Item: 04-12028 Model: P4/SSAPP/BNU/BN/BN Series: Pro-Flo Wetted material: Stainless steel Diaphragm material: Buna-N Nominal fluid port size: 1.5-inch Construction: Clamped Connection standard: NPT
WILDEN / PRO-FLO SERIES
This 1.5-inch Pro-Flo air-operated double-diaphragm pump uses stainless steel wetted housing and Buna-N diaphragms. Its clamped construction is identified by the complete ordering code below. Fluid connections use the NPT standard.
Complete model
P4/SSAPP/BNU/BN/BN
FLUID PORT SIZE
1.5-inch NPT
MAXIMUM FLOW
≈ 268.8 L/min
MAXIMUM PRESSURE
125 psig
| Brand / item number | WILDEN / 04-12028 |
|---|---|
| Pump series | Pro-Flo |
| Nominal fluid port size | 1.5 in |
| Construction | Clamped |
| Wetted housing | Stainless steel |
| Diaphragm material | Buna-N |
| Diaphragm design | ULTRA-FLEX |
| Diaphragm stroke | Reduced-Stroke |
| Check ball material | Buna-N |
| Valve seat material | Buna-N |
| Connection standard | NPT |
| Power source | COMPRESSED AIR |
| Inlet / discharge orientation | CENTER HORIZONTAL BACK / CENTER VERTICAL |
| Maximum flow | 71 US gpm (approximately 268.8 L/min) |
|---|---|
| Maximum operating pressure | 125 psig (approximately 8.6 bar) |
| Maximum air supply pressure | 125 psig (approximately 8.6 bar) |
| Listed dry suction lift | 12 ft (approximately 3.66 m) |
| Listed operating temperature | 32–175 °F (approximately 0.0–79.4 °C) |
| Self-priming | Yes |
| Listed shipping weight | 57 lb (approximately 25.85 kg) |
Maximum flow and maximum pressure are separate ratings. Check the duty point, fluid compatibility, temperature and suction conditions for the complete pump configuration.
| Air-side material | Polypropylene |
|---|---|
| Outer pistons | Stainless steel |
| Wetted O-rings / gaskets | Buna-N |
| Hardware material | Stainless steel |
| Muffler | Aluminum |
Use the trace for this diaphragm configuration. Click to view the full-size image.
Use the trace for this diaphragm configuration. Click to view the full-size image.
Quote 04-12028 and P4/SSAPP/BNU/BN/BN, together with quantity, fluid, operating temperature, required flow and discharge pressure. For replacement parts, include the component number and a clear pump nameplate photo.
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Contact: Kevin
Phone: +86-17717557262
Tel: +86-17717557262
Email: willeepump@gmail.com
Add: No. 133, Dongzheng Village, Lingang New Area, China (Shanghai) Pilot Free Trade Zone
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