... , 380V, 60Hz, 3phase 5. The material of the mechanical seal is tungsten carbide, having high wear-resistant and corrosion-resistant ... the high viscosity material. 8. The material of the mechanical seal is tungdten carbide, our machine adopts dual-end sealing ... system suiting temperature-sensitive materials. 10. Cooling fluid of mechanical seal adopts chemical fluid dissolved with material to assure the ...