Diaphragm Pump Repair Kit Check Ball Material Santoprene Compatible with Grainger Part Number 6CCP5 6CCR7 6CCT0 Compatible with Manufacturer Model Number PD30A-AAP-AAA-C PD30A-ACP-AAA-C PD30A-ASS-AAA-C Diaphragm Material Santoprene Number of Check Balls 4 Number of Diaphragms 2 Number of O-Rings 10 Number of Seals 14 Valve Type Ball Product Type Fluid End Repair Kit Media Intake Pressure (Maximum) 120 psi Compatible with Pump Type Air Operated Double Diaphragm Pump