At Stonebridge Electromechanical Engineering (SEMEG), we understand the critical importance of keeping electrical and mechanical systems operating at peak performance. Our dedicated service divisions provide reliable, cost-effective, and timely solutions to maximize uptime, safety, and efficiency across all client operations.
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Repairs & Maintenance
We committed to restoring, optimizing, and extending the life of your assets.
Transformer Repairs & Refurbishment: On-site and workshop services including rewinding, oil treatment, leak sealing, and performance testing.
Preventive Maintenance: Scheduled inspections and diagnostics to detect issues before they become costly failures.
Corrective Maintenance: Rapid response to breakdowns and malfunctions for minimal downtime.
Switchgear & Substation Maintenance: Inspection, cleaning, reconditioning, and component replacement for LV and MV systems.
Sheet Metal Enclosure Repairs: Modification, reinforcement, and refurbishment of electrical enclosures, generator housings, and control panels.
Condition Monitoring: Thermal imaging, oil analysis, partial discharge testing, and electrical diagnostics to track equipment health.
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Benefits:
Expert Knowledge: Over 35 years of combined experience in transformers and electrical infrastructure.
Fast Turnaround: Dedicated teams ready to respond quickly, both locally and across borders.
Cost-Effective Solutions: Prolonging asset life while reducing unplanned downtime and replacement costs.
Safety & Compliance: All repairs and servicing are conducted to meet international standards and client-specific requirements.
Versatility: Servicing diverse sectors including power, mining, telecommunications, manufacturing, and renewable energy.
Recoating Services
SEMEG’s recoating solutions restore, protect, and extend the lifespan of transformers, enclosures, panels, and other sheet metal products exposed to harsh conditions.
Surface Preparation: Sandblasting, shot blasting, and chemical cleaning for optimal coating adhesion.
Protective Coatings: Epoxy, polyurethane, powder coatings, and weather-resistant finishes.
Corrosion Protection: Engineered solutions for coastal, industrial, and high-humidity environments.
Transformer Tank & Enclosure Recoating: Renewing insulation and structural integrity.
Custom Finishes: Branded colour schemes, smooth or textured aesthetics.
Flexible Delivery: On-site or at our Germiston facility.
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Benefits:
Extended Service Life: Protecting valuable assets from premature wear and environmental damage.
Cost-Effective: Recoating as a sustainable alternative to complete replacement.
Enhanced Safety: Maintaining insulation and corrosion protection for transformers and electrical enclosures.
Professional Finish: Improving the overall appearance of industrial and urban products.
Versatility: Applicable to a wide range of products, including transformers, panels, generator enclosures, and decorative sheet metal solutions.
Gasket Replacement
Gasket failure can lead to oil leaks, moisture ingress, and costly downtime. SEMEG provides precision gasket replacement services to maintain the safety and integrity of transformers, switchgear, and enclosures.
Transformer Gasket Replacement: Sealing tanks, radiators, and covers.
Panel & Enclosure Seals: Ensuring dustproof and waterproof protection.
Custom Gasket Fabrication: Exact-fit gaskets for specialized applications.
Material Options: Neoprene, nitrile, silicone, and other industry-grade materials.
On-Site & Workshop Services: Flexible delivery based on client needs.
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Benefits:
Leak Prevention: Avoiding costly oil loss, equipment damage, and environmental hazards.
Improved Reliability: Maintaining critical seals for consistent performance.
Extended Equipment Life: Protecting against contaminants, corrosion, and insulation breakdown.
Cost Savings: Replacing gaskets as a proactive maintenance measure reduces the risk of major failures.
Cross-Industry Application: Solutions for transformers, switchgear, generators, refrigeration units, and sheet metal enclosures.