The sealing function of the piston ring is brought about by the gas pressure above and behind the piston ring, which forces it () against the bottom of the ring groove, and () against the cylinder wall.
Shaft sealing in a centrifugal pump can be effected by ().
Black areas on the sealing surfaces of piston rings indicate()
Shaft sealing in a centrifugal pump can be effected by ().
The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is()
Some pumps use packing as sealing glandThe gland should be ().
Each piston stuffing box is provided with two sealing rings and three()
A bright shiny appearance of the sealing surfaces on diesel engine compression rings indicates()
Sealing in pump shaft is achieved by means of the ().
Some pumps use packing as sealing glandThe gland should be ().