Wilden PX4 – 38 mm (1 1/2″) Original Plastic Pump

The Wilden® PS4 – 1 1/2″ / 38 mm Original™ Series clamped plastic AOD pumps are available in polypropylene or PVDF.

Up to 60% savings in air consumption over competitive AODD pump technologies
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
Geolast®
Neoprene
Polyurethane
PTFE
Saniflex™
Viton®
Wil-Flex™

Contact Us

We Respond Within 6 Hours

Wilden PX4 – 38 mm (1 1/2″) Original Plastic Pump

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)

Material	Ship Wt
Polypropylene	18 kg (40 lbs)
PVDF	24 kg (52 lbs)

NON-WETTED HOUSINGS

Description	Material
Center Block	Polypropylene, Stainless Steel, Aluminum or Nickel-Plated Aluminum
Air Chambers	Aluminum, PFA-Coated Aluminum or 316 Stainless Steel
Air Valve	Polypropylene, Aluminum or Stainless Steel

FLOW RATE TO 379 LPM (100 GPM)
MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY

6.2 m (20.4″) Dry, 8.3 m (27.2″) Wet

MAXIMUM DIAMETER SOLIDS

4.8 mm (3/16″)

DISPLACEMENT PER STROKE

Rubber- 1.0 l (0.26 gal)
TPE EZ-Install- 1.0 L (0.26 gal)
PTFE Full Stroke- 1.0 L (0.26 gal)

Elastometer Options

Elastomer

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)
Geolast®	-40 to +82°C (-40 to +180°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)

Manuals

Manuals

Wilden PX4 – 38 mm (1 1/2″) Original Plastic Pump Manual

Following are a wide range of installation, engineering, and maintenance manuals for Wilden diaphragm pumps. These can assist you in ordering any spares parts you may require, and assist with any installation and troubleshooting you may encounter.