Connecting ring B

Spray Teflon octagonal pad

Spray Teflon oval pad

Sprayed Teflon special-shaped sealing A

Sprayed Teflon special-shaped sealing B

Special sealing A

Special sealing B

Special sealing C

Special sealing D

Special sealing E

Special sealing F

Special sealing G

Special sealing H

Special sealing I

Special sealing J