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Wilden P4 – 38 mm (1 1/2″) Original Plastic Pump

3P4

The Wilden® PS4 – 1 1/2″ / 38 mm Original™ Series clamped plastic AOD pumps are available in polypropylene or PVDF.

Powered by the patent-pending, energy-efficient Pro-Flo® SHIFT Air Distribution System (ADS), the PS4 provides:

  • Up to 60% savings in air consumption over competitive AODD pump technologies
  • More yield per SCFM
  • Ease of maintenance (fewest ADS parts of any AODD pump competitor)
  • Fastest ROI, lower operational cost and total cost of ownership
  • Ease of use and maximum Mean Time Between Repair (MTBR)– Mechanically actuated, no electronic parts, submersible, no additional configuration or complicated curves

Elastomers are available in the following materials:

  • Buna-N
  • EPDM
  • Geolast®
  • Neoprene
  • Polyurethane
  • PTFE
  • Saniflex™
  • Viton®
  • Wil-Flex™

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Wilden P4 – 38 mm (1 1/2″) Original Plastic Pump

Features & Benefits

Features & Benefits

  • Decades of proven performance
  • Intrinsically safe
  • Clamped connections for faster maintenance
  • Self-priming
  • Variable speed
  • Dry-run without damage
  • Single-point exhaust option
  • Shear-sensitive
  • Widest range of materials in the industry

DEPENDABLE

  • Longest Mean Time Between Repair (MTBR)
  • Proven air distribution systems (ADS)
  • Simplicity of design
  • Superior anti-freezing
  • Increased On/Off reliability

ECONOMICAL

  • Greater flow per SCFM input
  • Reduced air consumption and kilowatt usage
  • Lower operational costs and downtime
  • Simple installation
  • Ease of maintenance

Performance

Performance

WETTED HOUSINGS (WATER CHAMBERS AND MANIFOLDS)

Material Ship Wt
Polypropylene 18 kg (40 lbs)
PVDF 24 kg (52 lbs)

NON-WETTED HOUSINGS

Description Material
Center Block Polypropylene, Stainless Steel, Aluminum or Nickel-Plated Aluminum
Air Chambers Aluminum, PFA-Coated Aluminum or 316 Stainless Steel
Air Valve Polypropylene, Aluminum or Stainless Steel

FLOW RATE TO 379 LPM (100 GPM)
MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY

6.2 m (20.4″) Dry, 8.3 m (27.2″) Wet

MAXIMUM DIAMETER SOLIDS

4.8 mm (3/16″)

DISPLACEMENT PER STROKE

  • Rubber- 1.0 l (0.26 gal)
  • TPE EZ-Install- 1.0 L (0.26 gal)
  • PTFE Full Stroke- 1.0 L (0.26 gal)

Elastometer Options

Elastomer

Material Temperature Limits
Buna-N -12.2 to +82.2 °C (+10 to +180 °F)
EPDM -51.1 to +137.8 °C (-60 to +280 °F)
Geolast® -40 to +82°C (-40 to +180°F)
Neoprene -17.8 to +93.3°C (+0 to +200°F)
Polyurethane -12.2 to +65.6°C (+10 to +150°F)
PTFE +4.4 to +104.4°C (+40 to +220°F)
Saniflex™ -28.9 to +104.4°C (+20 to +220°F)
Viton® -40 to +176.7°C (-40 to +350°F)
Wil-Flex™ -40 to +107.2°C (-40 to +225°F)

Wilden P4 – 38 mm (1 1/2″) Original Plastic Pump Manuals

Following are a wide range of installation, engineering, and maintenance manuals for Wilden diaphragm pumps. These can assist you in ordering any spares parts you may require, and assist with any installation and troubleshooting you may encounter.