Flange End: ANSI150LB/GB Standard/BS Standard;
Stem Material: 2CR13 Stainless Steel;
Bonnet Material: Ductile Iron,QT450;
Body Material: Ductile Iron,QT450;
Seal Material: Ductile Iron,QT450,COVERD BY NBR;
Square Head Material :Ductile Iron,QT450;
Surface Finishing : Epoxy Red or Blue.