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Process Pumps

KNF designs and manufactures diaphragm pumps for sampling, transferring, evacuating and compressing process media for many industrial applications. Our oil-free diaphragm pumps meet discerning engineer's requirements for robust and contamination-free performance under the most challenging and corrosive conditions. Additionally, our modular system allows us to custom-design pumps to meet your specific application requirements.

Featured Video: KNF Process Media Pumps for Industrial Applications

HAZLOC Compliant Pumps

KNF process pumps produce deep end-vacuum and contaminate-free media transfer. Explosion-proof, gas-tight, heated, and heat-resistant models also available.
Visit knfusa.com/exproof to learn more

The National Fire Protection Association (NFPA) provides free access to safety codes and standards.
Visit NFPA.org to learn more

Model Flow rate at
atm. pressure
L/min (CFM)
Vacuum
mbar absolute (in. Hg)
Pressure
bar g (PSIG)
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UN726FTI EX 17 (0.6) 67 (27.95) 1.4 (20)
UN726.1.2FTI EX 30 (1.1) 67 (27.95) 1.4 (20)
UN726.3FTI EX 17 (0.6) 14 (29.5) vacuum only
UN860FTI EX 60 (2.1) 80 (27.6) 1.4 (20)
UN860.1.2FTI EX 110 (3.9) 100 (27) 1 (15)
UN860.3FTI EX 60 (2.1) 2 (29.86) 1 (15)
UN026STI EX 17 (0.6) 102 (26.9) 2.4 (36)
UN726STI EX 17 (0.6) 46 (28.55) vacuum only
UN026.2STI EX 31 (1.1) 106 (26.8) 2 (30)
UN726.3STI EX 17 (0.6) 6 (29.74) vacuum only
UN035STI EX 29.2 (1.0) 100 (27) 3.4 (50)
UN035.1.2STI EX 56.1 (2.0) 100 (27) 4.1 (60)
UN035.3STI EX 29.2 (1.0) 14 (29.5) vacuum only
UN035TTI EX 29.2 (1.0) 100 (27) 3.4 (50)
UN035.1.2TTI EX 56.1 (2.0) 100 (27) 4.1 (60)
UN035.3TTI EX 29.2 (1.0) 14 (29.5) vacuum only
UN026ANI EX 25 (0.9) 102 (26.9) 2.4 (36)
UN726ANI EX 20 (0.7) 46 (28.55) vacuum only
UN026.2ANI EX 46 (1.6) 100 (27) 2 (30)
UN726.3ANI EX 20 (0.7) 6 (29.74) vacuum only