ARO 637442-4 Inlet/Outlet Service Kit for Diaphragm Pumps
Suffix -4 inlet/outlet service kit for ARO PD03P double diaphragm pumps; four models in our parts data
SKU:637442-4
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The -4 suffix of the ARO 637442 inlet/outlet kit is listed for PD03P-APS-PCC, PD03P-BDS-DTT and two other PD03P diaphragm pumps.
WHERE TO BUY?
Use ARO 637442-4 when the inlet and outlet area of an ARO PD03P diaphragm pump is due for service. Its catalog name is Service Kit, Inlet/Outlet for Diaphragm Pumps. No material or parts breakdown is given for the -4 suffix, so the pump's parts list is the best reference for what it replaces.
Check valves at the suction and discharge ports let liquid pass in only one direction. When they stop sealing, the diaphragms keep moving but less product gets through.
Signs It Is Time for This Kit
- Air pressure is normal but the pump moves far less liquid.
- The pump loses prime overnight or between batches.
- You hear chatter or knocking from the manifold area.
Pumps That Use 637442-4
The same four PD03P models appear under other 637442 numbers. Read the full model code on the nameplate and pick the kit shown in that pump's parts list.
| Part No | 637442-4 |
|---|---|
| Name | Service KIT,Inlet/Outlet for Diaphragm Pumps |
| Compatible Equipment | ARO diaphragm pump service |
| Brand | ARO |
| Product Type | Accessories |
