Repair Kit Check Ball Material PTFE Compatible with Grainger Part Number 6CCK3 6CCK7 6CCL4 6CCN1 Compatible with Manufacturer Model Number PD10A-AAP-FTT PD10A-ASS-STT PD10R-ASS-STT PW10A-AAP-FTT Diaphragm Material PTFE Number of Check Balls 4 Number of Diaphragms 4 Number of O-Rings 20 Number of Seals 24 Valve Type Ball Product Type Fluid End Repair Kit Media Intake Pressure (Maximum) 120 psi Compatible with Pump Type Air Operated Double Diaphragm Pump