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Chesterton SuperSet consisting of Packing Version SpiralTrac and Chesterton 1830 SSP Packing. Running without issues for over two years.
A KSB Vertical Pump (240 mm shaft) at a Power plant in Germany sealed with Chesterton Jumbo 221 Split Seal and Version D SpiralTrac. Product: river water, speed: 1450 RPM.
Chesterton 221, 442 large split seals and Split Version F SpiralTrac installed in a Zillio Horizontal Francis Hydro Turbine.
Hydropower. Speed: 127 RPM, product: river water, ambient temperature.
Chesterton 442 and SpiralTrac Seal Adaptor successfully sealing Vertical Hydro Turbine in an Italian Hydro Plant. Dirty River water. Voith Siemens (Francis)
Francis vertical hydro turbine pumping dirty river water running flushless and leak free for years, sealed with Chesterton 442HP and SpiralTrac Seal Adaptor.
Absorber recycle pump sleeve and packing had to be replaced every 6 months, which was expensive and time consuming. After Chesterton SuperSet solution including SpiralTrac and 1830 Packing the pump MTBF doubled and the sleeve could be reused multiple times.
The combination of Chesterton split seal, SpiralTrac and ISS in one complete sealing system improves maintenance cost and time on absorber tanks.
This video shows how a SpiralTrac active throat bushing works in a seal cavity.
Split SpiralTrac™ devices made of bearing grade MGE and BGE materials have great shaft support capabilities and are usually utilized in pumps where shaft movement or deflection can occur. These materials are however very brittle by nature, so installing and handling them requires care and caution. This quick video demonstrates the steps required to handle these Spiraltrac devices.