🔧 Calpeda Pump Impeller 7.50hp – Commercial-Grade Replacement Component for High-Performance Water Systems

💧 Restore Peak Performance to Your High-Capacity Pumping System

📋 Product Overview

The Calpeda 7.50hp pump impeller is a precision-engineered replacement component designed for commercial pool facilities, large luxury residential installations, and industrial water circulation systems. As the heart of your Calpeda pump, this impeller generates the powerful hydraulic action needed to move thousands of litres per hour through filtration, heating, and treatment systems.

This genuine Calpeda component ensures flawless compatibility with 7.50hp pump models, eliminating the performance compromises and potential system damage associated with generic alternatives. Manufactured to exacting tolerances using premium corrosion-resistant materials, this impeller delivers reliable, efficient operation under the demanding conditions of continuous commercial use.

Who It’s For: Commercial pool operators, aquatic facility managers, luxury spa owners, and industrial water system engineers who require maximum flow capacity and extended operational reliability from their pumping equipment.

⭐ Key Features

✅ Precision-Engineered Hydraulics – Advanced vane geometry optimizes water flow while minimizing turbulence and energy loss, delivering maximum efficiency at high flow rates

✅ Commercial-Grade Construction – Built from premium corrosion-resistant materials designed to withstand continuous operation in chemically treated water environments

✅ Dynamically Balanced Design – Factory-balanced construction eliminates vibration and ensures smooth, quiet operation even at maximum RPM

✅ Genuine Calpeda Compatibility – Manufactured to exact OEM specifications for perfect fit and optimal performance in 7.50hp Calpeda pump models

✅ Enhanced Wear Resistance – Superior material composition resists pitting, erosion, and chemical degradation for extended service life

✅ Maximum Flow Efficiency – Optimized blade profile maintains high hydraulic efficiency across the full operating range, reducing energy consumption

✅ Simplified Maintenance – Direct replacement design allows for straightforward installation during scheduled maintenance windows

✅ Temperature Tolerant – Rated for operation with water temperatures from -10°C to +90°C, suitable for both heated and unheated applications

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🔧 Technical Specifications

Specification	Detail
Model	Calpeda Pump Impeller (7.50hp)
Horsepower Rating	7.50hp (5.5kW)
SKU	6417240249
Material	High-grade corrosion-resistant composite/Cast iron GJL 200 EN 1561
Operating Speed	~2900 RPM (50Hz)
Temperature Range	-10°C to +90°C
Impeller Type	Closed-face precision vane
Compatibility	Calpeda 7.50hp pump models
Installation Type	Direct shaft-mounted replacement
Max Operating Pressure	6-10 bar (model dependent)
Finish	Corrosion-resistant treatment
Application	Commercial pools, industrial circulation, high-volume water movement
Balancing	Factory dynamically balanced
Standards Compliance	EN 1561 materials specification

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💰 Usage Costs & Running Expenses

📊 Annual Running Cost Calculation

While the impeller itself doesn’t directly consume power, replacing a worn impeller can significantly improve your pump’s energy efficiency by restoring optimal hydraulic performance.

Typical 7.50hp Pump Operation:

• Motor Power: 5.5 kW (7.50hp)
• Usage Scenario: Commercial pool – 10 hours/day, 6 days/week, year-round
• Annual Operating Hours: 10 × 6 × 52 = 3,120 hours/year
• Energy Rate: £0.26 per kWh (UK average, Q4 2025)

✅ Healthy Impeller (100% efficiency):

• Annual cost: 5.5 kW × 3,120 hours × £0.26 = £4,465 per year

❌ Worn Impeller (15% efficiency loss, requiring longer run times):

• Effective power needed: 5.5 kW × 1.15 = 6.33 kW equivalent draw
• Extended runtime compensation: Additional 30 minutes daily = 156 hours/year extra
• Annual cost: 5.5 kW × 3,276 hours × £0.26 = £4,685 per year

💵 Energy Savings from Timely Replacement: £220 per year

💡 Cost Savings Examples

📍 Scenario 1: Commercial Swimming Pool

Context: 25-meter municipal pool operating 12 hours daily, 6 days per week

Old Situation (Worn Impeller):

• ❌ Reduced flow requiring 20% longer filtration cycles
• ❌ Extended pump runtime: 14.4 hours/day instead of 12 hours/day
• ❌ Annual energy cost: 5.5 kW × 4,493 hours × £0.26 = £6,427

New Situation (Fresh Impeller):

• ✅ Restored optimal flow and pressure
• ✅ Standard runtime: 12 hours/day
• ✅ Annual energy cost: 5.5 kW × 3,744 hours × £0.26 = £5,356

💰 Annual Savings: £1,071 ⏱ Payback Period: Typically 1-3 months (impeller cost recovered through energy savings) 📈 5-Year Savings: £5,355

📍 Scenario 2: Luxury Residential Spa Complex

Context: Private spa with large pool, multiple water features, year-round operation

Comparison: Worn vs. New Impeller

❌ Degraded Performance (2-year-old worn impeller):

• Cavitation noise indicates damaged vanes
• Reduced pressure: 8 bar instead of 10 bar design pressure
• Pump struggles to maintain flow, motor works harder
• Increased vibration accelerates bearing wear
• Annual cost: Estimated 10% efficiency penalty = £4,912/year

✅ New Genuine Calpeda Impeller:

• Full design flow restored
• Pressure recovery to specification
• Smooth, quiet operation
• Reduced mechanical stress on motor and bearings
• Standard efficiency: £4,465/year

💰 Annual Energy Saving: £447 🔧 Additional Benefit: Reduced wear on motor and bearings extends overall pump lifespan

📍 Scenario 3: Industrial Water Circulation

Context: Cooling water system for manufacturing facility, continuous operation

❌ Delayed Replacement Strategy:

• Running impeller to failure
• Catastrophic failure causes 2-day emergency shutdown
• Emergency callout: £800
• Lost production value: £5,000-£15,000
• Expedited parts delivery: £150
• Total incident cost: £5,950-£15,950

✅ Preventive Replacement Strategy:

• Scheduled impeller replacement every 18-24 months
• Replacement during planned maintenance window
• Zero unplanned downtime
• Maintained optimal efficiency
• Scheduled maintenance cost: Impeller cost + routine labor (already budgeted)

💵 Risk Avoidance Value: £5,000-£15,000 per avoided failure event

🎯 Real World Examples & Applications

🏊‍♂️ Commercial Swimming Pools

Large municipal and private pools where consistent water circulation is critical for water quality and bather safety. The 7.50hp impeller handles flow rates of 80-120 m³/h, making it ideal for pools up to Olympic size. Maintains filtration turnover rates required by health regulations, typically requiring complete pool volume circulation every 4-6 hours.

Performance Expectations: Delivers 25-30 meters of head pressure, suitable for systems with elevated filtration equipment or water features requiring significant vertical lift.

🛁 Luxury Spa & Wellness Centers

High-end facilities with multiple spa pools, hydrotherapy equipment, and water feature systems. The impeller’s robust construction handles the demands of multiple zone valving and variable flow requirements inherent in complex spa installations.

Maintenance Considerations: Regular inspection every 12 months recommended due to continuous operation. Chemical balance monitoring essential to maximize impeller lifespan.

🌊 Water Park & Aquatic Facilities

Wave pools, lazy rivers, and activity pool systems where high-volume water movement is essential. The 7.50hp impeller provides the power needed for large-volume circulation while maintaining energy efficiency.

Typical Installation: Often paired with multi-speed motors for variable flow control, allowing adjustment of circulation rates based on bather load and time of day.

🏢 Commercial & Industrial Applications

Manufacturing cooling systems, process water circulation, and large-scale water treatment facilities. The impeller’s commercial-grade construction tolerates industrial duty cycles and varied water chemistry.

Reliability Focus: Preventive replacement intervals based on operating hours minimize costly unplanned downtime in production-critical applications.

🔄 System Upgrades & Retrofits

Replacement of worn components in aging pumping systems to restore original performance specifications. Upgrading from damaged or incorrect impellers resolves chronic low-pressure and inadequate flow issues.

Common Upgrade Scenarios: Replacing damaged impellers after debris ingestion events, addressing erosion damage in high-sediment water sources, or correcting installations where incorrect impeller sizes were originally fitted.

🏆 Why Choose This Calpeda Impeller

✅ Genuine OEM Quality – Factory-specification component ensures perfect compatibility and optimal performance with Calpeda pump housings and drive systems

✅ Proven Commercial Reliability – Designed and tested for demanding continuous-duty applications where downtime is unacceptable

✅ Energy Efficiency Restoration – Replacing a worn impeller immediately restores hydraulic efficiency, reducing energy consumption and operational costs

✅ Extended Equipment Lifespan – Proper impeller condition reduces mechanical stress on motor bearings, seals, and drive components

✅ Professional Performance – Precision manufacturing ensures smooth, vibration-free operation and consistent pressure delivery

✅ Cost-Effective Maintenance – Replacing the impeller is significantly more economical than full pump replacement while delivering comparable performance restoration

✅ Technical Support Available – Backed by Calpeda’s engineering expertise and comprehensive technical documentation

✨ Summary

The Calpeda 7.50hp pump impeller represents a precision-engineered solution for restoring peak performance to commercial and high-capacity residential water circulation systems. Built to exacting OEM specifications from premium corrosion-resistant materials, this component delivers the reliability and efficiency demanded by professional aquatic facilities and industrial applications.

Timely impeller replacement protects your investment in pumping equipment by maintaining optimal hydraulic efficiency, preventing costly emergency failures, and reducing energy consumption. Whether you’re managing a municipal pool, operating a luxury spa, or maintaining industrial water systems, this genuine Calpeda impeller ensures your pumping equipment operates at design specification for years of reliable service.