Information on pump shaft seals is useful.
What exactly is a pump shaft seal? Shaft seals keep fluids out of a rotating or reciprocating shaft. This is crucial for all pumps, and in the case of centrifugal pumps, numerous sealing choices will be available, including packings, lip seals, and all sorts of mechanical seals, including cartridge sealant. Rotary positive displacement pumps, such as gear pumps and vane pumps, include packing, lip, and mechanical seal configurations. Reciprocating pumps have unique sealing challenges and often rely on lip seals or packing. Magnetic drive pumps, diaphragm pumps, and peristaltic pumps, for example, do not require shaft sealant. These seamless pumps have fixed sealant to prevent liquid leakage. What are the different kinds of pump shaft seals? Packing: Packing (also known as shaft packing or gland packing) is often made of a soft material that is braided or molded into rings. To form a seal, this is forced into a compartment around the driving shaft known as the stuffing box. Co