Weco Butterfly Valves
| Weco
Butterfly Valve Home |
Materials of Construction
|
| Valve Part |
Standard Material |
Optional1 Material |
| Seat and O-Ring |
Nitrile (Buna N)
(-20°F to 200°F) |
Food grade nitrile
Carboxylated nitrile
Hypalon
TFE
Neoprene (standard or food grade)
EPDM (Epoxy backed to 400°F)
Fluorocarbon (Epoxy backed to 400°F)
|
| Body |
Ductile iron |
Steel
Aluminum |
| Stem (Upper and Lower) |
416 stainless steel |
316 Stainless Steel |
| Disc |
Ductile iron
Aluminum bronze |
316 Stainless steel,
TFE encapsulated, 17-4PH
Halar coated ductile iron
|
Notes 1. Other materials
available; consult Thraco.
Halar is a registered trademark of
Ausimont.
Hypalon is a registered trademark
of DuPont.
