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KNF N920KT.29.18G Diaphragm Pump
KNF N920KT.29.18G Diaphragm Pump

Manufacturer's List Price: $5,228.02
Our Price: $4,182.42
Sale Price: $3,973.30
Money Saved: $1,254.72

Condition: Brand New
Warranty: 1 Year Manufacturer's Warranty
Typically Ships Within: 1 - 2 Business Days

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Quantity in Stock:2

Product Code: N920KT.29.18G

Technical Specification Sheet (NEW)

KNF N920KT.29.18G Diaphragm Pump

The powerful N 920 KT.29.18 G diaphragm vacuum pump uses a series of KNF technical innovations, including a special diaphragm stabilization system that makes it well-suited for all applications requiring high suctions speeds at low absolute pressures, in a compact size.

High suction speed, particularly in low vacuum
100% oil-free; clean transfer/evacuation of gases or vapors
Integrated rotational speed control
Integrated gas ballast valve
The KNF N920KT.29.18G Diaphragm Pump includes:
  • Power Cord
  • Operator's Guide
  • Manufacturer's Documentation
  • 1 Year Manufacturer's Warranty

KNF N920KT.29.18G Diaphragm Pump Specifications

Max. Permissible Operating Pressure

0.5 bar

Ultimate Vacuum

2.0 mbar abs.

≤5 with open gas ballast

Delivery rate at atm. Pressure

Max. 21 l/min

Hose connection

ID 10 mm

Permissible ambient temperature

+ 10°C to + 40°C

Permissible media temperature

+ 5°C to + 40°C


8.5 kg

Dimensions (L x H x W)

324 x 226 x 158 mm



Motor protection

IP 20

Power P


Pump materials

Pump head






Gas ballast valve


Why Buy From Marshall Scientific?

Marshall Scientific's primary goal is to enhance your laboratory research at a more affordable price. Our industry-trained customer service team is always here to assist you along every step of your purchase, from initial product questions to technical support, and everything in-between. With our connection to some of the industry’s largest manufacturers, we can ensure you receive the lowest price without sacrificing quality whatsoever.

Brand-New Products for Far Less than Retail

Most Pieces Ship within 2 to 5 Business Days

All Products are Fully Warrantied

Trained Customer and Technical Support

Industry Leading Overall Customer Satisfaction

Bausch + Lomb
Working with Marshall Scientific was overall an enjoyable experience. Their customer service really helped me choose the product that fit my needs, and checking out was easier than I expected. Shipping was faster than expected which was also a plus!
James M. / Bausch + Lomb
I have purchased a few items from Marshall Scientific over the years and I have always had great experiences with both the products and the customer support. Chat feature definitely makes both communicating and navigating easier. I would recommend this company to a colleague.
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I just received the two Polyscience chillers I ordered through your ecommerce store and I couldn't be happier with my purchase. Customer service was instrumental in helping me choose the correct model. Thanks again!
Nora F. / Sanofi
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