For preventing backflow in drug solutions and pure water lines! The contact parts are all made of PTFE, making it compatible with various corrosive fluids.
This is a check valve (chuck valve) that prevents backflow of fluids in semiconductor manufacturing equipment and chemical piping. All wetted parts, such as springs, are made of PTFE and operate at low cracking pressure. It can seal without an O-ring, making it ideal for high-purity fluids.
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basic information
【Size】1/4" to 1 【Applicable Fluids】Corrosive and inert gases and liquids 【Fluid Temperature】0 to 130℃ 【Operating Pressure】Max 0.6MPa 【Cracking Pressure】0.0017MPa - 0.0052MPa 【Back Check Sealing Pressure】0.0017MPa - 0.0052MPa 【Ambient Temperature】Max 60℃ 【Body Material】PTFE 【Connection】Flare and others
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Applications/Examples of results
- To prevent backflow of high-purity chemicals in LED and integrated circuit manufacturing - Additionally, to prevent backflow in process liquids for pharmaceuticals, chemicals, and food
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Company information
GEMÜ provides value through its cutting-edge manufacturing capabilities and new technology development. We have strong connections with the pharmaceutical industry worldwide and have been engaged in the development and improvement of valves. As a result, we offer a wide range of products, including "sanitary diaphragm valves," which require sterility, and "valves specialized for semiconductor manufacturing," which demand high control precision. We have established six manufacturing sites around the world and provide services in over 50 countries. As a leading company in the sanitary valve market, our products are adopted in many plants. We actively engage in research and development, with over 5% of our annual sales allocated to development investments. Thanks to this effort, we have been recognized by the Institute for Management and Economic Research (IMWF) in Germany as a technology company promoting digitalization.