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Not only are Wilden pumps the most cost-effective, reliable and energy-efficient solutions available, but our state-of-the-art air distribution systems (ADS) significantly increase positive displacement pump productivity by reducing air consumption and maintenance for the most energy-efficient AODD pump operation possible.

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Wilden® positive displacement air-operated double-diaphragm (AODD) pump solutions are leading the way in a host of industries and applications.

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PS4 Saniflow FDA SS

38 mm (1-1/2") Pro-Flo® SHIFT Saniflo™ FDA Series Clamped Metal Pump PS4

AIR INLET
  • 3/4" FNPT
LIQUID INLET
  • 38 mm (1-1/2")
LIQUID DISCHARGE
  • 38 mm (1-1/2")
CONNECTION TYPE
  • Tri-Clamp®
MAX SUCTION LIFT CAPABILITY
  • Rubber – 7.0 m Dry (22.9'), 8.6 m Wet (28.4')
  • EZ-Install TPE – 7.0 m Dry (22.9), 8.6 m Wet (28.4')
  • Full-Stroke PTFE – 7.0 m Dry (22.9), 8.6 m Wet (28.4')
MAX FLOW RATE
  • Rubber – 310 lpm (82 gpm)
  • EZ-Install TPE – 314 lpm (83 gpm)
  • Full-Stroke PTFE – 375 lpm (99 gpm)
MAX PRESSURE
  • 8.6 bar (125 psi)
MAX DIAMETER SOLIDS
  • 4.8 mm (3/16")
DISPLACEMENT PER STROKE *
  • Rubber – 1.0 L (0.27 gal)
  • EZ-Install TPE – 1.0 L (0.27 gal)
  • Full-Stroke PTFE – 1.0 L (0.27 gal)
  • * 1 cycle = 2 strokes
  • EC-1935-LOGO
  • fda_logo
  • ce_logo
  • atex_logo

Features and Benefits

Saniflo™ FDA Series pumps are designed for standard food applications that don’t require the Hygienic™ Series (HS) design or clean-in-place (CIP) capability. They are well suited for sanitary applications moving high-acid, high-sugar and high-fat media. With simple installation and robust design, FDA pumps comply with FDA, CE, EC 1935/2004 and ATEX requirements.
  • Featuring the energy-efficient Pro-Flo® SHIFT ADS
  • Greater flow - more gallons pumped per SCFM
  • Tri-Clamp® connections with wingnut clamped design
  • Quick breakdown/reassembly for cleaning
  • Shear sensitive
  • Robust durability
  • Straight flow-through design

Performance and Specifications

Dimensions

Dim-PS4-38mm1.5-PSFS-FDA-MP

Note: Dimensions vary by material and connection. For additional information, please refer to the PS4 Metal Manual.

Flow Curve – EZ-Install TPE-Fitted

Flo-PS4-38mm1.5-PFSSHS-MP

Note: Additional performance curves can be found in the PS4 Metal Manual.

AIR INLET
  • 3/4" FNPT
LIQUID INLET
  • 38 mm (1-1/2")
LIQUID DISCHARGE
  • 38 mm (1-1/2")
CONNECTION TYPE
  • Tri-Clamp®
MAX FLOW RATE
  • Rubber – 310 lpm (82 gpm)
  • EZ-Install TPE – 314 lpm (83 gpm)
  • Full-Stroke PTFE – 375 lpm (99 gpm)
MAX PRESSURE
  • 8.6 bar (125 psi)
MAX DIAMETER SOLIDS
  • 4.8 mm (3/16")
MAX SUCTION LIFT CAPABILITY
  • Rubber – 7.0 m Dry (22.9'), 8.6 m Wet (28.4')
  • EZ-Install TPE – 7.0 m Dry (22.9), 8.6 m Wet (28.4')
  • Full-Stroke PTFE – 7.0 m Dry (22.9), 8.6 m Wet (28.4')
DISPLACEMENT PER STROKE *
  • Rubber – 1.0 L (0.27 gal)
  • EZ-Install TPE – 1.0 L (0.27 gal)
  • Full-Stroke PTFE – 1.0 L (0.27 gal)
  • * 1 cycle = 2 strokes

Wetted Housings

Material Ship Weight
Stainless Steel 28 kg (62 lb)

Non-wetted Housings

Description Material
Center Section Aluminum, Nickel-Plated, Stainless Steel, Polypropylene
Air Valve Aluminum, Nickel-Plated, Stainless Steel, Polypropylene
Air Chamber Aluminum, Nickel-Plated, Stainless Steel

Elastomer Options

Material Temperature Limits
Buna-N -12°C to 82°C (10°F to 180°F)
EPDM -51°C to 138°C (-60°F to 280°F)
FKM -40°C to 177°C (-40°F to 350°F)
PTFE* 4°C to 104°C (40°F to 220°F)
Saniflex™ -29°C to 104°C (-20°F to 220°F)

* 4°C to 149°C (40°F to 300°F) - 13 mm (1/2") and 25 mm (1") models only