearings. For deeper settings exceeding 50 ft, internal thrust bearings within the pump discharge head or solid-shaft motor thrust bearings are integrated to absorb cumulative downward hydraulic loads from the impellers and rotating shaft assembly.
Q: What is the standard lead time for custom material configurations (e.g., Duplex Stainless Steel)?
A: Standard cast iron and bronze fitted pumps ship in 6 to 8 weeks. Configurations requiring special alloys such as ASTM A890 Grade 5A duplex stainless steel or super duplex require 12 to 16 weeks, dependent on raw material mill certification and foundry scheduling.
Q: Do these pumps comply with API 610 or AWWA standards?
A: Yes. Our product lines are divided by application standards. We supply API 610 (OH3/VS1/VS6 configurations) for oil, gas, and heavy refinery services, and AWWA E101 for municipal deep-well water supply systems. Specify your required standard during the RFQ stage.
Q: What type of lubrication is used for line shaft bearings?
A: We offer both oil-lubricated and water-lubricated column configurations. Water-lubricated systems use the pumped liquid with cutless rubber or synthetic bearings (ideal for clean water). Oil-lubricated systems utilize an enclosed line shaft tube flushed with filtered oil, recommended for sandy water or intermittent operation.
Q: What documentation is provided with shipment?
A: Each pump shipment includes certified material test reports (MTRs) for wetted parts, dynamic balancing certificates, hydrostatic test logs, ISO 9906 performance test curves, and a comprehensive Operation & Maintenance (O&M) manual containing assembly cross-sections and recommended spare parts lists (RESL).
Request a Custom Hydraulic Selection & Quote
To evaluate your duty point and secure compliant engineering submittals for your project, please provide your operating parameters below. (Third-Party Inspection such as SGS or BV is fully supported upon request).
RFQ Data Requirements:
• Required Flow Rate (m3/h or GPM)
• Total Dynamic Head (m or ft)
• Liquid Characteristics (Temperature, pH, Solid Content, Specific Gravity)
• Borehole Inner Diameter or Sump Dimensions
• Applicable Design Standard (API 610 / AWWA E101)
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