1.DIN PN20 Slip On Flange 2.1/2"-64" DN15- ... 4.CE ISO9001 ISO14001 5.competitive price DIN PN20 Slip On Flange Hebei Shengya Pipe Fittings Co.LTD.TYPESlip ... -on,Welding neck,Blind,Socket welding,Threaded,Lap joint and so onSIZE1/2"-64" DN15-DN1600STANDARDANSI,API,BS ... materialSEALING SURFACEFF,RF,LJ,TG,FM,and R.T.J. etc.RUSTPROOF TREATMENTlightly oiled,galvanized,painting with different colors ...