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

9PX4

The Wilden® PX4 – 1 1/2″ / 38 mm Original™ Series clamped metal AOD pumps are available in aluminum, stainless steel or cast iron.

They come equipped with the Pro-Flo X™ Air Distribution System (ADS) which provides superior flow rates, variable control, the patented Efficiency Management System (EMS™), 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™

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

Features & Benefits

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

  • Low cost
  • Simple installation
  • Ease of maintenance

Performance

Performance

WETTED HOUSINGS (WATER CHAMBERS AND MANIFOLDS)

MaterialShip Wt
Aluminum21 kg (46 lbs)
Cast Iron30 kg (66 lbs)
316 Stainless Steel28 kg (67 lbs)

 

NON-WETTED HOUSINGS

DescriptionMaterial
Center SectionAluminum, Stainless Steel

FLOW RATE TO 327 LPM (87 GPM)
MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY

6.9 m (22.7″) Dry, 9.3 m (30.6″) Wet

MAXIMUM DIAMETER SOLIDS

4.8 mm (3/16″)

DISPLACEMENT PER STROKE

  • Rubber- 1.02 l (0.27 gal)
  • TPE- 1.10 l (0.29 gal)
  • PTFE Reduced Stroke- 0.53 l (0.14 gal)
  • PTFE Full Stroke- 1.0 l (0.26 gal)
  • Ultra-Flex- 0.76 l (0.20 gal)

Elastometer Options

Elastomer Options

MaterialTemperature 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)

Wilden PX4 – 38 mm (1 1/2″) Original Metal 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.

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