AP40EXT3 pumps are completely metal-free with 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.
White Knight AP40EXT3 Pumps
Bellows Pumps
White Knight AP40EXT3 Pumps
Reliable PTFE and PFA Pumps for High-Purity Chemical Recirculation
- Metal-free 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





