Chesterton is the global leader in innovative, value driven sealing device products. Our split seals for main turbine shafts are designed to seal without leakage, minimizing the problems associated with it. Our innovative technology has expanded split seal use in large rotating equipment, simplifying installation, improving reliability and extending performance capabilities. We can integrate Chesterton split seals with SpiralTracTM technology to optimize system reliability and reduce operating costs. SpiralTrac environmental controllers prevent solids from entering the sealing device, eliminating erosion and clogging problems that typically reduce seal life and reliability. Our knowledgeable specialists, engineers and service teams will listen and work with you to deliver the best total sealing solutions for your critical hydropower equipment. By understanding the dynamics of your process and individual needs, Chesterton will help you develop successful long-term sealing solutions. Why Use Chesterton Split Seals? Eliminate turbine teardown and the associated downtime Easy installation Leak-free technology No packing maintenance or break-in requirements Reduce or eliminate flush water usage Eliminate shaft/sleeve wear Proven technology for years of reliable operation Reduce maintenance and operating costs Field repairable
Chesterton’s ARC ® brand of high performance ceramic and quartz reinforced polymer composite coatings are proven leaders in the battle against corrosion/erosion found in hydroelectric structures and equipment. Our highly reinforced industrial coatings resist erosive flow while preventing permeation and the resultant underfilm corrosion and delamination typically seen with traditional coatings. ARC quartz reinforced systems for concrete dam and spillway rehabilitation projects have been proven performers with over 10 years severe service in Scandinavian hydro projects where high head flow is compounded with ice damage and thermal expansion and contraction. ARC ceramic reinforced systems have repaired and protected intake structures and equipment ranging from trash racks and stop logs to penstocks, isolation valves and turbine components. Our ceramic toughened coatings can reduce flow efficiency losses when pipe friction is impacted by build-up of corrosive scaling and pitting. Why Consider ARC Composite Coatings? 100% solids, low VOC levels for minimal environmental impact Exceptionally high adhesion for increased reliability of performance High reinforcement levels for increased resistance to erosive flow Thick film sprayable and trowelable formulations for rebuilding metal and concrete effected by erosion and corrosion Thin film brush, roll and sprayable formulations barrier protection against corrosive conditions. Ease of installation and field reparable. Our qualified applicators can provide the field service to ensure long term, reliable protection
Solutions for the Hydropower Industry – Polymer Seals
Chesterton has developed a series of industry-leading polymer sealing solutions for the hydropower industry that have proven to increase performance and improve reliability of your equipment. Utilizing our experience and technical expertise we offer solutions for the following: Blade Runners Increase Turbine Reliability, Decrease Downstream Pollution An innovative, split Inter-Lock seal was specifically designed to effectively address blade droop and associated issues commonly found with Kaplan turbines. The exclusive seal design resists rotary motion from pulling the splits apart and utilizes load pressure to join and create a positive seal at cut ends. Superior performance improves turbine effectiveness Eliminates oil loss and downstream leakage Effectively seals blade droop and associated issues Split design is field serviceable and minimizes downtime Wicket Gates Thermal expansion and a contraction of horizontal cylinders can cause premature failure of OEM seal designs. Chesterton’s advanced thermoset polymer seals are designed to overcome these issues and have proven to substantially increase cylinder reliability helping to maximize the power and speed of your equipment. Blade Pitch, Servo Motors, Brake/Jack and Shaft Seals Chesterton offers proven solutions for various applications ranging from elimination of leakage in your vertical blade pitch cylinders to servo-motors where housing space is limited to ensuring your brake and jack cylinders are available on demand and even high performance lip seals to protect your bearings from the elements. Learn more about the proven solutions Chesterton has to offer!
Chesterton has developed a series of programs to improve common maintenance challenges. By utilizing the best available technologies and robust chemical engineering concepts, these programs can: Reduce mechanical maintenance time Increase equipment reliability Improve worker safety and environmental impact Save time and money; reduce scrap and waste 1. Bearing Reliability Program – Developed to address the primary causes of premature bearing failure; incorrect lubrication, lubricant failure and bearing contamination. 615 Family of Grease Technologies provides exceptional stability, extreme pressure and anti-wear properties. In addition, they are best in class wear resistance and corrosion protection. Lubri-Cup single point lubricators insure the correct amount of grease is provided, eliminating the problem of over or under greasing bearings. Bearing Protection – It is well understood that conventional lip seal technology offers limited life, resulting in bearings being subjected to contamination. Chesterton offers new technologies such as the 30K that have proven to provide 10 times the protection. 2. Chain Life Extension – Lubricants proven to protect and extend chain life up to 400%. 601 Chain Drive Pin and Bushing Lubricant is designed to penetrate to the pin and bushing to provide internal lubrication. 715 Spraflex Gold is used on the exterior to provide protection against water and surface wear as required. 3. Thread Sealing – 800 GoldEnd Tape provides positive sealing of threaded connections, even if adjusted backwards up to 90° and can be used in virtually all chemicals. 4. Thread Lubrication – A full range of anti-seize technologies to lubricate and protect nuts and bolts. 783 ACR is the latest addition, offering industrial anti-seize performance with exceptional resistance to water wash off, and corrosion protection. 5. Cleaning and Degreasing Program – A full range of chemistries to provide fast, efficient cleaning, while improving worker and environmental safety.
Chesterton is a global manufacturer of innovative and high performing sealing devices utilized in the hydropower industry. We strive to develop new and advanced state-of-the-art compression packing, gasketing and other sealing devices, aimed at solving industry problems and to add value to our customer base. Chesterton’s manufacturing capabilities enables us to produce standard and custom sealing solutions for all your turbine, pump and valve packing requirements. We have developed large cross section compression packing with a silicon core used to seal penstock expansion joints. We offer pump sealants, live loading technology, sheet gaskets, joint sealants and metal gaskets for a wide range of applications. Chesterton integrates compression packing with SpiralTracTM technology to optimize system reliability and reduce operating costs. SpiralTrac environmental controllers prevent solids from entering the sealing device, eliminating erosion and abrasion problems that typically reduce packing life and reliability in turbine applications. Our knowledgeable specialists, engineers and service teams will listen and work with you to deliver the best total sealing solutions for your critical hydropower equipment. By understanding the dynamics of your process and individual needs, Chesterton will help you develop successful long-term sealing solutions.