The P4 is Wilden’s 1-1/2 inch clamped Pro-Flo pump. Wilden lists 191 P4 builds in five body materials, which makes it one of the most widely built Wilden models. Specifications From Wilden’s data for…
| Flow Rate | Up to 288 L/min (76 gpm), aluminum build |
|---|---|
| Head | Up to 86 m (8.6 bar / 125 psi air pressure) |
| Inlet / Outlet Diameter | 1-1/2" (38 mm) NPT |
| Material | Aluminum, cast iron, stainless steel, polypropylene or PVDF |
The P4 is Wilden’s 1-1/2 inch clamped Pro-Flo pump. Wilden lists 191 P4 builds in five body materials, which makes it one of the most widely built Wilden models.
From Wilden’s data for aluminum build 04-11334:
| Body material | P4 builds |
|---|---|
| Aluminum | 45 |
| Stainless steel | 54 |
| Polypropylene | 36 |
| Cast iron | 30 |
| PVDF | 26 |
A stainless P4 with Santoprene diaphragms (04-12828) is listed at 81 gpm (307 L/min) and about 53 lb (24 kg).
The XPS4 (Pro-Flo SHIFT, clamped) is listed at 82 gpm (310 L/min) in aluminum, and the bolted XPS420 at 132 gpm (500 L/min). The plastic bolted P400 reaches 120 gpm (454 L/min) in polypropylene. Moving to a bolted pump can be simpler than moving up to 2 inch.
Genuine Wilden AODD Diaphragm Pumps & Spare PartsA real enquiry for 1″ WILDEN parts, line by line: PTFE diaphragm, Hytrel back-up, PTFE balls, stainless seats, shaft, outer piston, pilot sleeve and air valve.
Genuine Wilden AODD Diaphragm Pumps & Spare PartsSpare parts for 4″ WILDEN T20, PS20 and XPS20 iron pumps: what is listed under 20- numbers, and which 3″ air kits the 4″ pumps share.
Genuine Wilden AODD Diaphragm Pumps & Spare PartsSpare parts for bolted 3″ WILDEN pumps: P1500, PS1500, PX1500, the FIT P1520 and P1530, and H1500. Wet end kits, PTFE diaphragms, balls, manifolds and air kits.
