Wilden® 1 1/2" 38mm Pro-Flo bolted plastic air-operated double-diaphragm (AODD) pump P400 models combine exceptional performance and efficiency with remarkable containment. Bolted-construction Wilden diaprhagm pumps offer enhanced flow rates and a redesigned liquid path that reduces internal friction for preferable output and longer lasting diaphragm lifespan.
Features & Benefits
• DIN or ANSI flanged inlet/discharge liquid connections
• Decades of proven performance
• Bolted construction for superior containment
• Large-solids passage
• High suction lift
• Ease of operation and maintenance
• Increased on/off reliability
• Longest Mean Time Between Repair (MTBR)
Wetted Housings - Materials
Polypropylene - 19 kg (41 lb)
PVDF - 27 kg (59 lb)
Non-Wetted Housings - Materials
Center Block - Polypropylene
Air Valve - Polypropylene
Air Chamber - Polypropylene
Diaphragm Pump Specifications:
- Air Inlet: 1/2" FNPT
- Liquid Inlet: 38 mm (1-1/2")
- Liquid Discharge: 38 mm (1-1/2")v
- Connection Type: DIN/ANSI (Flanged)
- Maximum Suction Lift Capability:
- Rubber – 5.5 m (18.2') Dry, 9.0 m (29.5') Wet
- TPE – 4.8 m (15.9') Dry, 9.3 m (30.6') Wet
- Full-Stroke PTFE – 5.7 m (18.7') Dry, 9.3 m (30.6') Wet
- Reduced-Stroke PTFE – 3.3 m (10.8') Dry, 9.7 m (31.8') Wet
- Maximum Flow Rate:
- Rubber – 454 lpm (120 gpm)
- TPE – 454 lpm (120 gpm)
- Full-Stroke PTFE – 424 lpm (111.9 gpm)
- Reduced-Stroke PTFE – 318 lpm (84 gpm)
- Maximum Pressure: 8.6 bar (125 psi)
- Maximum Diameter Solids: 6.35 mm (1/4'')
- *Displacement Per Stroke:
- Rubber- 1.25 L (0.33 gal)
- TPE- 1.34 L (0.35 gal)
- Full-Stroke PTFE – 1.1 L (0.30 gal)
- Reduced-Stroke PTFE – 0.59 L (0.155 gal)
- * 1 cycle = 2 strokes
Elastomer Options
Buna-N | -12°C to 82°C (10°F to 180°F)
EPDM | -51°C to 138°C (-60°F to 280°F)
FKM | -40°C to 177°C (-40°C to 350°F)
Geolast® | -40°C to 82°C (-40°F to 180°F)
Neoprene | -18°C to 93°C (0°F to 200°F)
PTFE * | 4°C to 104°C (40°F to 220°F)
Polyurethane | -12°C to 66°C (10°F to 150°F)
Saniflex™ | -29°C to 104°C (-20°F to 220°F)
Wil-Flex™ | -40°C to 107°C (-40°F to 225°F)
* 4°C to 149°C (40°F to 300°F) - 13 mm (1/2") and 25 mm (1") models only.
Enjoy high-caliber energy conservation and the exceptional mean time between repair (MTBR) for your Air-Operated Double-Diaphragm (AODD) pump with the simple yet durable Wilden® Pro-Flo® Air Distribution System (ADS). The Pro-Flo excels in a wide variety of industrial and commercial pumping applications, such as:
• Chemical
• Paint & Coatings
• Mining
• Oil & Gas
• Water & Wastewater
• Liquid Terminals
• Process
