| __ Fort Wayne, IN January 30, 2009, Trelleborg Sealing Solutions launches its new Turcon Varilip PDR range. The optimum solution for high-speed rotating applications, the range has exceptional low-friction characteristics, reducing torque. This in turn cuts power consumption, which can contribute to lower equipment running costs and ultimately decreased energy bills.
Turcon Varilip PDR Performance, Durability, Reliability rotary shaft seals are constructed from one or multiple Turcon PTFE based sealing elements which are mechanically retained in a precision machined metal body. The metal body gives a robust static seal against the housing, preventing thermal cycling, while the Turcon sealing element provides positive dynamic sealing on the shaft, leading to excellent performance at high rotary speeds. Characterized by low friction and stick-slip-free running, the seal reduces temperature generation, permits higher peripheral speeds and lowers power consumption. This results in a long-service life, with maximized mean time between planned maintenance and greater productivity.
Currently there is a big push by industry in general to reduce power consumption and our carbon footprint, says Dave Cummings, Product Manager for Trelleborg Sealing Solutions Broomfield, US, one location where Turcon Varilip PDR is manufactured. Apart from showing responsibility for the environment, it has the benefit of lowering ever-increasing energy bills.
Taking a specific example from the semiconductor sector, tests show that Turcon Varilip PDR requires only around 50 percent of the torque of a radial oil seal when running in Fomblin oil, commonly used in vacuum pumps. This meets designers objectives for lower power consumption, a critical success factor in this type of equipment.
Based on the substantial experience of Trelleborg Sealing Solutions in supply of custom-designed metal-bodied rotary shaft seals, the new range offers customers a wide choice of standard parts in various corrosion-resistant materials and lip geometries. These will meet the requirements of virtually any rotating applications in numerous industries including chemical processing, oil gas, semiconductor, automotive, motor sport, marine, machine tools and power transmission. As no specific tooling is needed in manufacturing, they prove a very cost-effective option.
Benefits of Turcon Varilip PDR include:
Turcon PTFE based sealing lip
Low-friction to facilitate reduced power loss and friction-induced heat
Unique self-lubricating hydrodynamic feature further reduces friction
Advanced geometries engineered to give excellent performance in almost every high- speed rotary situation
Multiple lip configurations to address most sealing needs
Material compatible with virtually all media
Available in FDA-compliant grades
Metal body
Durability in harsh environments
Effective sealing on static outer diameter
Resistance to thermal cycling
Choice of high-quality metals including stainless steel, aluminum and other o specialized metals such as Hastelloy or Titanium
High corrosion-resistance
Superior precision-machined finish for improved sealing on the static interface
Overall Turcon Varilip PDR seal
Contributes to a reduction in power consumption of equipment
High speed capability up to 100 meters per second 19,680 feet per minute
Wide operating temperature range from -60 to 200 C -76 to 392 F
Options available for dry-running applications and for soft shafts
Retrofits in radial oil seal grooves
Unlimited shelf life with no special storage requirements
The new Turcon Varilip PDR is backed up with extensive test data that allows Trelleborg Sealing Solutions to recommend the best option for specific operating parameters. If required, testing tailored to an individual application can be undertaken, including Finite Element Analysis.
Background to Trelleborg Sealing Solutions and Trelleborg Group
Trelleborg Sealing Solutions is one of the world s leading developers, manufacturers and suppliers of precision seals. It supports its aerospace, industrial and automotive customers through 30 production facilities and more than 40 marketing companies globally. Within its portfolio are some of the longest established sealing brands, including Busak Shamban, Chase Walton, Dowty, Forsheda, Palmer Chenard, Shamban, Skega, Stefa and GNL, along with a large number of proprietary products and materials such as Turcon , Zurcon , Orkot , Isolast , Stepseal and Wills Rings .
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