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.

View Our Products

Specialty Series

View All

Wilden Markets

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.

View Our Markets

Wilden Support

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.

View Our Support Options
PS400 Plastic Bolted

38 mm (1-1/2") Pro-Flo® SHIFT Series Bolted Plastic Pump PS400

AIR INLET
  • 3/4" FNPT
LIQUID INLET
  • 38 mm (1-1/2")
LIQUID DISCHARGE
  • 38 mm (1-1/2")
CONNECTION TYPE
  • DIN/ANSI (Flanged)
MAX SUCTION LIFT CAPABILITY
  • Rubber – 5.4 m (17.6') Dry, 9.0 m (29.5') Wet
  • EZ-Install TPE – 4.0 m (13.1') Dry, 9.0 m (29.5') Wet
  • Full-Stroke PTFE – 5.6 m (18.4') Dry, 9.0 m (29.5') Wet
MAX FLOW RATE
  • Rubber – 458 lpm (121 gpm)
  • EZ-Install TPE – 447 lpm (118 gpm)
  • Full-Stroke PTFE – 447 lpm (118 gpm)
MAX PRESSURE
  • 8.6 bar (125 psi)
MAX DIAMETER SOLIDS
  • 6.4 mm (1/4'')
DISPLACEMENT PER STROKE *
  • Rubber – 1.1 L (0.28 gal)
  • EZ-Install TPE – 1.1 L (0.28 gal)
  • Full-Stroke PTFE – 1.0 L (0.27 gal)
  • * 1 cycle = 2 strokes
Order Online
  • icon_cert-CE

Features and Benefits

The Wilden® bolted plastic air-operated double-diaphragm (AODD) pump combines maximum performance and efficiency with superior containment. Wilden's bolted-construction pumps offer improved flow rates and a redesigned liquid path that reduces internal friction for maximum output and longer diaphragm life.

  • DIN or ANSI flanged inlet/discharge liquid connections

Want to see how benefits of Pro-Flo SHIFT compare to the competition? Visit the Wilden Comparison Central Blog.

  • Featuring the energy-efficient Pro-Flo® SHIFT ADS
  • Greater flow - more gallons pumped per SCFM
  • Reduced air consumption and kilowatt usage
  • Bolted construction for superior containment
  • Large-solids passage
  • High suction lift
  • Ease of operation and maintenance
  • Increased on/off reliability
  • Longest Mean Time Between Repair (MTBR)

Downloads

EOMs

Model: PS400 | Code: WIL-11430-E-04

Spec Sheets

Model: PS400 | Code: WIL-11430-T-03

Performance and Specifications

Dimensions

Dim-PS400-38mm-1.5in-PF-SBPP

Note: Dimensions vary by material and connection. For additional information, please refer to the PS400 Plastic Manual.

Flow Curve – EZ-Install TPE-Fitted

Flo-Dim-PS400-38mm-1.5in-PF-SBPP

Note: Additional performance curves can be found in the PS400 Plastic Manual.

AIR INLET
  • 3/4" FNPT
LIQUID INLET
  • 38 mm (1-1/2")
LIQUID DISCHARGE
  • 38 mm (1-1/2")
CONNECTION TYPE
  • DIN/ANSI (Flanged)
MAX FLOW RATE
  • Rubber – 458 lpm (121 gpm)
  • EZ-Install TPE – 447 lpm (118 gpm)
  • Full-Stroke PTFE – 447 lpm (118 gpm)
MAX PRESSURE
  • 8.6 bar (125 psi)
MAXIMUM DIAMETER SOLIDS
  • 6.4 mm (1/4')
MAX SUCTION LIFT CAPABILITY
  • Rubber – 5.4 m (17.6') Dry, 9.0 m (29.5') Wet
  • EZ-Install TPE – 4.0 m (13.1') Dry, 9.0 m (29.5') Wet
  • Full-Stroke PTFE – 5.6 m (18.4') Dry, 9.0 m (29.5') Wet
DISPLACEMENT PER STROKE *
  • Rubber – 1.1 L (0.28 gal)
  • EZ-Install TPE – 1.1 L (0.28 gal)
  • Full-Stroke PTFE – 1.0 L (0.27 gal)
  • * 1 cycle = 2 strokes

Wetted Housings

Material Ship Weight
Polypropylene 28 kg (62 lb)
PVDF 32 kg (70 lb)

Non-Wetted Housings

Description Material
Center Block Polypropylene
Air Valve Polypropylene
Air Chamber 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)
FKM -40°C to 177°C (-40°F to 350°F)
Geolast® -40°C to 82°C (-40°F to 180°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