Parts name

Material

Valve
valve cover

WCB(carbon steel)

Chromium nickel-titanium and stainless steel (P)

Chromium nickel-titanium and stainless steel(R)

Cr-Mo steel (I)

Lever

Cr

Chrome-nickel stainless steel titanium

Cr-Ni-Mo stainless steel titanium

Cr-Mo steel

Ram, Seat

Carbon steel welding iron - chromium alloy or stainless steel

Chrome-nickel stainless steel welding titanium carbide

Cr-Ni-Mo stainless steel welding titanium carbide

Cr-Mo steel welding Carbide

Packing

Asbestos graphite
/Flexible Graphite

Flexible graphite or PTFE

Flexible Graphite

Gasket

Asbestos gaskets or gaskets

Stainless Steel graphite gaskets

High Temperature graphite gaskets

Stem Nut

High Temperature graphite gaskets

Hand wheel

Ductile iron or cast steel