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Wilden A2 25 mm (1") Metal AOD Pump See all Brands

The Wilden® A2 - 1" / 25 mm Original™ Series clamped metal AOD pumps are available in aluminum, alloy C or stainless steel.

They come equipped with the Accu-Flo™ Air Distribution System (ADS), which provides direct electrical interface control, reduced system costs, automated system operation and lube-free operation.

Elastomers are available in the following materials:
  • Buna-N
  • EPDM
  • Neoprene
  • Polyurethane
  • PTFE
  • Saniflex™
  • Viton®
  • Wil-Flex™

A2 Metal

  • Features & Benefits
  • Performance
  • Elastomer

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

WETTED HOUSINGS (Water Chambers and Manifolds)

MaterialShip Wt
Aluminum 12 kg (26 lbs)
Alloy C 18 kg (40 lbs)
Stainless Steel 16 kg (36 lbs)

NON-WETTED HOUSINGS

DescriptionMaterial
Center Section Aluminum, PTFE-coated Aluminum, Nickel-plated Aluminum or Polypropylene
Air Valve Aluminum, Acetal, Polypropylene or UHMW PE

FLOW RATE TO 129 LPM (34 GPM)
MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY

Model A2T

7.25 m Dry (23.8')

Model A2P

7.43 m Dry (24.4')

MAXIMUM DIAMETER SOLIDS

3.2mm (1/8")

DISPLACEMENT PER STROKE

Model A2T

  • Rubber- 0.33 l (.087 gal.)
  • PTFE- 0.15 l (.039 gal)

Model A2P

  • Rubber- 0.35 l (.092 gal.)
  • PTFE- 0.20 l (.054 gal)

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)

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