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Wilden PX4 38 mm (1 1/2”) Metal AOD Pump See all Brands

The Wilden® PX4 - 1 1/2" / 38 mm Original™ Series clamped metal AOD pumps are available in aluminum, stainless steel or cast iron.

They come equipped with the Pro-Flo X™ Air Distribution System (ADS) which provides superior flow rates, variable control, the patented Efficiency Management System (EMS™), maximum Mean Time Between Repair (MTBR) and lube-free operation.

Elastomers are available in the following materials:

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

PX4 Metal

  • 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

  • Low cost
  • Simple installation
  • Ease of maintenance

Performance

WETTED HOUSINGS (Water Chambers and Manifolds)

Material Ship Wt
Aluminum 21 kg (46 lbs)
Cast Iron 30 kg (66 lbs)
316 Stainless Steel 28 kg (67 lbs)

NON-WETTED HOUSINGS

Description Material
Center Section Aluminum, Stainless Steel

FLOW RATE TO 327 LPM (87 GPM)
MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY

6.9 m (22.7") Dry, 9.3 m (30.6") Wet

MAXIMUM DIAMETER SOLIDS

4.8 mm (3/16")

DISPLACEMENT PER STROKE

  • Rubber- 1.02 l (0.27 gal)
  • TPE- 1.10 l (0.29 gal)
  • PTFE Reduced Stroke- 0.53 l (0.14 gal)
  • PTFE Full Stroke- 1.0 l (0.26 gal)
  • Ultra-Flex- 0.76 l (0.20 gal)

Elastomer Options

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)
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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