New liquid diaphragm pump doubles previous flow rates
Ken Thayer | June 14, 2019
FK100 low pulsation liquid diaphragm pump. Source: KNF
KNF has announced a new low-pulsation liquid diaphragm pump that delivers up to 12 liters per minute (L/min), almost double previous maximum outputs. The rugged FK100 pump is available in a variety of materials for damanding applications including transfer, recirculation, temperature management and aspiration of liquids. The pump is suitable for a myriad of industries, including:
- Industrial inkjet printing
- Cleaning and disinfection
- Fuel cells
- Medical device
- Lab equipment
- Food and beverage (with NSF-certified materials)
- Computers
- Electronics
- Chemical and agriculture
- Pharmaceuticals
- Semiconductor
- Solar energy
The pump design features three diaphragms, with one inlet and one outlet that are connected in parallel and offset by 120° from each other. This design results in very low pulsation and shear forces. Extensive testing has proven pulsation below 200 millibar (mbar) at the inlet and outlet.
The pump is manufactured with an aluminum housing and features a high-torque single-phase AC motor or 24 V DC motor that provides up to 87 pounds per square inch gauge (psig) back pressure under continuous operation. The pump is self-priming and has a 13.5 in of mercury (inHg) suction height.
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