End-suction centrifugal pumps. Dimensions of cavities for mechanical seals and for soft packing not-eligible good mechanical properties and can

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End-suction centrifugal pumps. Dimensions of cavities for mechanical seals and for soft packing not-eligible good mechanical properties and can1 Scope This International Standard specifies the dimensions of the seal cavity for step balanced mechanical seals, mechanical seals suitable for straight shafts, and for soft packing, to be used with horizontal end suction centrifugal pumps, including those conforming to ISO 2858. Although applicable to general purpose and heavy duty process applications, this International Standard is not intended for use in processes with slurries or with high