Product Description 1. Metal Bellow seal M21 for pumps,equals to Burgmann MFL85N 2. Our seals can replace the original seals. 3. We always keep balance both on Price and Quality. Brand: sealcon Performance Capabilities l Temperature: -40 to 220 l Pressure: Up to 25 bar l Speed: Up to 20 m/s l End play/axial float allowance : ±0.1mm Sizes:16mm to 100mm Materials Combination l Face: Carbon, SiC, TC l Seat: Ceramic, SiC, TC l O-ring: NBR, EPDM, VITON Aflas,FEP,Kalred.Chemraz,Grofoil etc.. l Spring: SS304, SS316 l Metal parts: SS304, SS316