Main parts material

1

Body

Cast iron, ductile iron

2

Seat

EPDM,NBR

3

Disc

CF8, CF8M, DI, AL-B

4

Stem

SS416, SS410, SS316

5

Tapper pin

SS316, SS416

6

Bushing (long)

Lubrication Bronze, Reforced PTFE

7

Bushing (short)

Lubrication Bronze, Reforced PTFE

8

"0" ring

EPDM,NBR

9

key

45# steel