KNF / KNF Neuberger industrial equipment and diaphragm pumps

Diaphragm pumps, gas compressors, and laboratory vacuum systems from KNF / KNF Neuberger deliver dependable performance across analytical, chemical, and process instrumentation.

KNF N 920 and N 860 industrial diaphragm gas pumps

Diaphragm gas pumps and compressors from KNF in the N 920, N 860, and N 035 series deliver oil-free transfer of gases and reliable vacuum generation. Structured PTFE diaphragms and inert flow chambers prevent any media contamination throughout continuous process cycles.

Chemically inert pump head options fabricated from PTFE, PVDF, PPS, or aluminum alloy
Patented structured diaphragms engineered for extended operational endurance
Vacuum capability down to 0.5 mbar with flow rates reaching 300 liters per minute
Selection of replacement reed valves, eccentrics, and rod assemblies via nameplate

KNF FP 1.70 and FD 1200 diaphragm liquid pumps

Diaphragm liquid pumps from KNF in the FP 1.70, FP 400, and FD 1200 series convey neutral and corrosive liquids with smooth flow characteristics. The self-priming hydraulic layout tolerates dry running and resists chemical attack in demanding industrial operations.

Self-priming suction capability up to 3 meters with dry-running tolerance
Fluid heads manufactured from PP, PVDF, and stainless steel with PTFE diaphragms
Integrated hydraulic pulsation damping design for continuous plant operations
Selection of sealing components, pipe fittings, and elastomers via serial code

KNF NPK 02 series swing piston gas pumps

Swing piston gas pumps from KNF in the NPK 02 and NPK 04 series combine the strengths of diaphragm and piston architectures to generate high operating pressure in a compact footprint. The oil-free chamber keeps compressed media pure inside analytical instruments.

Compact swing piston architecture generating positive pressures up to 6 bar
Complete fluid purity without oil lubrication or mechanical particulate shedding
Flexible installation orientation in any spatial position within device enclosures
Matching replacement piston rings, valves, and anti-vibration mounts by item code

KNF NP 20 and NMP oil-free miniature diaphragm pumps

Miniature pumps from KNF in the NP 20, NMP 830, and NMP 850 series are engineered for portable gas analyzers, environmental monitors, and medical diagnostic devices. Brushless BLDC electric drives with electronic control deliver over 10 000 hours of continuous service.

Energy-efficient brushless BLDC motors featuring PWM speed modulation inputs
Lightweight drive design starting at 50 grams with low vibration emissions
Resistant valve components molded from FKM fluoroelastomer and EPDM diaphragms
Replacement pump head modules and connecting flanges selected via serial code

KNF LABOPORT SC 820 G laboratory vacuum stations

Chemically resistant vacuum stations in the LABOPORT SC 820 G and N 840 G series combine a diaphragm pump, touchscreen controller, inlet separator, and vapor condenser. Automatic boiling point detection prevents boiling delays and solvent splashing in rotary evaporators.

Automatic boiling point recognition with adaptive vacuum control profiles
Pump heads machined from solid TFM PTFE and valve plates made of FFPM polymer
High-efficiency exhaust condenser achieving solvent recovery rates up to 99 percent
Receiving glass flasks, vacuum sensors, and remote connection cables

KNF SIMDOS precision diaphragm metering pumps

Digital diaphragm dosing pumps in the KNF SIMDOS 02 and SIMDOS 10 series ensure repeatable volumetric transfer of aggressive chemicals across flow rates from 20 microliters per minute to 100 milliliters per minute. Simple calibration and dry-run safety make them an industry benchmark.

Flow rate adjustment range with dosing increments down to 20 microliters per minute
Flow-contacting assembly constructed from inert PVDF, PTFE, and technical ceramics
Digital interfaces including RS-232, 0-10 V analog signals, and fault alarm relays
Selection of check valves, PFA tubing sets, and pressure monitoring sensors

Design engineering and oil-free operation of KNF N 920 and N 860 gas pumps

Industrial diaphragm gas pumps from KNF in the N 920, N 860, and N 035 series deliver oil-free gas transfer and pure vacuum generation across chemical and process installations.

The patented structured elastomer diaphragm geometry distributes mechanical strain evenly across the active surface, preventing fatigue failure during repetitive compression intervals.

Fluid-contacting components are fabricated from chemically inert PTFE, PVDF, PPS, and corrosion-resistant alloys, shielding process gases from lubricants or particulate debris.

Units are equipped with single-phase or three-phase electric motors with winding thermal protection and dynamic speed regulation.

Chemical resistance and hydraulic parameters of KNF FP 1.70 liquid pumps

Diaphragm liquid pumps from KNF in the FP 1.70, FP 400, and FD 1200 series convey neutral and corrosive liquids smoothly in chemical and pharmaceutical plants. The self-priming hydraulic circuit lifts media from depths up to three meters and tolerates dry running without thermal seal damage.

Integrated pulsation damping chambers smooth discharge pressure spikes, establishing steady laminar flow in technological piping networks. Monolithic PTFE fluid heads and perfluoroelastomer valves guarantee resilience against aggressive acids, alkalis, organic solvents, and cleaning solutions.

Kinematics and operating benefits of KNF NPK 02 swing piston compressors

Swing piston gas pumps from KNF in the NPK 02 and NPK 04 series combine the compact profile of diaphragm machines with the discharge pressure of reciprocating compressors.

A specialized pendulum rod mechanism drives straight piston motion within an oil-free cylinder with negligible lateral seal friction. Pumps generate positive pressures up to 6 bar and vacuum levels down to 150 mbar, operating in any spatial position inside portable analytical equipment.

Machined crank components and sealed rolling bearings reduce acoustic emissions and mechanical vibration on mounting frames.

Brushless electric drives and endurance of KNF NP 20 miniature pumps

Miniature diaphragm pumps from KNF in the NP 20, NMP 830, and NMP 850 series provide oil-free gas sampling inside portable detectors and medical monitors.

Brushless BLDC electric drives with onboard electronic controllers deliver precise rotational speed modulation via external analog voltage or PWM signals. Drive units weigh as little as 50 grams, enabling integration inside dense device housings while maintaining electrical efficiency.

Resilient EPDM diaphragms and FKM valve flaps retain elasticity over broad operating temperature bands and cyclic pressure swings.

Intelligent vacuum regulation in KNF LABOPORT SC 820 G laboratory stations

Chemically resistant vacuum stations in the KNF LABOPORT SC 820 G and SC 840 G series represent modular laboratory packages with microprocessor-driven evaporation control.

An intelligent touchscreen controller tracks system pressure trends and identifies solvent boiling points automatically, preventing boiling delay and sample ejection.

The inlet separator traps droplets and particulate matter, while the exhaust glass condenser captures vapors with recovery efficiency up to 99 percent. Machined TFM PTFE pump heads exhibit complete resistance against aggressive halogenated solvents.

Digital metering routines and calibration of KNF SIMDOS 02 and 10 pumps

Precision micro-metering pumps from KNF in the SIMDOS 02 and SIMDOS 10 series ensure volumetric liquid dispensing from 20 microliters to 100 milliliters per minute.

Digital control electronics permit programming of continuous or pulse dosing routines with accumulated volume tracking and line overpressure protection. The streamlined head geometry eliminates stagnant zones, ensuring thorough flushing between fluid chemical changes.

Units feature standard RS-232 serial interfaces and relay alarm ports for automated synthesis and titration networks.

KNF / KNF Neuberger and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of KNF / KNF Neuberger and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.