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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P8 Pro-Flo 2 Plastic

51 mm (2") Pro-Flo® Series Clamped Plastic Pump (P8)

AIR INLET
  • 1/2" FNPT
LIQUID INLET
  • 51 mm (2")
LIQUID DISCHARGE
  • 51 mm (2")
CONNECTION TYPE
  • DIN/ANSI (Flanged)
MAX SUCTION LIFT CAPABILITY
  • Rubber – 7.4 m (24.4') Dry, 8.6 m (28.4') Wet
  • TPE – 5.9 m (19.3') Dry, 8.6 m (28.4') Wet
  • Full-Stroke PTFE – 6.4 m (21.0') Dry, 8.6 m (28.4') Wet
  • Reduced-Stroke PTFE – 4.27 m (14.0') Dry, 9.45 m (31.0') Wet
  • Ultra-Flex™ – 4.88 m (16.0') Dry, 8.84 m (29.0') Wet
MAX FLOW RATE
  • Rubber – 591 lpm (156 gpm)
  • TPE – 583 lpm (154 gpm)
  • Full-Stroke PTFE – 562 lpm (148 gpm)
  • Reduced-Stroke PTFE – 481 lpm (127 gpm)
  • Ultra-Flex™ – 560 lpm (148 gpm)
MAX PRESSURE
  • 8.6 bar (125 psi)
MAX DIAMETER SOLIDS
  • 6.35 mm (1/4'')
DISPLACEMENT PER STROKE *
  • Rubber – 2.8 L (0.73 gal)
  • TPE – 2.8 L (0.73 gal)
  • Full-Stroke PTFE – 2.6 L (0.69 gal)
  • Reduced-Stroke PTFE – 0.53 L (0.47 gal)
  • Ultra-Flex™ – 2.12 L (0.56 gal)
  • * 1 cycle = 2 strokes
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Features and Benefits

When Jim Wilden first added a plastic pump series to his product portfolio, he designed it with what he knew best: a clamped pump. Incorporating the same benefits as a clamped metal pump, these plastic versions offer a simple, rugged design that is ideally suited for chemical applications. Engineered with ease of maintenance in mind, clamped plastic pumps are simple to install and are made for quick serviceability, allowing the pump to be taken apart and put back together with only a single tool. Proven by the test of time, hundreds of thousands of Jim Wilden's clamped plastic pumps have pumped billions of gallons of fluid on an annual basis.

  • DIN and ANSI flanged inlet/discharge liquid connections
  • Rotatable inlet and discharge for flexibility
  • Decades of proven performance
  • Clamped connections for faster maintenance
  • Low cost
  • Simple installation
  • Ease of operation and maintenance

Downloads

EOMs

Model: P8 | Code: WIL-10187-E-03

Dimensional Drawings

Spec Sheets

Model: P8 | Code: WIL-10187-T-02

Performance and Specifications

Dimensions

Dim-P8-51mm2in-CPP

Note: Dimensions vary by material and connection. For additional information, please refer to the P8 Plastic Manual.

Flow Curve – TPE-Fitted

Flo-P8-51mm2in-CPP

Note: Additional performance curves can be found in the P8 Plastic Manual.

AIR INLET
  • 1/2" FNPT
LIQUID INLET
  • 51 mm (2")
LIQUID DISCHARGE
  • 51 mm (2")
CONNECTION TYPE
  • DIN/ANSI (Flanged)
MAX FLOW RATE
  • Rubber – 591 lpm (156 gpm)
  • TPE – 583 lpm (154 gpm)
  • Full-Stroke PTFE – 562 lpm (148 gpm)
  • Reduced-Stroke PTFE – 481 lpm (127 gpm)
  • Ultra-Flex™ – 560 lpm (148 gpm)
MAX PRESSURE
  • 8.6 bar (125 psi)
MAX DIAMETER SOLIDS
  • 6.35 mm (1/4'')
MAX SUCTION LIFT CAPABILITY
  • Rubber – 7.4 m (24.4') Dry, 8.6 m (28.4') Wet
  • TPE – 5.9 m (19.3') Dry, 8.6 m (28.4') Wet
  • Full-Stroke PTFE – 6.4 m (21.0') Dry, 8.6 m (28.4') Wet
  • Reduced-Stroke PTFE – 4.27 m (14.0') Dry, 9.45 m (31.0') Wet
  • Ultra-Flex™ – 4.88 m (16.0') Dry, 8.84 m (29.0') Wet
DISPLACEMENT PER STROKE *
  • Rubber – 2.8 L (0.73 gal)
  • TPE – 2.8 L (0.73 gal)
  • Full-Stroke PTFE – 2.6 L (0.69 gal)
  • Reduced-Stroke PTFE – 0.53 L (0.47 gal)
  • Ultra-Flex™ – 2.12 L (0.56 gal)
  • * 1 cycle = 2 strokes
WETTED HOUSINGS 
Material Ship Wt
Polypropylene 34 kg (75 lb)
NON-WETTED HOUSINGS
Description Material
Center Block Polypropylene
Air Valve Polypropylene
Air Chamber Aluminum, PTFE-Coated Aluminum, 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)
Neoprene -18°C to 93°C (0°F to 200°F)
PTFE* 4°C to 104°C (40°F to 220°F)
Polyurethane -12°C to 66°C (10°F to 150°F)
Saniflex™ -29°C to 104°C (-20°F to 220°F)
Wil-Flex™ -40°C to 107°C (-40°F to 225°F)

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