Menu Close
Choose your Country

Your country is not included? Please visit our global website

KNF Diaphragm Pumps

KNF specialises in custom-engineered diaphragm and swing piston pump solutions for original equipment manufacturers (OEMs). Founded in 1946, KNF each year delivers more than 2000 customised pump designs on average for diverse markets, based on modifying our standard products for optimal application-specific performance. Our customers value KNF as a reliable partner every step of the way. 

More about Diaphragm pumps
01
01

KNF Diaphragm Pumps - for every type of medium

Start your journey with this selection of popular KNFLiquid, Micro Gas and Higher Flow Gas pumps. Or, explore the full range of KNF quick-order sample products.

Diaphragm Liquid Pumps 6 Results
Sample Available
Diaphragm Liquid Pump
FF 20
Flow Rate (max.)
0.23 l/min
Pressure (max.)
3 bar (rel.)
Suction Height (max.)
3.5 mH₂O
Sample Available
Diaphragm Liquid Pump
NF 30
Flow Rate (max.)
0.3 l/min
Pressure (max.)
1 bar (rel.)
Suction Height (max.)
6 mH₂O
Sample Available
Diaphragm Liquid Pump
NF 60
Flow Rate (max.)
0.6 l/min
Pressure (max.)
1 bar (rel.)
Suction Height (max.)
3 mH₂O
Sample Available
Diaphragm Liquid Pump
FP 150
Flow Rate (max.)
1.5 l/min
Pressure (max.)
2 bar (rel.)
Suction Height (max.)
2.7 mH₂O
Sample Available
Diaphragm Liquid Pump
FP 70
Flow Rate (max.)
0.7 l/min
Pressure (max.)
2 bar (rel.)
Suction Height (max.)
3 mH₂O
Sample Available
Diaphragm Liquid Pump
FP 1.7
Flow Rate (max.)
0.07 l/min
Pressure (max.)
6 bar (rel.)
Suction Height (max.)
2 mH₂O
Diaphragm Gas Pump
NMP 09
Flow Rate (max.)
0.9 l/min
Pressure (max.)
0.65 bar (rel.)
Vacuum (max.)
500 mbar (abs.)
Sample Available
Diaphragm Gas Pump
NMP 830
Flow Rate (max.)
3.1 l/min
Pressure (max.)
1.4 bar (rel.)
Vacuum (max.)
250 mbar (abs.)
Sample Available
Diaphragm Gas Pump
NMP 850.1.2 HP
Flow Rate (max.)
15 l/min
Pressure (max.)
2.2 bar (rel.)
Vacuum (max.)
50 mbar (abs.)
Sample Available
Diaphragm Gas Pump
NMP 820
Flow Rate (max.)
2.1 l/min
Pressure (max.)
1.2 bar (rel.)
Vacuum (max.)
330 mbar (abs.)
Sample Available
Diaphragm Gas Pump
N 936.3
Flow Rate (max.)
36 l/min
Pressure (max.)
0.5 bar (rel.)
Vacuum (max.)
35 mbar (abs.)
Sample Available
Swing Piston Gas Pump
UNPK 09
Flow Rate (max.)
15 l/min
Pressure (max.)
7 bar (rel.)
Vacuum (max.)
100 mbar (abs.)
Sample Available
Diaphragm Gas Pump
N 96
Flow Rate (max.)
8.5 l/min
Pressure (max.)
2.5 bar (rel.)
Vacuum (max.)
100 mbar (abs.)

Find The Right Pump For Your Needs

Why Choose KNF OEM Diaphragm Pumps?
 

• Delivering World-class reliability and efficiency. 
• Oil-free operation and chemical compatibility.
• Customizable options for perfect fit.

To our Products

Our Customers Know We Care

a close up of a printer that has prited stripes in different blue tones

Case studies

A worldmap with highlights at every KNF location

KNF Worldwide

Our Customers Know We Care

Customized Solutions

Get in Touch via Chat or:

Give Us a Call

During business hours, our local team is standing by to offer direct support. 

Call us
Leave a Message

Send us your questions or technical requirements directly online.

Leave message
Book a Meeting

Book a virtual meeting with your KNF local team now.

Book meeting
Custom Design
Individually Tailored
Economical
Custom Design

One size does not fit all. Our technical and market experts work with you to create smart, application-specific solutions. 

Individually Tailored

We can adapt materials, motors, connections, and mechanics to balance important parameters such as performance, controllability, lifetime, and cost.  

Economical

Our modular pump design allows for cost-effective modifications – from simple adjustments to completely new developments, for batch sizes of one to thousands. 

Easy & Fast: KNF Online Sample Shop

KNF offers you a broad range of samples that can be purchased directly online. Pay via credit card, then test and discover what sets KNF pumps apart. Create an account within minutes and see our prices and ordering options right away.

Discover Shop
01
01
Chat with KNF
Get in Contact
+1 (609) 890-8600 Call Our Sales & Support Team
Leave a Message
Schedule a Virtual Meeting
Chat With Us
Frequent Questions
Show Sample Pumps
Service Links
Service & Repairs
Downloads