... are alloy steel,Hardness more than 52 The new product FD series “double vertical ring-die pellet mill”, Research,Design,Produced ... mould. ModelPower(KW)Capacity(t/h)Dimension(m)Weight(KG)FD 45055KW0.8-1.2T1.4*0.75*1.552800FD 55090KW1 ... .17000FD1000160KW3-4T2.65*1.45*2.18500 2012 new product FD series double vertical ring-die pellet mill