Size : 1/ 4â up to 2â ( DN 8 â DN 50) Body : A-105, A182-F316 Ball & Steam : SS316 Seat : Derlin, PEEK End Std : Threaded, Socket Weld, Butt Weld. Rating : 3000 Psi , 6000 Psi Temp : -20 to + 204° C ( -4 to + 400° F)