Standard: ISO2531，EN545，EN598
Pressure: PN10/PN16/PN25/PN40
Body material: Ductile iron
Coating:
a). Inside cement mortal lining as per ISO4179 , outside zinc primer black bitumen as per ISO8179 ;
b). Inside and outside with FBE ( fusion bonded epoxy) coating or Epoxy painting ;
c). Inside and outside with Epoxy painting ;
d). Inside and outside wih zinc primer black bitumen.
Gaskets are SBR, NBR or EPDM;
Bolts and Nuts: Carbon steel with galvanized zinc plated G4.8/G8.8, or SS304/SS316.
Package: wooden cases and protection layer.
