As a technology leader, KNF offers OEM gas and liquid pumps that enable design engineers to create high-quality systems and devices across multiple industries. We understand and anticipate the needs of each customer and every environment in which our pumps will perform. Additionally, our modular system allows us to custom-design pumps to meet your specific application requirements using a variety of specialized parts and materials.

Swing-piston pumps

Swing-piston compressors produce oil-free compressed air and vacuum. They evacuate, transfer and compress air without contamination. The KNF swing-piston system offers a higher flow rate than the corresponding diaphragm pumps of the same dimensions.

Model Flow rate at
atm. pressure
(L/min)
Vacuum
(mbar absolute)
Pressure
(psig)
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NPK 03 KVDC-B4 2.7 250 79.8
NPK 03 KVDC 3 250 79.8
NPK 04 KVDC Vacuum 3.3 300 8.7
NPK 04 KVDC Pressure 3.3 550 29
NPK 04 KVDC-B Vacuum 3.3 300 8.7
NPK 04 KVDC-B Pressure 3.3 550 29
NPK 09 AC 12 100 101.5
NPK 09 DC 15 100 101.5
NPK 018 DC Pressure 18 - 21.8
NPK 018 DC Vacuum 18 120 -
NPK 09.1 AC Vacuum 24 100 -
NPK 09.2 AC Pressure 24 - 102
NPK 09.1/.2/.1.2 AC 24 100 101.5
NPK 25 DC 25 180 58
NPK 25 AC 30 180 72.5
NPK 050 AC 50 80 29
NPK 0100 AC 78 80 29