Seals work wet, dry or with noncontact barriers
A
Flowserve product story
Edited by the Engineeringtalk editorial team
Jun 4, 2002
The Mixerpac M-series, from the Flowserve range of mechanical shaft seals, can be configured to operate wet, dry, or with the latest noncontact gas barrier technology.
The Mixerpac M-series, from the Flowserve range of mechanical shaft seals, can be configured to operate wet, dry, or with the latest noncontact gas barrier technology.
They are claimed to offer a genuine engineering breakthrough, providing the utmost in performance, application flexibility and economy.
They are designed for use with mixers, dryers and agitators used in the batch processing of pharmaceuticals, food, polymers, thermoplastics, adhesives, silicones and many other products.
The Mixerpac M-series is the only dual pressurised cartridge canister seal platform specifically engineered to accommodate the lower speeds, higher pressures and increased temperatures associated with modern mixing and processing equipment.
The modular design permits adaptation to meet changing production requirements, eliminating unnecessary investment in additional seals.
The pre-engineered package permits interchangeability of seal housing, sleeves and glands for applications on liquid lubricated, dry running or full fluid film face technology.
The simple changing of face seals enables the easy transfer from a liquid lubricated condition to a contacting gas seal, or even a noncontact gas seal which allows operation down to zero rotation speed.
A full shaft run-out of up to 3mm can also be accommodated, or whenever shaft wobble and other eccentricities are most severe.
New features also incorporated in these seals include: fully pre-assembled rotating unit for easier assembly and handling with higher reliability; a PTFE gasketed version, with improved carbon grades permitting dry-running without humidification up to 6bar vessel pressure; and reverse rotation permissible up to 0.4m/s, together with reverse pressure for enhanced safety in the event of barrier failure.
The seals can be supplied for shaft sizes from 2.000 to 6.500in imperial (50 to 160mm metric).
DIN versions for steel- and glass-lined vessels can also be supplied from 40 up to 220mm (160mm glass lined), together with a version suitable for sterilisation.
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