Applications : Clear And Lubricating Media Elastomers : NBR, Viton, EPDM, FFKM, Karlez, PTFE, Aflas Metal Parts : SS 316, SS 304, Hast-C Et Alloy 20 Face Materials Carbon, Silicon Carbide, Ceramic, Tungsten Carbide Velocity : 20m/s Pressure : Vacuum 30 bar(max) Temperature : -40 dig C to +280 dig C Shaft diameter : 20mm-100 mm Details: Double acting Bidiretional Balanced