GEMÜ manufactured (GEMU) air-operated stainless steel diaphragm valve (diaphragm valve)
【Features】 ● Achieves high sealing performance even with fluids containing particles ● Compatible with aseptic processes in pharmaceuticals, food, and biotechnology (CIP/SIP capable) ● Supports handling of ultra-pure fluids in the semiconductor, microelectronics, and fine chemicals fields ● Customizable in various materials and specifications ● Minimizes liquid accumulation in flow paths, eliminating corrosion ● Equipped with chemical-resistant plastic actuators ● Compatible with various connection standards (ASME, ANSI, DIN, ISO, etc.) ● Optional ATEX explosion-proof specifications available
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basic information
【Nominal Diameter】10A to 100A 【Applicable Fluids】Inert, corrosive liquids and gases 【Fluid Temperature】-10 to 150℃ 【Operating Pressure】0 to 1.0 MPa 【Ambient Temperature】0 to 60℃ 【Body Material】Stainless Steel 【Diaphragm Material】FPM, EPDM, PTFE 【Connections】Butt welding, threaded connection, ferrule, and various other standards
Price range
Delivery Time
P4
※Stable supply is possible.
Applications/Examples of results
【Applications】 ● Separation equipment for liquid mixtures ● Chemical production equipment ● Generation of high-purity steam for sterilization ● Purification equipment for WFI (Water for Injection) ● RO (Reverse Osmosis) filtration equipment ● Freeze-drying equipment ● Production of ultra-pure water - ion exchange, RO (Reverse Osmosis), electrodialysis ● Filling of infusions ● Fermenters / Lactic acid bacteria production equipment
Detailed information
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By combining with an electro-pneumatic positioner and process controller, appropriate control for the process becomes possible. *The photo shows the GEMÜ687 model equipped with the GEMÜ1436 type process controller (remote type).
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Tank valve specifications (special items) We also offer various body types, including T-type bodies and block body types.
catalog（2）
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CAD data（12）
| Model number | overview | File |
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| 687 25D 35405M1F M | - Diameter: 25A - Connection: Butt welding (JIS-G 3447) - Body material: SUS316L |
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| 687 40D 35405M1H M | - Diameter: 40A - Connection: Butt welding (JIS-G 3447) - Body material: SUS316L |
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| 687 50D 35405M1J M | - Diameter: 50A - Connection: Butt welding (JIS-G 3447) - Body material: SUS316L |
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| 687 65D 35405M14 N | - Diameter: 65A - Connection: Butt welding (JIS-G 3447) - Body material: SUS316L |
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| 687 80D 35405M14 N | - Diameter: 80A - Connection: Butt welding (JIS-G 3447) - Body material: SUS316L |
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| 687 100D 35405415 N | - Diameter: 100A - Connection: Butt welding (JIS-G 3447) - Body material: SUS316L |
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| 687 25D 8F405M1F M | - Diameter: 25A - Connection: Heliport - Body Material: SUS316L |
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| 687 40D 8F405M1H M | - Diameter: 40A - Connection: Heliport - Body Material: SUS316L |
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| 687 50D 8F405M1J M | - Diameter: 50A - Connection: Heliport - Body Material: SUS316L |
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| 687 65D 8F405M14 N | - Diameter: 65A - Connection: Heliport - Body Material: SUS316L |
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| 687 80D 8F405M14 N | - Diameter: 80A - Connection: Heliport - Body Material: SUS316L |
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| 687 100D 8F405415 N | - Diameter: 100A - Connection: Heliport - Body Material: SUS316L |
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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.