A Water Circulation Pump is a specialized centrifugal pump designed to move water continuously within a closed-loop system. Unlike a transfer pump that moves water from one location to another, a circulator is engineered to overcome the friction (head loss) of the piping to maintain a steady, pressurized flow. This is essential for ensuring that chilled water for air conditioning or hot water for domestic use is distributed evenly throughout a facility.
EKG (Malaysia) Sdn Bhd specializes in the selection, installation, and precision maintenance of industrial and commercial circulators, serving as a key partner for facilities across Selangor and the Klang Valley.
In large commercial HVAC systems, these pumps move water through the chiller and out to Air Handling Units (AHUs).
Primary Pumps: Ensure a constant flow through the chiller's evaporator to prevent freezing.
Secondary Pumps: Use Variable Frequency Drives (VFDs) to deliver water to specific zones based on real-time cooling demand.
For Water-Cooled Package Units (WCPUs), circulation pumps move water between the unit and the rooftop cooling tower to reject heat from the building.
Common in hotels and luxury apartments, these pumps ensure that hot water is immediately available at the tap, preventing water waste and improving guest comfort.
To ensure a circulation pump operates for years without failure, several critical components must be monitored:
Mechanical Seals: These prevent water from leaking along the rotating shaft. We utilize high-performance Silicon Carbide seals that withstand the chemical treatments used in industrial water loops.
The Impeller: The rotating "vanes" that move the water. We perform Dynamic Balancing to eliminate vibration and prevent "pitting" caused by cavitation.
Precision Bearings: Worn bearings are the primary cause of pump noise. We replace them with premium-grade units and perform Laser Shaft Alignment to ensure the motor and pump are perfectly synchronized.
Most older circulation pumps run at 100% speed even when the building only needs 20% cooling. We specialize in retrofitting pumps with Intelligent Controllers (VFDs), which can reduce your pumping energy costs by up to 50-80% by following the affinity laws of centrifugal flow.
Our technicians follow strict international engineering standards for every repair and installation. From torqueing flange bolts to digital vibration analysis, we ensure your high-value mechanical assets are handled with technical precision.
We don't just fix the pump; we analyze the entire system—including the electrical control panels and the plumbing integrity—to ensure the "heart" of your building beats efficiently.
A failing circulation pump can lead to hot zones, high electricity bills, or a complete system shutdown. Trust the experts at EKG (Malaysia) Sdn Bhd to keep your water moving silently and efficiently.
Is your pump making a humming noise or leaking at the seal? Contact us now for a free site assessment and a technical quote on our water circulation pump services!
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