OEM Pumps

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.

Micro Diaphragm Gas Pumps

KNF micro diaphragm gas-sampling pumps are extremely compact with patented technology that guarantees high performance. DC motors of variously rated voltages are available. These pumps are often used in analytical instruments and medical technology.

Model Flow rate at
atm. pressure
(mbar absolute)
(bar relative)
NMP 03 up to 0.33 down to 600 up to 0.37
NMP 05 up to 0.45 down to 500 up to 0.4
NMS 010 up to 0.75 down to 600 up to 0.2
NMP 09 up to 0.85 down to 500 up to 0.65
NMP 015 up to 1.6 down to 400 up to 0.9
NMS 020 up to 1.8 down to 500 up to 0.5
NMP 015.1.2 up to 2.1 down to 600 up to 0.6
NMP 830 up to 3.1 down to 240 up to 1.4
NMP 850 up to 4.5 down to 230 1.5
NMP 830 HP up to 5 down to 220 up to 3
NMP 850.1.2 up to 8.0 down to 230 1.5
NMP 830.1.2 HP up to 10 down to 200 up to 3
NMS 030.1.2 up to 12.0 down to 200 up to 0.2