1. Metal Bellow seal R93 for pumps,equals to Johncrane 2. Our seals can replace the original seals. 3. We always keep balance both on Price and Quality. Brand: sealcon Performance Capabilities l Temperature: -75â?? to 200â?? l Pressure: Up to 20 bar l Speed:Up to 23 m/s l End play/axial float allowance±0.1mm Sizes 18mm to 150mm 0.75â?� to Materials Combination l Face: Carbon, SiC, TC l Seat: Ceramic, SiC, TC l Bellow: NBR, EPDM, VITON Aflas,FEP,Kalred.Chemraz,Grofoil etc.. l Spring: SS304, SS316 l Metal parts: SS304, SS316