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

The Wilden® PS4 – 1-1/2" / 38 mm Stallion® Original™ Clamped Metal AOD pumps are available in aluminum and ductile iron.

They come equipped with the Pro-Flo® SHIFT Air Distribution System (ADS) that provides 60% savings in air consumption, more yield per SCFM, precisely metered air consumption for less product waste and maximum Mean Time Between Repair (MTBR). Available Pro-Flo SHIFT center section material is aluminum.

Elastomers are available in the following materials:

  • Geolast®
  • Polyurethane
  • Saniflex™
  • Wil-Flex™

PS4 stallion

  • Features & Benefits
  • Performance
  • Elastomer

Features & Benefits

  • Decades of proven performance
  • Excellent for abrasive products and solid-laden slurries
  • Intrinsically safe
  • Clamped connections for faster maintenance
  • Large internal clearance and flow-through design to prevent clogging
  • ON/OFF reliability
  • Unique ball/seat check valve assembly to maximize part life, suction lift and rates
  • Ultra-Flex diaphragm technology increases parts life
  • Polyurethane screen base for added durability
  • 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 system (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
  • Optimized applications

Performance

WETTED HOUSINGS (Water Chambers and Manifolds)

MaterialShip Wt
Aluminum 22 kg (49 lbs)
Ductile Iron 30 kg (66 lbs)

NON-WETTED HOUSINGS

DescriptionMaterial
Center Section Aluminum
Air Valve Aluminum

FLOW RATE TO 307 LPM (81 GPM)
MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY

5.7 m (18.7") Dry, 9.0 m (29.5") Wet

MAXIMUM DIAMETER SOLIDS

13 mm (1/2")

DISPLACEMENT PER STROKE

  • TPE EZ-Install- 0.8 l (0.22 gal)

Elastomer

MaterialTemperature Limits
Geolast® -40 to +82 °C (-40 to +180 °F)
Polyurethane -12 to +66 °C (+10 to +150 °F)
Saniflex™ -28.9 to +104.4 °C (+20 to +220 °F)
Wil-Flex™ -40 to +107.2 °C (-40 to +225 °F)

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