FLANGE GASKET 1.DN40-DN1800MM, WITH RACED FACE 2.EPDM,NBR,SBR 3.PN10,PN16,PN25,PN40 OUR RUBBER RING FACTORY,PRODUCE PIPELINE FLANGE GASEKT, RUBBER RING, HYDROSWELLING WATERSTOPS etc.Material could be:EPDM, NBR,SBR, SILICONE, POLYMER RUBBER etc.TAWIL-Taiyuan Water Industrial Co.,Ltdtel:0086 351 7239569fax:0086 351 7233885Sincerely look forward to your support and co-operation!