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

The Wilden® APS4 – 1 1/2" / 38 mm Original™ Series Saniflo™ FDA model clamped metal AOD pumps meets the strict FDA guidelines established for sanitary process applications. The PS4 Saniflo FDA pump complies with all FDA CFR 21.177, USP Class VI, CE, 1935/2004/EC and ATEX requirements.

Inlet size is 38 mm (1-1/2"), and discharge size is 32 mm (1-1/4").

The wetted path material is 316 stainless steel with an Ra 1.3 μm (51.2 μin) interior polish for ease of cleaning.

PS4 saniflo FDA

Powered by the just-released stainless steel version of the energy-efficient Pro-Flo® SHIFT Air Distribution System (ADS), the PS4 Saniflo FDA pump provides:

  • EPDM
  • 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
  • PTFE
  • Saniflex™
  • Wil-Flex™
  • 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
Stainless Steel 28 kg (62 lbs)

NON-WETTED HOUSINGS

DescriptionMaterial
Center Section Stainless Steel
Air Valve Stainless Steel

FLOW RATE TO 375 LPM (99 GPM)
MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY


7.1 m (23.3") Dry, 8.6 m (28.4") Wet

MAXIMUM DIAMETER SOLIDS

4.8 mm (3/16")

DISPLACEMENT PER STROKE

  • Rubber- 1.0 l (0.26 gal)
  • EZ-Install TPE- 1.0 l (0.27 gal)
  • Full-Stroke PTFE- 1.0 l (0.27 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)
PTFE +4.4 to +104.4° C (+40 to +220° 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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