Model: WILDEN P1, PS1, PX1, T1 (clamped) and P100 (bolted)
Genuine WILDEN 1/2″ spare parts: diaphragms, valve balls, seats, wet end kits, air valves and air repair kits for P1, PS1, PX1, T1 and P100 pumps, by part number.
| Inlet / Outlet Diameter | For 1/2" pumps (size code 01) |
|---|---|
| Material | Diaphragms and balls in Buna-N, FKM, EPDM, PTFE, Hytrel, Santoprene; seats in aluminum, stainless steel, Hastelloy, polypropylene, PVDF, FKM |
This page takes the usual questions about servicing a 1/2 inch WILDEN pump one at a time, with the part numbers from the parts list. Every 1/2 inch part number starts with 01.
The one that matches the elastomer in your build code. The standard 1/2 inch diaphragms are 01-1010-52 Buna-N, 01-1010-53 FKM, 01-1010-54 EPDM, 01-1010-55 PTFE, 01-1010-56 Hytrel and 01-1010-58 Santoprene. A second PTFE design, 01-1030-55, is also listed, so if your old diaphragm carries a number, match that.
PTFE is stiff, so it is backed by a rubber back-up diaphragm on the air side: 01-1060-51 Neoprene, 01-1060-53 FKM, 01-1060-54 EPDM or 01-1060-56 Hytrel. The back-up material is the last letters of the elastomer code; TNU, for instance, means PTFE with Neoprene.
Same material logic: 01-1080-52, -53, -54, -55, -56 and -58 for Buna-N, FKM, EPDM, PTFE, Hytrel and Santoprene.
01-1120-01 aluminum, 01-1120-03 stainless steel and 01-1120-04 Hastelloy. Plastic pumps use 01-1125-20 polypropylene or 01-1125-21 PVDF seats, and there is an FKM seat, 01-1120-53.
Yes. Wet end kit 01-9804 is listed for clamped metal P1, PS1, PX1 and T1 pumps (for example 01-9804-52 Buna-N, BNS), 01-9805 for the clamped plastic versions, and 01-9815 for the bolted plastic P100.
That depends on the air system. A Turbo-Flo T1 uses brass air valve 01-2000-07 and air repair kit 01-9980-07. Pro-Flo pumps with a plastic air side use air repair kit 01-9985-20, listed for P1 and P100, with air valve 01-2010-20 or the conductive 01-2010-25. A Pro-Flo SHIFT PS1 takes air valve 01-2030-01 and kit 01-9993-99.
We keep genuine WILDEN 1/2 inch parts in stock in our warehouse and ship worldwide. All of them are 100% original WILDEN parts. Look up any 01- number in our spare parts lookup or send us your build code.
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