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Wilden PX820 – 51 mm (2″) Advanced™ FIT Metal Pump

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The Wilden® PX820 – 2″ / 51 mm Advanced™ FIT bolted metal AOD pumps are available in aluminum or stainless steel. Pipe connections are NPT or BSPT threads. The PX820 replaces the PX800 Drop-In.

They come equipped with the Pro-Flo X™ Air Distribution System (ADS) that 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
  • Geolast®
  • Neoprene
  • Polyurethane
  • PTFE
  • Saniflex™
  • Viton®
  • Wil-Flex™

Multiple options are available to meet your specific application requirements.

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Wilden PX820 – 51 mm (2″) Advanced™ FIT Metal Pump

Features & Benefits

Features & Benefits

  • Bolted product containment for superior containment, sealability and ease of maintenance
  • Intrinsically safe
  • Variable flow and pressure
  • Shear-sensitive
  • Dry-run capable
  • Portable and submersible
  • Viscous and non-viscous product transfer
  • Large solids passage
  • High suction lift
  • Ease of operation and maintenance

HIGHER ROI

  • Exact fit from bolt-down footprint to inlet/discharge connections to reduce installation costs and eliminate repiping expenses
  • Fewer fasteners compared to other pumps with easy accessibility using power tools for faster maintenance and less downtime
  • Flexibility in aligning the wetted path assembly through lateral adjustment of the manifolds for easier installation into poorly piped systems

DEPENDABLE

  • Longest Mean Time Between Repair (MTBR)
  • Increased On/Off reliability
  • Reduced turbulence
  • Superior torque retention
  • Anti-freezing ADS
  • Reduced internal friction
  • Largest chemical compatibilities

ECONOMICAL

  • Greater flow per SCFM input
  • Reduced air consumption and kilowatt usage
  • Lower operational costs and downtime
  • Optimized applications

Performance

Performance

WETTED HOUSINGS (WATER CHAMBERS AND MANIFOLDS)

Material Ship Wt
Aluminum 47 kg (104 lbs.)
Stainless Steel 50 kg (111 lbs)

 

NON-WETTED HOUSINGS

Description Material
Center Section Stainless Steel, Aluminum, Nickel-Plated Aluminum, Polypropylene
Air Valve Stainless Steel, Aluminum, Nickel-Plated Aluminum, Polypropylene

 

MAX FLOW RATE

Aluminum

  • Rubber- 658 lpm (174 gpm)
  • TPE EZ-Install- 650 lpm (172 gpm)
  • PTFE Reduced Stroke- 583 lpm (154 gpm)
  • PTFE Full Stroke- 650 lpm (172 gpm)
  • Ultra-Flex™- 587 lpm (155 gpm)

Stainless Steel

  • Rubber- 665 lpm (175.8 gpm)
  • TPE- 712 lpm (188.0 gpm)
  • PTFE Full Stroke- 653 lpm (172.4 gpm)
  • PTFE Reduced Stroke- 615 lpm (162.5 gpm)
  • Ultra-Flex™- 637 lpm (163.3 gpm)

MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY

Aluminum

  • Rubber- 6.9 m (22.7″) Dry, 8.7 m (28.4″) Wet
  • TPE EZ-Install- 6.2 m (20.4″) Dry, 9.7 m (31.8″) Wet
  • PTFE Full Stroke- 6.2 m (20.4″) Dry, 9.0 m (29.5″) Wet
  • PTFE Reduced Stroke- 4.7 m (15.4″) Dry, 9.0 m (29.5″) Wet
  • Ultra-Flex- 5.3 m (17.3″) Dry, 8.7 m (28.4″) Wet

Stainless Steel

  • Rubber- 6.6 m (21.8″) Dry, 9.0 m (29.5″) Wet
  • TPE- 6.4 m (21.0″) Dry, 9.0 m (29.5″) Wet
  • PTFE Full Stroke- 6.6 m (21.6″) Dry, 8.6 m (28.4″) Wet
  • PTFE Reduced Stroke- 4.3 m (14.0″) Dry, 7.9 m (26.0″) Wet
  • Ultra-Flex- 5.4 m (17.6″) Dry, 9.0 m (29.5″) Wet

MAXIMUM DIAMETER SOLIDS

6.4 mm (1/4”)

DISPLACEMENT PER STROKE

Aluminum

  • Rubber- 2.8 l (0.74 gal)
  • TPE EZ-Install- 2.5 l (0.67 gal)
  • PTFE Full Stroke- 2.4 l (0.65 gal)
  • PTFE Reduced Stroke- 1.7 l (0.45 gal)
  • Ultra-Flex- 1.9 l (0.50 gal)

Stainless Steel

  • Rubber Full Stroke- 2.7 l (0.72 gal)
  • TPE Full Stroke- 2.8 l (0.74 gal)
  • PTFE Full Stroke- 2.4 l (0.63 gal)
  • PTFE Reduced Stroke- 1.9 l (0.50 gal)
  • Ultra-Flex- 2.0 l (0.54 gal)

Elastometer Options

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)
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)

Wilden PX820 – 51 mm (2″) Advanced™ FIT 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.