... : SS,CS Pressure: PN6,10,16,25,40 GOST Standard Flanges 1.Standard: GOST 12820-80,GOST12821-80 etc.2.Material ... : PN6,10,16,25,405.Type: Plain Welded ,Welding Neck,Blind ,Lap Joint6.Scaling Face: FF,RF,LM,LF,GF,TF ... ,RTJ 7.Package: in wooden case ,wooden pallet or as per ...