1) Model: DN550 - DN1000 2) Type: wafer 3) Nominal pressure: PN10 4) CE,ISO9001,WRAS 1.The name:lug type butterfly valve 2.Medium Capability:Freshwater, Sea water, Air, steam, food, medicine and kinds of oil, acid, alkali, salt. 3.Feature:(1).Long service life with reliable seal and without frequent maintenance. (2).Pressure LossToo much pressure loss will bring increased cost of correlative ...