... . 5.Little driving couple,convenient and quick operations. Products specification Pressure grade range:PN1.0-10.0MPA,CLASS ... B16.34,MSS-SP-67,BS5155.Flanged/wafer/lug type.Products performance specification Applicable tempreture:-29°C-425°C Applicable ... other corrosive medium Other InformationWe can supply wafer type,lug type,and double flanged type butterfly valve,in concentric,eccentric,triple.