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Wilden PS4 38 mm (1 1/2”) Plastic AOD Pump See all Brands

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™

PS4 plastic

  • Features & Benefits
  • Performance
  • Elastomer

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

WETTED HOUSINGS (Water Chambers and Manifolds)

MaterialShip Wt
Polypropylene 18 kg (40 lbs)
PVDF 24 kg (52 lbs)

NON-WETTED HOUSINGS

DescriptionMaterial
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)

Elastomer

MaterialTemperature 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)

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