Press release
Chesterton Coatings and Split Seal Technology improve Reliability and extend Performance of Vertical Turbine Pumps
High-quality Coatings and advanced seal for turbine pumps
South Italy: The electricity and gas supplier „EDISON“ is one of the largest energy companies in Europe. For the delivery of cooling water, vertical turbine pumps are used, which are up to 20 years in operation. „Sinergo Service“, Chesterton’s partner and general contractor on this project, has selected high-quality products for the refurbishment of these pumps.
„Sinergo Service“ has been operating in industry for 25 years, providing successfully marine spare parts, engineering and service on mechanical equipment like pumps, compressors, valves and seals.
To maintain the value of the pump housings, the coating CERAMIC-POLYMER STP-EP-HV is applied by simple airless spraying or with hand tools. This product offers a reliable, durable resistance against seawater and its mechanical friction. Moreover, the 1-layer application and the fast curing times simplify the handling and enables a rapid return to service of the pumps or other machine components.
Refurbishment of the base plate with ARC products
The base plate showed severe corrosion damage and material erosion due to mechanical vibrations.
In this case, the surface was rebuilt with ARC 858(E). This product - a ceramic-reinforced thick-film abrasion protection system - is suitable for the effective restoration of metal surfaces that are heavily exposed to erosion, corrosion as well as mechanical and chemical stress. The premium coating ARC 855(E) was used as top coat. This product has an extremely abrasion-resistant surface and thus considerably extends the service life of the pump components. Both coating products are applied with conventional hand tools.
Technical Details
Project: Coating of 4 cooling water pumps
Type of pumps: Vertical turbine pumps
Product for pump housing: Ceramic-Polymer STP-EP-HV
Product for base plates: ARC 858(E) for rebuilding; ARC 855(E) as topcoat
Product requirement: Resistances against sea water and abrasion
Application method: Manually, with hand tools
The result – prepared for decade-long service
Equipped with an absolutely resistant protective coating, the pumps can be used for up to 20 years of operation in contact with seawater. Our coating systems provide an excellent protection against abrasion, cavitation as well as serious erosion and corrosion damage. The versatile Chesterton portfolio offers highly chemical resistant, temperature-resistant and moisture-tolerant coatings that are ideal for submersible pumps, submersible motors and turbines.
Chesterton Split Seal 442 – Advanced Sealing Technology
Within this pump coating project in Italy, Chesterton Split Seals 442 have also been installed to improve the performance and efficiency of the pumps. A split seal has components split into two halves which are secured as one unit on the seal shaft. The major advantage of the split seal design is that it allows you to install the seal with no dismantling of the pump (or equipment) – an enormous time-saver!
The Chesterton 442 split seal is ideal for equipment that is difficult and time-consuming to disassemble, such as large pumps, vertical pumps, and horizontal split case pumps. This proven, compact design can be used in a wide variety of equipment and process fluids.
The patented, high-performance split technology allows the 442 to operate from vacuum to high pressures. Designed with the installer in mind, the ball-and-socket O-Rings provide a quick and easy leak-free seal without the use of adhesives. Captive screws cannot fall out, making installation straightforward and reliable.
Benefits of Chesterton 442 Split Seals
• Installation with no dismantling of the pump
• No more leakages
• Clean and safe environment
• Better energy consumption, due to less friction
• No sleeve damages
• Reduce ongoing maintenance costs
• Easy and reliable installation
• Available in large diameters
Chesterton International GmbH
Stephanie Wuensch
Daimlerring 9
DE-32289 Roedinghausen/Germany
Tel.: +49 (0)5223-96276-23
Email: stephanie.wuensch@chesterton.com
Web: www.ceramic-polymer.de
The Chesterton International GmbH produces high-quality, solvent-free protective coatings for different kinds of industries. Due to the integration of microscopic ceramic and other special particles, coating systems with outstanding physical properties such as excellent chemical resistances, high temperature stabilities and extreme abrasion resistances are generated.
The Chesterton International coatings are applied directly on the blasted substrate (e.g. steel, stainless steel, concrete) without the previous use of a primer. In this way extreme adhesion is achieved. The scopes of the Chesterton coatings are for instance all kinds of storage tanks, pipelines or process vessels for the oil & gas industry as well as different maritime constructions, waste water or drinking water applications.
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