Proven Solutions to Specific Maintenance Problems in Electrical Distribution North American HQ , Miami , USA European HQ , Harrogate , UK Chinese HQ , Hong Kong Asia-Pacific HQ , Sriracha, Thailand Canada HQ , Toronto, Canada Belzona International Distributors • Over 140 Belzona Distributors Worldwide • Belzona Represented in more than 120 Countries Servicing Your Needs • Fully Trained Consultants • Approved Contractors • Customer Training • On Site Supervision • 24 Hours a Day • 7 Days a Week Belzona Product Range Belzona 1000 Series Belzona 4000 Series Metallic Polymers Magma Polymers Belzona 2000 Series Belzona 5000 Series Elastomeric Polymers Barrier Polymers Belzona 3000 Series Belzona 8000 Series Polymeric Membranes Maintenance Systems Belzona can provide solutions to common problems found in Substations including: Transformer Leaks Insulator Damage SF6 leaks Facilities Maintenance Transformer Leaks Due To : • Water contamination • Internal and external corrosion • Impact and abrasion damage • Coating Breakdown Conventional Solutions Clamps Welding Conventional putty - Costly and not always available for geometry - Hot work / draining issues – not online repair - Poor adhesion & compressive strength Leaking Transformer Fins Company Wind Farm, UK Problem Lower edge of fins on oil filled transformer corroded and starting to leak. Problem caused by sheep rubbing against fins, damaging paint system. Application Details Application was carried out in accordance with Belzona Know-How System Leaflet TCC-1. Pre-formed doubler plates were bonded over the corroded areas after manual surface preparation Leaking Transformer Flanges Company Power Plant, West Tennessee USA Problem Leaking flanges created an environmental hazard and the transformer could not be drained for repair. Application Details The application was carried out using a modified Belzona Know-How System Leaflet GSS-4, temporarily stopping the leak with Belzona1831 before encapsulating the flange with a Belzona 2000 series elastomer. Leaking Transformer Fins Company National Grid, UK Problem Oil Leaks at bolted flanges resulting in contamination and slip hazards Application Details Application was carried out in accordance with Belzona Know-How System Leaflet VPF-11a. All works were carried out without the need to drain down the transformer Featured Product Product Adhesion of Belzona® 1831 on Oily Steel Belzona 1831 Manually abraded steel Features Optimised for adhesion to less than optimally prepared surfaces, displaces oil and water Grit-blasted steel Oily Dry Benefits Reduced need for optimal preparation of surfaces, allowing easier and effective repairs in-situ. No necessity to drain down equipment prior to repair. 0 500 1000 1500 Tensile Shear Adhesion, psi 2000 2500 Belzona Solutions for Transformer Oil Leaks • No hot work required • On-line repair - no need to drain • No galvanic effects • High adhesion to a huge range of materials • Surface tolerant • High compressive strength • No shrinkage • Simple and safe to use • Environmentally friendly • Rapid turnaround • Turnkey Solution A Cost Effective Alternative Solution to Sealing Leaking Transformers SF6 Leaks Due To : • Water contamination • Internal and external corrosion • Aging of gaskets • UV Deterioration of mastics Conventional Solutions New gasketing Mastic Sealant Conventional putty - Shutdown of equipment required - Ineffective and short term - Poor adhesion & compressive strength Leaking Switchgear Flanges Company Electric Distributor, Australia Problem SF6 leaking through flanges due to failure of original mastic sealant Application Details Following removal of the failed system by grit blasting, a Belzona 1000 series system was used to seal the flange joint. Leak detection proved success of the repair and resulted in a further 515 flanges being sealed. SF6 Leaks through Flanges Company Hydroelectric facility, BC Canada Problem Leaking joints were resulting in regular refilling of the SF6 gas. Application Details Application was carried out in accordance with Belzona Know-How System Leaflet GSS-4. Injection methods were used to force the Belzona 2000 series Elastomer between the flanges. The repair has been in service for over 10 years and numerous repairs have been done. SF6 Leaks on Circuit Breakers Company Power Company, UK Problem SF6 leaks at porcelain insulator bush seal to circuit breaker Application Details After completion of surface preparation to both the aluminium and porcelain the junction was sealed using the fast curing Belzona 2311 system. Featured Product Product Belzona 2211 MP-Hi-Build Elastomer Features Elongation under ASTM D412 is typically 700% and in addition Belzona 2211 has excellent adhesion Benefits Being optimised for flexibility to bridge moving surfaces whilst maintaining high adhesion allows the system to absorb small movements of flanges etc without loss of sealing Belzona Solutions for SF6 Leaks • No requirement for Depressurisation • High adhesion to a huge range of materials • Surface tolerant • Flexible • High compressive strength • No shrinkage • Simple and safe to use • Environmentally friendly • Rapid turnaround • Turnkey Solution A Cost Effective Alternative Solution to Sealing Leaking SF6 gas Porcelain Insulator Damage Due To : • Rough Handling • Impact Damage • Vandalism • Flashover Conventional Solutions Replacement Conventional putty - Lead Time Issues - Poor adhesion Repair of Broken Insulators Company Power Distribution company, France Problem Damage to insulator preventing safe performance Application Details Moulds were made for the Insulators using Belzona 2200 series Elastomers, before casting and bonding the new profile using Belzona 8111 Damage to Insulator Bushings Company Power Station, Egypt Problem The insulators had been cracked and broken and were not functioning correctly Application Details The application was carried out in accordance with a modified version of Belzona VPF-1 & -2. Original profiles were restored with a Belzona 1100 series system and a smooth top surface created using Belzona Ceramic Coatings Belzona Solutions for Porcelain Insulators • No hot work required • In-situ repairs • High adhesion • Surface tolerant • High dielectric strength • High compressive strength • Water shedding • Simple and safe to use • Environmentally friendly • Rapid turnaround • Turnkey Solution A Cost Effective Alternative Solution to Repairing Damaged Insulators Facilities Maintenance Problems Due To : • Leaking Roofs • Concrete Damage • Slips, Trips and Falls Conventional Solutions Tarpaulin Re-Roofing Concrete repairs - Temporary solution - Lead Time and Disruption issues - Cannot be feather edged, lengthy repair Spalled Concrete Company Power Station, UK Problem Severe spalling of the electricity pylon concrete support columns accelerated by the acidic atmosphere generated by local industries Application Details Belzona 4000 series lightweight repair material used to rebuild the damage without the use of shuttering Roofing leaks Company Nuclear Power Plant, Maryland USA Problem Roof leaks exacerbated by multiple roof penetrations and failure of existing roofing protection Application Details Application was carried out in accordance with Belzona Know-How System Leaflet RPA-1. Slip Problems Company Power Station, UK Problem Slippage on steps when wet causing health and safety concerns Application Details Belzona 4000 series grip system applied to provide positive grip in wet, icy and oily environments improving safety Belzona Solutions for Facilities Maintenance • No hot work required • In-situ repairs • High adhesion • Surface tolerant • Local or Full Repairs possible • Immediate Leak Sealing • Emergency and Long Term repairs possible • Simple and safe to use • Environmentally friendly • Rapid turnaround • Turnkey Solution A Cost Effective Alternative Solution to Facilities Maintenance Problems Belzona provides these solutions to many International Organisations: Transformer Leak Sealing SF6 Gas Leak sealing in electrical switchgear Insulator Repairs Facilities Maintenance Belzona systems will solve hundreds of maintenance problems including: Shaft Repairs Live Leak Sealing Generator Repairs Expansion Joints Frost and Corrosion Damage Containment Areas Valley Gutters Equipment Housing Roofing Protection How Can Belzona Help You?