Alfa Laval offers a wide range of small-scale LabStak modules which are ideal for on-site testing. Valuable data is gained for evaluation of process feasibility, determination of design and up-scaling, optimization of existing production lines or processing of high-value products.
LabStak® M10
The LabStak® M10 is the most compact of Alfa Laval devices for cross-flow membrane filtration. This versatile device is an ideal tool for educational purposes and for research and development work. The Alfa Laval LabStak® M10 can be used with the full range of Alfa Laval flat plate membranes available for ultrafiltration and microfiltration.
Product leaflets: LabStak® M10
LabStak® M20
The Alfa Laval LabStak® M20 is a flexible frame and plate test instrument for flat plate membranes and membrane filtration processes. It is ideal for research and development, ensuring quality and optimizing pilot testing and scaling up. The instrument can be fitted with all Alfa Laval RO, NF, UF, and MF flat plate membranes. The optional M20-2.5” housing allows for easy conversion and spiral winding testing.
Product leaflets: LabStak® M20 Video Testunit M20 Alfa Laval
LabStak® M37/38
The Alfa Laval LabStak® M37/38 is a flexible frame and plate test apparatus for ultrafiltration and microfiltration membrane processes. The apparatus utilizes flat plate and membrane support units of the same size as membrane filter modules of various sizes. This makes the Alfa Laval LabStak® M37/38 a popular choice for process development, scaling up, membrane testing, quality assurance, and small-scale production. Optional plate sets are available for materials with varying viscosity/solid content.
Product leaflets: LabStak® M37/38
LabStak® M39 L/H

The Alfa Laval LabStak® M39L/H is specifically developed for ultra- and micro-filtration of high-viscosity products and fermentation solutions. This equipment is ideal for a wide range of industries including biotechnology, pharmaceuticals, food, and beverages. To meet the demands experienced here, the Alfa Laval LabStak® M39L/H is designed for optimized flow dynamics, low energy consumption, and pressure operation. Optional plate assemblies are available for different liquid viscosities.
PilotUnit Multi
This versatile system is used for pilot testing of MF, UF, NF, and RO membranes. It is well-suited for easy and reliable membrane screening, process development, scaling up, and even small-scale production.