HVAC Pump Mechanical Seal Repair | Precision Leak Prevention by EKG (Malaysia) Sdn Bhd
Stop Leaks, Restore Efficiency, Prevent Costly Damage
A leaking mechanical seal is the most common cause of HVAC pump failure, leading to water damage, lost refrigerant, reduced system efficiency, and accelerated bearing wear. EKG (Malaysia) Sdn Bhd provides expert mechanical seal repair and replacement services, using precision techniques and high-quality seals to restore pump integrity, ensure reliable operation, and protect your building systems from moisture-related damage.
Abrasion & Wear: Grit, scale, or debris in the water scoring the seal faces.
Dry Running: Pump operating without water, causing instant overheating and cracking of seal faces.
Misalignment: Pump or motor misalignment creating excessive vibration and uneven seal wear.
Cavitation: Air bubbles imploding near the seal, causing pitting and erosion.
Chemical Attack: Incorrect seal material for the water chemistry (pH, treatment chemicals).
Age & Fatigue: Elastomers (O-rings, gaskets) hardening and losing elasticity over time.
Diagnosis & Inspection:
Identify the root cause of the leak (e.g., worn faces, cracked ceramic, failed elastomers).
Inspect the pump shaft for scoring or wear at the seal contact point.
Check for system issues (clogged strainers, air in system) that caused the failure.
Precision Disassembly & Cleaning:
Careful removal of the old seal assembly.
Thorough cleaning of the seal chamber and shaft to prevent new seal contamination.
Correct Seal Selection & Installation:
Selecting the correct seal type (e.g., cartridge, pusher), material (carbon/ceramic, silicon carbide), and elastomer (EPDM, Viton) for your specific pump and fluid.
Precision installation using proper tools to avoid damage, ensuring correct spring tension and face alignment.
System Correction & Reassembly:
Addressing the root cause (e.g., aligning pump, cleaning system).
Reassembling the pump with new gaskets and lubricated O-rings as needed.
Testing & Verification:
Pressure testing the system.
Running the pump and monitoring for leaks, vibration, and performance.
Cartridge Seals: Pre-assembled for easier, more accurate installation. Ideal for most HVAC repairs.
Component Seals: Traditional seals requiring precise setting during installation.
Double/Dual Seals: For applications requiring a barrier fluid or extra containment.
Industry-Specific Seals: For high-temperature, abrasive, or chemically treated water.
We will recommend the most cost-effective solution:
Repair is Viable: If the pump shaft is in good condition, the failure is isolated to the seal, and the pump has significant remaining service life.
Replacement is Advised: If the shaft is scored, the pump is old and inefficient, or repeated seal failures indicate a chronic system problem.
HVAC Pump Specialists: We understand the operating environment and common failure modes of HVAC pumps.
Quality Parts: We use OEM-equivalent or superior seals from reputable manufacturers.
Precision Workmanship: Our technicians are trained in proper seal installation techniques—the leading cause of premature seal failure is improper installation.
System-Wide Approach: We fix the cause, not just the symptom, to prevent rapid re-failure.
Warranty on Work: We guarantee our seal repair labor and parts.
Ensure proper pump alignment during installation and after any maintenance.
Maintain clean system water with proper filtration and treatment.
Prevent pump operation in a dry state.
Schedule regular vibration analysis to detect misalignment early.
Stop the Drip Before It Becomes a Flood
A small leak can lead to major damage. Contact us for a fast, professional repair.
Contact EKG (Malaysia) Sdn Bhd today for immediate leak diagnosis or to schedule preventive seal inspection and replacement.
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