Wilden Products

Durability, Reliability and Cost Savings

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® solves pumping challenges across the spectrum

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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The Wilden World of Service and Support - Assistance Beyond Expectations

Wilden® is always ready to assist with technical support for Wilden AODD pumps, parts or accessories.

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Chem-Fuse Savings Calculator

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6 mm (1/4") Pro-Flo SHIFT Series Bolted Plastic Pump (PS25) 6 mm (1/4") Pro-Flo SHIFT Series Bolted Plastic Pump Reversed (PS25)

6 mm (1/4") Pro-Flo SHIFT Series Bolted Plastic Pump PS25

AIR INLET
  • 1/4" FNPT
LIQUID INLET
  • 6 mm (1/4")
LIQUID DISCHARGE
  • 6 mm (1/4")
CONNECTION TYPE
  • FNPT/FBSPT (Threaded)
MAX SUCTION LIFT CAPABILITY
  • 4.2 m (14') Dry, 8.5 m (28') Wet
MAX FLOW RATE
  • 21.6 lpm (5.7 gpm)
MAX PRESSURE
  • 8.3 bar (120 psi)
MAX DIAMETER SOLIDS
  • 1.6 mm (1/16")
DISPLACEMENT PER STROKE *
  • 0.0397 L (0.0105 gal)
  • * 1 cycle = 2 strokes
  • icon_cert-CE

Features and Benefits

Combining elegant simplicity with maximum performance and efficiency that end users have come to depend on for more than 20 years, the 6 mm (1/4") Wilden® Pro-Flo® SHIFT Series PS25 Bolted Plastic AODD Pump offers improved flow rates and an optimized liquid path that reduces internal friction, maximizing output and extending diaphragm life. The Pro-Flo SHIFT PS25 pump provides the flexibility, reliability, performance and dependability required in challenging dosing and batching applications.

  • Simple and durable design
  • Longest-lasting wear parts
  • Lube-free operation
  • Bolted construction for superior containment
  • High suction lift
  • Ease of operation and maintenance

Performance and Specifications

Dimensions

Dim-PS25

Note: For additional information, please refer to the PS25 Bolted Plastic Manual (EOM).

Flow Curve – Rubber-Fitted

Flo-Dim-PS25
AIR INLET
  • 1/4" FNPT
LIQUID INLET
  • 6 mm (1/4")
LIQUID DISCHARGE
  • 6 mm (1/4")
CONNECTION TYPE
  • FNPT/FBSPT (Threaded)
MAX SUCTION LIFT CAPABILITY
  • 4.2 m (14') Dry, 8.5 m (28') Wet
MAX FLOW RATE
  • 21.6 lpm (5.7 gpm)
MAX PRESSURE
  • 8.3 bar (120 psi)
MAX DIAMETER SOLIDS
  • 1.6 mm (1/16")
DISPLACEMENT PER STROKE *
  • 0.0397 L (0.0105 gal)
  • * 1 cycle = 2 strokes

Wetted Housings

Material Ship Weight
Polypropylene 1.2 kg (2.6 lb)
PVDF 1.7 kg (3.8 lb)

Non-Wetted Housings

Description Material
Center Section Polypropylene
Air Valve Polypropylene

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)
Geolast® -40°C to 82°C (-40°F to 180°F)
FKM -40°C to 177°C (-40°F to 350°F)
PTFE* 4°C to 104°C (40°F to 220°F)
Wil-Flex™ -40°C to 107°C (-40°F to 225°F)