Materials:
Body: Cast Iron Ductile Iron (Nickel Plated or Nylon Coated) Stainless Steel WCB
Disc: Ductile Iron (Nickel Plated or Nylon Coated) Stainless Steel Al-Bronze
Seat: EPDM NRB PTFE VITON
Shaft: Stainless Steel Carbon Steel
Key: Carbon Steel
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