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Vertical Kaplan Hydro Turbine sealed with Chesterton 442 Jumbo Split Seal, Split Metal SpiralTrac Adaptor and a 14K Restrictor Bushing. Installed and working successfully since 2018. Product is River Water.
Large Hydro Turbine successfully sealed with the most advanced technology from Chesterton, including AMPS and SpiralTrac. A true game changer for hydro turbines.
Vertical Yeomans Pump successfully converted from packing to Chesterton 442 Split Seal and Version D Type I SpiralTrac. Product: wastewater
2 Horizontal Kaplan Hydro Turbines, sealed with Chesterton 442 split mechanical seals and SpiralTrac Adaptors, operating for over 9 years with no issues. Product: river water
Packed LDP-X 250-400HP centrifugal pump converted to Chesterton 150 single cartridge mechanical seal and Version N Type I SpiralTrac. Product is dirty water (slag) with lots of calamite.
Chesterton 442HP split seal and Version F Type S SpiralTrac successfully trialed in a Pentair® Fairbanks Nijhuis B5741 Vertical Pump. Product is Return activated sludge (RAS).
A Sulzer© Scaba 710 Mixer (agitator), fitted with split SpiralTrac Adaptor and Chesterton 442 split seal. Product is pulp with 3% solids.
Chesterton 221 jumbo seal, split 2 piece SpiralTrac installed in a vertical DIP Pulper, running without issues for 12 years until plant decommissioning. Paper stock, 14% solids. Chesterton 14K bushing and MC Nylon bushing was also used in this solution.
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.
