Wilden® P4 – 1 1/2" / 38 mm Air-Operated Double-Diaphragm (AODD) Original™ Series Plastic Pump

The Wilden® P4 – 1 1/2" / 38 mm Original™ Series clamped plastic Air-Operated Double-Diaphragm (AODD) Pump ensures reliability without sacrificing ease of maintenance. With simple installation and easy serviceability, it’s ready for rugged utilitarian applications that require a robust design.

Available wetted path materials are polypropylene or PVDF.

The Wilden P4 comes equipped with the Pro-Flo® Air Distribution System (ADS), which provides the longest-lasting wear parts, on/off reliability, maximum Mean Time Between Repair (MTBR) and lube-free operation.

Elastomers are available in the following materials:

  • Buna-N
  • EPDM
  • Neoprene
  • Polyurethane
  • PTFE
  • Saniflex™
  • Viton®
  • Wil-Flex™

Features & Benefits

Benefits and Features

The Successful Solution

  • 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

  • Low cost
  • Simple installation
  • Ease of maintenance

Performance

Performance

WETTED HOUSINGS

(Water Chambers and Manifolds)

Material Ship Wt
Polypropylene 16.8 kg (37 lbs)
PVDF 21.3 kg (47 lbs)

NON-WETTED HOUSINGS

Description Material
Center Block Polypropylene
Air Valve Polypropylene
Air Chambers Aluminum, 316 S.S.

FLOW RATE TO 354 LPM (94 GPM)

MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY

4.9 m (16') Dry, 7.9 m (26') Wet

MAXIMUM DIAMETER SOLIDS

4.8 mm (3/16'')

DISPLACEMENT PER STROKE

  • Rubber- 1.9 l (.314 gal)
  • TPE- 1.18 l (.311 gal)
  • PTFE Reduced Stroke- 0.53 l (.139 gal)
  • PTFE Full Stroke- 1.0 l (.27 gal)

Elastomer

Elastomer Options

Material Temperature Limits
Buna-N -12.2 to +82.2 °C (+10 to +180 °F)
EPDM -51.1 to +137.8 °C (-60 to +280 °F)
Neoprene -17.8 to +93.3 °C (+0 to +200 °F)
Polyurethane -12.2 to +65.6 °C (+10 to +150 °F)
PTFE +4.4 to +104.4 °C (+40 to +220 °F)
Saniflex™ -28.9 to +104.4 °C (+20 to +220 °F)
Viton® -40 to +176.7 °C (-40 to +350 °F)
Wil-Flex™ -40 to +107.2 °C (-40 to +225 °F)

Certifications

Certifications

CE Mark (Conformité Européene - European Conformity)

CE

Wilden Pump & Engineering LLC has met the criteria for placing the CE mark on our product line. On December 3, 1999, Wilden fully self-certified its product line by meeting all the regulations of the Machinery and PED (Pressure Equipment) Directives. Every pump manufactured by Wilden will now receive the CE mark. Each pump box will also include a Safety Supplement manual in the eleven official languages of the European Community. This CE mark certification is indicative of Wilden's pledge to providing our distributor network with all the sales tools necessary to excel in a global economy.

Videos

Videos

 

See all the latest videos about the amazing Pro-Flo SHIFT series of products at www.ProFloSHIFT.com