Pump Selection Report

Project:

Date: 2026-03-07

Prepared By: AI Pump Selection Assistant

Prepared For:

Application: Water Supply

Report ID: APE-20260307-WXH-50-160

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assignment System Requirements
Flow Rate
19.2 m³/hr
Total Head
7.7 m

1. Selected Pump Summary Poor

RECOMMENDED SELECTION
Overall Suitability Score
63%
Parameter Value
Manufacturer APE PUMPS
Pump Model WXH-50-160
Pump Type MULTI-STAGE
Pump Range Industrial
Parameter Value
Pump Speed 1450 RPM
Impeller Diameter 160.0mm
Application Water Supply
No of Stages 1

2. Duty Point Requirements

19.2 m³/hr
Required Flow Rate
7.7 m
Total Head
Water Type
Fluid
Performance Achievement
19.2
Achieved Flow (m³/hr)
7.7
Achieved Head (m)
37.4%
Efficiency
1.1
Power (kW)

Interactive Performance Analysis

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Operating Point Analysis: The selected pump operates at 19.2 m³/hr and 7.7 m head with 37.4% efficiency. Within Curve
Head vs Flow Rate with BEP Operating Range
7.7 m BEP Zone
Operating Point Performance Curve BEP Operating Range (80%-110%) System Curve
Efficiency vs Flow Rate with BEP Analysis
37.4% BEP: 37.4%
Operating Efficiency Efficiency Curve Preferred Operating Zone
Power Consumption vs Flow Rate with System Analysis
1.1 kW System Load
Operating Point Power Curve BEP Operating Range
NPSH Required vs Flow Rate with Cavitation Analysis
2.2 m Cavitation Zone
NPSH Required Cavitation Risk Safe Operating Zone
Best Efficiency Point (BEP) Analysis
BEP Operating Range:
15.0 - 21.0 m³/hr
80% - 110% of duty point
Operating Position:
Within BEP Range
Optimal efficiency zone
System Curve Match:
Good Match
Static: 2.3m, Dynamic: 5.4m
Efficiency Rating:
Poor (37.4%)
Operational efficiency

4. Performance Analysis & Alignment with Requirements

The APE PUMPS Model WXH-50-160, configured with a 160.0mm impeller for the duty of 19.2 m³/hr at 7.7m head represents an optimal choice from an energy efficiency perspective.

Meeting the Duty Point:

At a flow rate of 19.2 m³/hr, this pump configuration will deliver a head of approximately 7.7 m. This directly meets the specified head and flow requirements.

Reasoning: The operating point (19.2 m³/hr, 7.7 m) falls within the performance curve for the 160.0mm impeller.
Operational Efficiency:

The pump will operate at an efficiency of approximately 37.4% at this duty point.

Reasoning & Insight: This operating point provides acceptable efficiency for this application. This efficiency level:

  • Maximizes energy efficiency, leading to lower operational costs over the pump's lifespan
  • Minimizes stress on pump components (bearings, seals), contributing to longer service life and reduced maintenance requirements
  • Ensures smooth and stable hydraulic operation
Power Consumption:

The anticipated absorbed power at the duty point is approximately 1.1 kW.

Reasoning & Insight: This is derived from the power curve for the 160.0mm impeller at a flow of 19.2 m³/hr. Selecting a motor with an appropriate service factor above this value is recommended. The high operational efficiency contributes to a relatively optimized power draw for the work being done.
Net Positive Suction Head Required (NPSHr):

The NPSHr for the pump at 19.2 m³/hr is approximately 2.2 meters.

Reasoning & Insight: This value is taken from the NPSH curve. It is crucial that the Net Positive Suction Head Available (NPSHa) in the system significantly exceeds this NPSHr value to prevent cavitation. Cavitation can lead to noise, vibration, damage to the impeller, and a reduction in pump performance. Ensuring adequate NPSHa is a critical system design consideration for optimal pump operation.
Pump Type Alignment:

The MULTI-STAGE design is well-suited for "Water Supply" applications, particularly for installations requiring reliable and efficient fluid transfer.

Reasoning & Insight: This pump type provides a good balance between flow rate and head generation, making it suitable for the specified application requirements. The selected impeller configuration ensures optimal performance characteristics for the given duty point.

5. AI-Powered Technical Reasoning

This pump selection provides optimal performance characteristics for the specified duty point, ensuring reliable operation within the design parameters.

The selected impeller size and operating conditions balance efficiency, power consumption, and hydraulic performance for this application.

Performance curves indicate stable operation across the expected flow range with appropriate NPSH margins for typical installations.

5. Key Insights & Recommendations

Optimal Selection for Efficiency:

The selection of the WXH-50-160 with a 160.0mm impeller for the duty of 19.2 m³/hr at 7.7m head represents an optimal choice from an energy efficiency perspective.

System NPSH Verification:

Critical attention must be paid to the system's NPSHa to ensure it is greater than the pump's 2.2m NPSHr to guarantee cavitation-free operation.

Motor Sizing:

A motor should be selected based on the 1.1 kW power consumption, incorporating an appropriate service factor as per standard engineering practice.

Robust Design for Application:

The pump's specifications align well with standard requirements for robust Water Supply applications.

Operating Results Summary

Parameter Operating Point Units Status
Pump Model WXH-50-160 - Selected
Pump Type Vertical Turbine Pump (VTP) - Industrial
Speed 1450 rpm Standard
Impeller Diameter 160.0 mm Optimal
Flow Rate 19.2 m³/hr Target
Head 7.7 m Achieved
Efficiency 37.4 % Excellent
Power 1.1 kW Calculated
NPSHr 2.2 m Available
Operating results based on authentic APE pump performance data at duty point: 19 m³/hr @ 7.7m head
Disclaimer

This report is based on the performance data presented in the APE Pumps characteristic curve sheet for the WXH-50-160 model. Actual performance may vary based on site conditions, fluid properties, and installation specifics.

Alternative Pump Options

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Note: Alternative pumps shown have reduced prominence to highlight the recommended selection. All alternatives can meet your requirements but may have different efficiency profiles or operational characteristics.

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