1.NPS: 6"~56"(DN150~1400) 2.Pressure Rating: Class 150~2500(PN16~420) 3.Body Material: ASTM A105, A350 LF2, A182 F304, etc. Product Name: Trunnion Ball NPS 6”~56”(DN150~1400)Pressure Rating:Class 150~2500(PN16~420) Body Material:ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6A, A182 F51, A182 F53, A564 630(17-4PH), Monel, etc.Coatings:*ENP*Chrome Plating*Tungsten Carbide*Chrome Carbide* ...