Face Materials :Silicon Carbide,Tungsten Carbide,Carbon, Ceramic Metal Parts : SS 316, SS 304, Hast-C, Alloy 20, Monel Pressure : Vacuum 8 bar(max) Speed : 120.0 rpm Temperature : Amb to +250 dig C Shaft diameter : 25mm-150mm Elastomers : NBR, Viton, EPDM, FFKM, PTFE