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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.

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