Bare Shaft Cast iron Wafer Butterfly Valve DN150 Material:Cast iron(CI),Ductile iron,Carbon steel,stainless steel Nominal Pressure:CL150/PN6/PN10/PN16 Nominal Diameter:2″-64″ Operation:Manual/Pneumatic/Electric Working Temp:-29℃~200℃ Test/Inspection:API 598/ISO 5208 PS:We can manufacture valves as customers’ requirements.