KEY SEAL AND VALVE

摘要

A key seal preferably includes a first circular seal portion, a second rounded seal portion and a third rounded seal portion. The first circular seal portion preferably has generally circular cross-section. The second rounded seal portion preferably has a bottom side which is connected to the first seal portion, and has a cross-section which is smaller than that of the first circular seal portion. The third rounded seal portion preferably has a top side which is connected to the first seal portion, and has a cross-section which is smaller than that of the first circular seal portion. The first, second and third seal portions may be integrally formed. They key seal may be installed in a hydroseal assembly around the pin section of a hydroseal, and between a seal and a block section of the hydroseal.

主权项

1. A key seal comprising
a first circular seal portion having a generally circular cross-section, said first seal portion having a top side and a bottom side; a second rounded seal portion having a bottom side, said bottom side of said second rounded seal portion connected to the top side of said first seal portion, and said second rounded seal portion having a cross-section which is smaller than the cross-section of the first circular seal portion; a third rounded seal portion having a top side, said top side of said third rounded seal portion connected to the bottom side of said first seal portion, and said third rounded seal portion having a cross-section which is smaller than the cross-section of the first circular seal portion.