Home > Vacuum Pumps >

KNF N840.3FT.40.18 Diaphragm Vacuum Pump

Net 30 Terms and Financing Available

Our Price: $2,995.00

Condition: Fully Recertified and Tested to Perform at Manufacturer Specifications
Warranty: 180-Day Full Parts and Labor (Click for Info)
Typically Ships Within: 1 to 3 Business Days

Request a Formal Quote

Quantity in Stock:2

Product Code: KNF-N840.3FT.40.18

Qty:

Description

Recertification Protocol

Technical Specification Sheet

KNF N840.3FT.40.18 Diaphragm Vacuum Pump

Maximum Flow Rate
34 l/min

Ultimate Vacuum
10 mbar (abs.)

Hose Connections
ID 10

Features

100% oil-free transfer for pure gas transferring and evacuation
Integrated KNF self-drying system removes condensate without altering vacuum levels
Chemically resistant PTFE and FFPM construction for handling aggressive gases and vapors
Maintenance-free design ensures long-term, hassle-free operation
Environmentally friendly with clean, oil-free performance
Quiet, compact, and reliable for versatile lab applications

The KNF N840.3FT.40.18 Diaphragm Vacuum Pump delivers exceptional performance with a maximum flow rate of 34 l/min and an ultimate vacuum of 10 mbar (abs.). Designed for demanding applications, this oil-free, chemically resistant pump features PTFE heads, PTFE-coated diaphragms, and FFPM valves, ensuring superior durability when handling aggressive or corrosive gases and vapors. Its integrated self-drying system effectively removes condensates from the pump heads without affecting vacuum performance, reducing process times and extending pump life.

Operating quietly and efficiently, the KNF N840.3FT.40.18 offers maintenance-free, environmentally friendly operation, making it an ideal solution for laboratories requiring clean, oil-free gas transfer. Compact yet powerful, it functions within ambient temperatures of +5°C to 40°C, with IP44 protection and a lightweight design of 28.4 lb. This reliable diaphragm pump provides consistent performance while minimizing contamination risks, ensuring precise, efficient results in even the most challenging environments.

All of our equipment is in excellent condition and will be fully tested to perform at factory specifications before being shipped.

INCLUDED:
The KNF N840.3FT.40.18 Diaphragm Vacuum Pump includes:

> Power Cord
> Operator's Manual
> Full 180 Day Parts and Labor Warranty

KNF N840.3FT.40.18 Diaphragm Vacuum Pump Specifications

Flow Rate	34 l/min
Ultimate Vacuum	10 mbar (abs.)
Operating Pressure	1 bar (rel.)
Pump Head Material	PTFE
Diaphragm Material	PTFE coated
Valve Material	FFPM
Hose Connections	ID 10
Protection Class	IP 44
Permissible Ambient Temperature	+5°C to 40°C
Dimensions (W x D x H)	7.5 x 13.4 x 9.4 in. (18.9 x 34.1 x 23.9 cm)
Weight	28.4 lb. (12.9 kg)
Electrical Requirements	115VAC, 60Hz, 3.2A, 250W