... per the drawings Stainless steel flanges 1.Flange typePlate flange,Flat flange,Slip on flange,Welding neck flange,blind flange , ... 0(Class 2500) 6.Connection typeRaised face,Flat face,Ring type joint,Lap-joint face,male and female connection, etc 7.Quality testEddy ... 9.Applicationpetroleum,chemical industry,paper making,metallurgy,water supply and sewage project etc 10.Special flanges can be produced ...