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Pumps for CMP Polishing
White Knight’s high-purity pumps feature Pneumatic Logic™, which reduces pulsation to prevent shear while gently pumping slurry. The pumps have long life spans and have been proven to operate reliably in the most demanding chemical environments.
PSD Series air-operated double-diaphragm (AODD) pumps feature UHMW (PE) fluid paths to allow for longer lifespans in abrasive slurry.
White Knight PSA060 and PSA140 pumps offer flow rates up to 60 lpm (16 gpm) and 140 lpm (36 gpm), respectively. They are capable of up to 7 Bar (100 psi) air supply pressures and fluid temperatures up to 100°C (212°F). They contain no metals and feature PTFE and PFA fluid paths. See PSA Series for details.
Compare Pump Performance
PSA060 Performance Curves
PSD08 Performance Curves
PSA140 Performance Curves
PSD16 Performance Curves
PSD24 Performance Curves
Compare Maximum Flow Rates
PSA060 - 62 lpm (16 gpm)
PSD08 - 63 lpm (16.5 gpm)
PSA140 - 123 lpm (32 gpm)
PSD16 - 142 lpm (37.5 gpm)
PSD24 - 322 lpm (85.2 gpm)
Automatically maintain laminar flow or steady pressure. White Knight closed-loop systems feature metal-free pumps with PTFE and PFA flow paths. They provide stable temperatures, dead-head, and suction lift.
White Knight’s closed-loop systems provide complete control of high-purity chemical processes and delivery systems. They simplify process automation to save customers’ time and resources, and they reduce costs by eliminating the need for expensive pressure systems.
- ≤ 140 lpm (36 gpm) flow rates
- ≤ 7 Bar (100 psi) pressures
- ≤ 210°C (410°F) temperatures
- Maintain stable temperatures
- No metals, no corrosion
- No elastomer O-rings, no leaks
- No electric motors, no heat rise
- No impellers, no microbubbles
High-Purity Closed-Loop Pump Systems