38 mm (1-1/2") Pro-Flo® Series Bolted Plastic Pump

P400 Features

The Wilden® bolted plastic air-operated double-diaphragm (AODD) pump combines maximum performance and efficiency with superior containment. Wilden's bolted-construction pumps offer improved flow rates and a redesigned liquid path that reduces internal friction for maximum output and longer diaphragm life.

  • 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)

Enquire About this product

Model Number: P400
Product Name: 38 mm (1-1/2") Pro-Flo® Series Bolted Plastic Pump
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Wilden Pro-Flo® Series Bolted Plastic Pump 38 mm (1-1/2 inch) - P400

Dimensions

Dim-P400-38mm1.5in-BPP
Note: Dimensions vary by material and connection. For additional information, please refer to the P400 Plastic Manual.

Flow Curve – TPE-Fitted

Flo-P400-38mm1.5in-BPP
Note: Additional performance curves can be found in the P400 Plastic Manual.

Specifications

Air Inlet
1/2" FNPT
Liquid Inlet
38 mm (1-1/2")
Liquid Discharge
38 mm (1-1/2")
Connection Type
DIN/ANSI (Flanged)
Max Pressure
8.60 bar (124.98 psi)
Max Diameter Solids
6.35 mm (1/4")
Max Suction Lift Capability
Rubber: 5.50m (18.20') Dry, 9.00m (29.50') Wet
TPE: 4.80m (15.90') Dry, 9.30m (30.60') Wet
Full-Stroke PTFE: 5.70m (18.70') Dry, 9.30m (30.60') Wet
Reduced-Stroke PTFE: 3.30m (10.80') Dry, 9.70m (31.80') Wet
Max Flow Rate
Rubber: 454.00 lpm (120.00 gpm)
TPE: 454.00 lpm (120.00 gpm)
Full-Stroke PTFE: 424.00 lpm (111.90 gpm)
Reduced-Stroke PTFE: 318.00 lpm (84.00 gpm)
Displacement Per Stroke
Rubber: 1.25 L (0.33 gal)
TPE: 1.34 L (0.35 gal)
Full-Stroke PTFE: 1.1 L (0.3 gal)
Reduced-Stroke PTFE: 0.59 L (0.155 gal)

Wetted Housings

Material Ship Wt
Polypropylene 19.00 kg (41.00 lb)
PVDF 27.00 kg (59.00 lb)

Non-Wetted Housings

Description Material
Center Block Polypropylene
Air Valve Polypropylene
Air Chamber Polypropylene

Elastomer Options

Material Temperature Limits
Buna-N -12.00°C to 82.00°C (10.00°F to 180.00°F)
EPDM -51.00°C to 138.00°C (-60.00°F to 280.00°F)
FKM -40.00°C to 177.00°C (-41.00°F to 350.00°F)
Geolast® -40.00°C to 82.00°C (-40.00°F to 180.00°F)
Neoprene -18.00°C to 93.00°C (0.00°F to 200.00°F)
PTFE* 4.00°C to 104.00°C (40.00°F to 220.00°F)
Polyurethane -12.00°C to 66.00°C (10.00°F to 150.00°F)
Saniflex™ -29.00°C to 104.00°C (-20.00°F to 220.00°F)
Wil-Flex™ -40.00°C to 107.00°C (-40.00°F to 225.00°F)
* 4°C to 149°C (40°F to 300°F) - 13 mm (1/2") and 25 mm (1") models only
Brochures
Dimensional Drawings
EOMs
Spec Sheets