Designed for chemical-processing applications, ATEX-certified sealless eccentric disc pumps do not have mechanical seals, packing, couplings or magnets. The shaft is sealed instead by a double stainless steel bellows. This design ensures durability, safety and product containment, according to the manufacturer, while providing high suction and discharge pressures. These pumps provide self-priming, dry-run and low-shear operation, and they have the ability to pump both low and high viscosity liquids.
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