Cartridge seal designed for big and stan
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Article
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1995
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Elsevier Science
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English
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Two exfoliated graphite packings have been developed by James Walker to reduce fugitive emissions and energy loss from valves and high-speed rotary pumps. Called Supagraf Ribbonpak and RibbonPak M, these products are designed for low-friction sealing of pump shafts and valve stems operating in hars