The LabUnit M20 is ideal for research and development, educational work, process development, scale-up, membrane testing, quality assurance and small-scale production.     The LabUnit M20 can be fitted with the whole range of flat sheet membranes for reverse osmosis, nanofiltration, ultrafiltration and microfiltration. The LabUnit M20 is designed to provide rapid, precise evaluations in laboratories or other test facilities, while keeping equipment and set-up costs to a minimum This wheeled unit comprises a module, high-pressure pump, tank, filter, heat exchanger, valves, gauges, and hydraulic hand pump.   - Rapid, easy exchange of membranes and spiral elements - Multiple purposes - possibility of unique combination of plate-and-frame and spiral wound technologies in one unit - Membrane area from 0.036-0.72 m2 (0.4-7.8 ft2) (0.018 m2 (0.2 ft2) per membrane) - Simultaneous test of different membrane types - Separate permeate outlet from each individual membrane pair - High operating temperature and pressure (0-60°C (32- 140°F) at 64 bar (928 psi), up to 80°C (176°F) at 5 bar (73 psi)) - Variation of cross-flow from 3.5 to 24 l/min. (0.92 to 6.34 gpm) - Housing for 2.5" spiral element can be inserted between the module flanges - All components manufactured 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 (0.4 and 7.8 ft2) (divisible by 0.036 (0.4)) can be inserted without use of additional tool.