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LEWA GmbH
LEWA ecofoam®

LEWA ecofoam®

Product catalog summary

Overview: The LEWA ecofoam testing system is designed for precise metering of blowing agents in extrusion processes, ensuring consistent product quality. It supports various blowing agents, including CO₂, with features for cooling and explosion-proof operation.

Performance Specifications: The system operates at pressures up to 350 bar. Flow rates vary by liquid type and pressure, with examples including 13 kg/h for CO₂, 8 kg/h for i-butane, and 20 kg/h for H₂O at 250 bar.

Operation Method: The system uses a diaphragm metering pump controlled by the extruder's speed. The LEWA smart control ensures flow rate accuracy by adjusting the drive motor speed based on flow meter and guiding signals.

Main Components: Key components include the LEWA diaphragm metering pump, control cabinet with LEWA smart control, heat exchanger, cooling unit, regulating and venting valves, pressure relief valve, and various instruments like pressure gauges and mass flow meters. These are mounted on a common base frame.

Testing and Rental: The system can be rented for up to 6 weeks, with potential extensions, allowing users to evaluate its performance for a nominal fee.

Technical Details: Dimensions are 1.2 x 0.9 x 1.9 m, with a weight of approximately 500 kg. Electrical requirements include a 400 V power supply, 5.0 A nominal current, and a 2.2 kW connected load.

Contact Information: For further inquiries, contact Theodor Farack at LEWA GmbH, Leonberg, Germany.

Catalog excerpts

LEWA ecofoam Testing system.

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LEWA ecofoam testing system LEWA ecofoam testing system. The metering system for blowing agents in extrusion processes. The metering of blowing agent is of particular importance to guarantee the constant quality of the end product in extrusion processes. LEWA ecofoam testing system has been designed for all known blowing agents, incl. cooling device for CO₂ and explosion-proof design for combustible blowing agents. Performance overview: Pressure up to 350 bar Flow rate depending on the type of liquid (compressibility) and the discharge pressure, e.g. 13 kg/h CO₂, 8 kg/h i-butane or 20 kg/h H₂O...

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LEWA ecofoam testing system Flow diagram of LEWA ecofoam testing system SPS with operating panel Dimensions and electrical connecting data Dimensions: – .2 x 0.9 x 1.9 m (L x W x H) 1 – eight: appr. 500 kg W Electrical connection data: – ower supply: 400 V P – ominal current: 5.0 A N – onnected load: 2.2 kW C – Pre-fuse: 16 A Nozzle list Number Pressure rating Cooling water outlet Cooling water outlet Contact person at LEWA: LEWA GmbH Theodor Farack Ulmer Str. 10 71229 Leonberg, Germany

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LEWA ecofoam®

LEWA ecofoam®

Catalog excerpts

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