White Knight AP40EXT3 Pumps

Reliable Teflon® PTFE and PFA Pumps for High-Purity Chemical Recirculation

AP40 EXT3 High-Purity Chemical Recirculation Pump

Overview

AP40EXT3 pumps are completely metal-free with Teflon® PTFE and PFA fluid paths. These high-purity pumps distribute chemicals at temperatures up to 100°C (212°F), offer air supply pressures up to 4 Bar (60 psi), and are capable of up to 14 lpm flow rates.

Features & Benefits

  • Metal-free Teflon® PTFE and PFA liquid path
  • Leak-proof, machined design
  • No elastomer O-rings, no leaks, never retorque
  • No lubrication in shift mechanisms
  • No electric motors, which generate heat
  • Pneumatic Logic™ minimizes pulsation and vibration
  • Various liquid connection options
  • Safe, leak-free operation due to no-metal design
  • Ceramic in air shuttle valve
  • Minimal parts for durable design
  • Class 100 cleanroom assembly, testing, and packaging
  • Easy to install and service
  • Proven reliable to 200 million+ cycles
  • No preventative maintenance during one-year warranty
White Knight Ultra-Pure Teflon PTFE and PFA Pump Materials
Chemical Recirculation 4 Bar (60 psi) Pressures
Pump Temperatures to 100 Degrees Celsius (212 Degrees Fahrenheit)
White Knight Pneumatic Shuttle Valve Shift Method
White Knight Three-Year Warranty
White Knight Ultra-Pure Teflon PTFE and PFA Pump Materials
Chemical Recirculation 4 Bar (60 psi) Pressures
Pump Temperatures to 100 Degrees Celsius (212 Degrees Fahrenheit)
White Knight Pneumatic Shuttle Valve Shift Method
White Knight Three-Year Warranty

Operation

APEXT3 pumps feature White Knight’s Pneumatic Logic™, a detent-free shuttle valve design that improves performance and reliability by minimizing vibration, pulsation and wear.

Supply Air

Exhaust Air

Ambient Air

Liquid Suction

Liquid Discharge

Temperature Limits

Performance

Dimensions

Specifications

Model
AP40EXT3
Max Flow Rate*
14 lpm (3 gpm)
Size of Air Connection
1/4, 3/8 or 1/8 in FNPT
Displacement Per Cycle*
0.189 liters (0.05 gal)
Cycles Per Minute*
≤ 80
Weight
4.6 kg (10.2 lb)
Suction Lift*
1 m (3 ft)
Sound Pressure**
70.99 dB(a)
72.53 dB(a)
Sound Power**
59.11 dB(a)
60.74 dB(a)
Max Pressure
4 Bar (60 psi)
Max Temperature
100°C (212°F)
Fluid Path Materials
PTFE / PFA
Non-Fluid Path Materials
PTFE / PFA / PP / ceramic
Stroke Detection Options
Fiber optic with or withough sensor, or solid state pressure switch
Leak Detection Options
Fiber optic with or without sensor, or conductivity
Electronic Control
Available
Model
AP40EXT3

*May vary depending on configuration. Suction lift diminishes over time. Recommended installation level less than 3 ft above source.
**dB Level at 60 psi 50CPM (top) and 60 psi maximum CPM (bottom). Sound Levels measured in accordance with ISO9614-2:1997.
***Dry-run capable PSASD030 and PSASD060 pumps require flooded suction and may have a reduced warranty unless prior arrangements are made with White Knight. Contact White Knight for details.