Size:NPS1-12(DN15-DN600) Pressure Rating:Class 150-600(PN16-PN100) Base Material:A182F(304,F316,F51,F53.F55), A564630(17-4PH),Monel,Inconel Ball Coatings:ENP,Chemical plating chromium, TCC,CCC,STL,Inconel,Special.