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905 765 2004
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ACST-4 Glandless Shaft Seal versus Packing Gland Seals

The ACS Valves ACST-4 Glandless Shaft Seal design eliminates the need for conventional packing gland-style shaft seals. The ACST-4 sleeve-style design provides a micro-tolerance, self-lubricating seal to the rotor shaft and uses three, four-lobed ring seals to provide superior sealing, extended duty cycles, and elimination of seal adjustments.