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http://http://www.sunbopump.com/Other-Pump-Parts/Latern-Ring-208.html

A Lantern Ring distributes the liquid uniformly around the shaft, providing lubrication to the packing. The lubrication from the fluid cools and seals the shaft and packing. The function of the water seal ring is to form a closed space on the rotor shaft of the pump to prevent the working medium of the pump from leaking. During the normal oper ...

http://http://www.sunbopump.com/Metal-Parts/Water-seal-ring-warman-ahf-pump-curves-sump-pump-warman-274.html