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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.

Diaphragm Gas Pumps

KNF offers a large selection of diaphragm pumps for sampling, evacuating and compressing applications. All pump types are based on the same working principle of an oscillating diaphragm inside the pump head offering oil-free, uncontaminated and maintenance-free operation.

Model Flow rate at
atm. pressure
(L/min)
Vacuum
(mbar absolute)
Pressure
(bar g)
 
Micro Pumps up to 12 down to 200 up to 1.5
Vacuum Pumps and Compressors up to 130 down to 0.5 up to 7.0
Chemically Resistant Pumps (PTFE & PVDF Heads) up to 60 down to 2.0 up to 1.5
Temperature-Resistant and Heated Pumps up to 100 down to 180 up to 1.5
ATEX Compliant Pumps up to 220 down to 53 up to 4.0
Double Diaphragm Pumps up to 130 down to 4 up to 3.0