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Alfa Laval
LabStak® for membrane filtration M20

LabStak® for membrane filtration M20

Product catalog summary

Overview
The LabStak® M20 is a flexible plate-and-frame test unit designed for membrane filtration processes including reverse osmosis (RO), nanofiltration (NF), ultrafiltration (UF), and microfiltration (MF). It is ideal for research, development, quality assurance, and pilot plant process optimization.

Key Features

Convertible to a spiral wound test unit with optional housing.
Combines plate-and-frame and spiral wound technologies.
Supports membrane areas from 0.036 to 0.72 m².
Allows simultaneous testing of different membrane types.
Operates at high temperatures and pressures (0-60°C at 64 bar, up to 90°C at 5 bar).
Cross-flow variation from 3.5 to 24 l/min.
Complies with FDA regulations for all product wetted materials.
Compact and space-saving design.

Technical Specifications

Number of support plates: 20
Number of spacer plates: 21
Number of flat sheet membranes: 40
Max. inlet pressure: 64 bar
Max. operating temperature: 90°C
Operating pH range: 1 – 14
Module weight: 71 kg
Cross-flow: 3.5-15 l/min.
Liquid capacity: 0.27 litres + 2.14 litres/m² membrane area

Materials

External steel: Stainless, AISI 304
Internal, product wetted steel: Acid resistant, AISI 316L
Support and spacer plates: Polysulphone (PSO)
Permeate hose: Silicone Rubber (Si)
Gasket and o-ring: Nitrile rubber (NBR)
Membrane lock ring: Polypropylene (PP)

Connections

Cross-flow in-/outlets: 3/8” BSP inlet socket, 1/2” outlet hose connector
Heat exchanger in-/outlets: 1/4” BSP sockets
Permeate hose outlets: ø 1.3/3.5 mm connectors

Flow Diagram
The document includes a flow diagram illustrating a typical installation setup, highlighting components such as cooling/heating, feed, pressure, pump, temperature, flow, permeate, retentate, and control valve.

Contact Information
For further details and updates, visit Alfa Laval's website at www.alfalaval.com.

Catalog excerpts

. kyPilot Laboratory Equipment for Membrane Filtration LabStak® M20 . Flexible plate-and-frame test unit for RO, NF, UF, and MF flat sheet membranes and membrane filtration processes. The ideal unit for research and developmental work, quality assurance, as well as pilot plant process optimisation. The LabStak® M20 will be your partner of choice, if dependable and reproducible results are crucial to your work. Option Easily convertible into spiral wound test unit for sanitary full-fit 2.5" test spirals by insertion of optional Lab M20- 2.5" housing. Please contact Alfa Laval for individual applications. Advantages • Ideal unit for R&D and test work, membrane screening, quality assurance, pilot plant process optimization and upscaling, as well as small-scale production • Perfect combination of plate-and-frame and spiral wound technologies in one unit • Flexibility - membrane areas from 0.036 to 0.72 m2 (0.018 m2 per membrane - simultaneous test of different membrane types - separate permeate outlet from each individual membrane pair - high operation temperature and pressure (0-60°C at 64 bar, up to 90°C at 5 bar) - variation of cross-flow from 3.5 to 24 l/min. - 2.5" spiral element can be inserted between the module flanges • Quick and simple change of membranes and spiral element • All product wetted materials are in compliance with FDA regulations • Compact space-saving design • Two external stay bolts and a low end flange with full stroke permit quick and simple alteration of the module membrane area. Any area between 0.036 and 0.72 m2 (divisible by 0.036) can be inserted without use of additional tool.

Open the catalog to page 1

Pos. Description of parts included 1 Spacer and support plates with permeate outlets and hoses 2 Heat exchanger 3 Retentate adjusting valve 4 Feed pressure gauge 5 Retentate pressure gauge 6 Hydraulic tooll A Feed inlet B Retentate outlet C Cooling/heating medium inlet/outlet D Cooling/heating medium outlet/inlet B C D A 6 3 5 4 2 1 680 480 ø248 All dimensions are in mm . LabStak® M20 data Values Number of support plates 20 Number of spacer plates 21 Number of flat sheet membranes 40 Membrane area 0.036 – 0.72 m2 Max. inlet pressure* 64 bar Max. operating temperature* 90°C Operating pH range*...

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. ESE00641EN 1001 The information contained herein is correct at the time of issue, but may be subject to change without prior notice. How to contact Alfa Laval Contact details for all countries are continually updated on our website. Please visit www.alfalaval.com to access the information direct.

Open the catalog to page 3

LabStak® for membrane filtration M20

LabStak® for membrane filtration M20

Catalog excerpts

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