Parker back-up rings: The types of Parker Parbak back-up rings we supply as follow: Parker Parbak Back Up Ring 180475N0300 Parker Parbak Back Up Ring 180474N0300 Parker Parbak Back Up Ring 180473N0300 Parker Parbak Back Up Ring 180472N0300 Parker Parbak Back Up Ring 180471N0300 Parker Parbak Back Up Ring 180470N0300 Parker Parbak Back Up Ring 180469N0300 Parker Parbak Back Up Ring 180468N0300 Parker Parbak Back Up Ring 180468E0652 Parker Parbak Back Up Ring 180467N0300 Parker Parbak Back Up Ring 180467E0652 Parker Parbak Back Up Ring 180466N0300 Parker Parbak Back Up Ring 180465N0300 Parker Parbak Back Up Ring 180464N0300 Parker Parbak Back Up Ring 180464E0652 Parker Parbak Back Up Ring 180463N0300 Parker Parbak Back Up Ring 180462N0300 Parker Parbak Back Up Ring 180N0300 Parker Parbak Back Up Ring 180N0300 Parker Parbak Back Up Ring 180N0300 Parker Parbak Back Up Ring 180N0300 Parker Parbak Back Up Ring 180N0300 Parker Parbak Back Up Ring 180N0300 Parker Parbak Back Up Ring 180455N0300 Parker Parbak Back Up Ring 180454N0300 Parker Parbak Back Up Ring 180453N0300 Parker Parbak Back Up Ring 180452N0300 Parker Parbak Back Up Ring 180451N0300 Parker Parbak Back Up Ring 180450N0300 Parker Parbak Back Up Ring 180449N0300 Parker Parbak Back Up Ring 180448V0709 Parker Parbak Back Up Ring 180448N0300 Parker Parbak Back Up Ring 180447N0300 Parker Parbak Back Up Ring 180446N0300,etc The types of Parker Polon(PTFE) back-up rings we supply as follow: Parker Polon(PTFE) XA31500250901YS back-up rings Parker Polon(PTFE) XA28500250901YS back-up rings Parker Polon(PTFE) XA27000250901YS back-up rings Parker Polon(PTFE) XA01300010901XB back-up rings Parker Polon(PTFE) XA01200010901XS-1,6X1,25 back-up rings Parker Polon(PTFE) XA009100656 back-up rings Parker Polon(PTFE) XC15000010903XS-201 back-up rings Parker Polon(PTFE) XC14000010903YS-132 back-up rings Parker Polon(PTFE) XC07500010903XS-059 back-up rings Parker Polon(PTFE) XC02720010903YS-047 back-up rings,etc We also supply brands of O rings as follow: KALREZ O rings AFLAS O rings PARKER O rings NATIONAL O rings CLAIRE O rings Nicole O rings Dowty O rings YG O rings NOK O rings Hallite O rings B+S O rings John Crane O rings PRECISE O rings Ingersoll Rand O rings,etc. With more than ten years hard work and great emphasis on aftermarket services, A&S Seal Co., Ltd. has dominated a big market with growing knowledge and experiences in sealing industry. The brands we provide:Parker seals, John Crane seals, Burgmann seals, SKF seals, NOK seals, NAK seals, Busak Shamban seals, Valqua seals, Merkel seals, Garlock seals, Trelleborg seals, Flowserve seals, TTO seals, etc. The seals we supply :Mechanical Seals, Oil Seals, Hydraulic Seals, Shaft Seals, Lip Seals, Pump Seals, Dust Seals, Face Seals, Floating Seals, Piston Cup Seal, Packing , O-Rings and so on. Contact us for any questions. www(dot)asmechanicalseals(dot)com Tel:+86-28-66583178 Fax:+86-28-86129221 Email:seal(at)esmachinery.com Contact Person:Echo Skype ID:echoli98 Address:2nd Floor,Xinhe Linghang building,Xingsheng Road,Gaoxing District,Chengdu,Sichuan,China