No

PART NAME

MATERIAL

1

Gear box

Carbon steel/ stainless steel/cast iron

2

Support

Carbon steel/ stainless steel/cast iron

3

Body

Cast iron/ductile iron/ stainless steel/carbon steel

4

Disc

AI-Bronze/ Monel/CF8M/WCB/ductile iron

5

Bolts

Carbon steel/stainless steel

6

Retalner

Carbon steel/stainless steel

7

Rubber seat

EPDM/PEFE/Buna/Hypalon/viton/neoprene

8

Seat retainer

Carbon steel/ stainless steel/cast iron