This is Atlas Copco part number 3330003291 non return valve – complete, stocked at Crowder Supply as AC-3330003291. Cycle timing runs through this component. Because it shuttles on every blow, it accumulates cycles faster than almost anything else in the pump.
It shows up in the parts breakdown for the DIP 25 35 65 25US 35US 65US Centrifugal Pump. Check it against the reference number on the diagram first; serial breaks change what fits.
Everything else on that machine is one page away on the parts diagram library; complete tools are on the Atlas Copco catalog. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3330003291
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3330003291
- Listed on breakdowns for: DIP 25 35 65 25US 35US 65US Centrifugal Pump
