... c)Shaft: 416S. Sand316S. S, 17-4pHS, aluminum bronze and monel.resistant NBR, Viton, high temperature Viton, Hypalon, Silicon rubber PTFE ... , abrasive Shaft: 416S. Sand316S. S, 17-4pHS, aluminum bronze and monel.resistant NBR, Viton, high temperature Viton, Hypalon, Silicon rubber PTFE ...