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Promix gas dosing stations for physical foaming have been specially designed and developed to meet the needs of foam extrusion. Promix gas metering technology is characterized by high dosing accuracy, reliability and amazingly simple operation. Promix gas dosing stations meet all the requirements of a modern gas metering system for foam extrusion. These include high-precision mass flow control, process visualization by means of trend charts, operator-definable operating limits, data acquisition, and synchronization of the dosing rate with the extruder output. Implementation in the extruder control system via fieldbus system is also possible. •,Mass flow from 1 g/h up to 20'000 g/h •,Dosing pressure up to 680 bar

Advanced Nova Swiss technology allows high-precision gas mixing under controlled pressure. The servo motor ensures state-of-the-art pressure regulation that is optimal for the respective application. This results in maximum precision for the injection process and ensures exact gas metering at the required pressure. Benefits : High flow rates Maximum pressure precision Low maintenance costs No daily re-adjustment required Faster start-up after interruptions. Thereby less waste during the start-up process. No compressed air supply required. Contamination-free gases thanks to diaphragm technology. The Nova Swiss gas injection unit does not require compressed air, as it is the case with pneumatic amplifiers. The integrated lubrication unit allows the system to be operated at very low speed, which in turn enables the dimensioning of extremely small quantities.

Mobile gas scrubber (volume scrubbing liquid) : 6, 10, 20, 50, 100 liter Mobile gas scrubber (column diameter): DN 50, 70, 100, 150, 200 Stationary gas scrubber (volume scrubbing liquid) : Customized according to process requirements Stationary gas scrubber (column diameter): DN50 up to DN600 Pressure: -1.0 (FV) to +0.5 bar Temperature exhaust gas: -60 °C to +200 °C Temperature scrubbing liquid: 0 °C to +80 °C Material: Borosilicate glass 3.3, PTFE, ETFE Gas scrubbers are used to neutralize corrosive exhaust gas from reactors. Depending on the scrubbing liquid, they can be used for caustic or acidic vapors. Gas scrubbers are equipped with an ETFE lined, corrosion resistant magnetic coupled pump. The flow rate of the scrubbing liquid can be controlled with the built-in reducing valve. The scrubbing liquid temperature is maintained by a spiral cooler in the liquid circuit.