DN450 Big size top entry ball valve

BALL, 300LB, FLANGED RF ANSI B16.5, A216 Gr.WCB and A351 Gr.CF8M or A182 Gr.F316 ball. Full bore. Trunnion type. Top entry integral body. Fire safe. Antistatic. Cavity relief. PTFE seats, Viton ring, 13% Cr shaft. face to face: ASME B16.10. Packing and gaskets shall be fire resistant (according to API 607, AP1 6 FA). 18″