WIWA Series 78 16:1 1856 PSi WIWA Vulkan Extrusion Pump Stainless Version 550 ft. Maximum Pressure: 3000PSI Spring Diven Maximum Pressure: 3000PSI The 8 oz (250cc) Non Teflon Gravity Cup is designed for use with Apollo 5530 ● Minimal pulsation due to rapid changeover speed● High operating pressures also make it ideally suited to pumping high viscosity materials over longer distances● Equal output and pressure for upward and downward strokes ensures constant material flow rate● Diverse sealing systems and materials for differing applications Extrusion pumps for low to high viscosity and pasty materialsSupplying work stations