Optical position indicator, versatile connections, robust industrial design.
The GEMÜ type 671 diaphragm valve is a manually operated 2/2-way valve with low-maintenance plastic actuator and integrated optical position indicator. It is suitable for neutral, aggressive, liquid and gaseous media and meets the highest requirements in chemical, water and process applications.
| Characteristic | Value |
| Type of construction | 2/2-way diaphragm valve |
| Actuation | Manual |
| Nominal sizes | DN 15 – DN 100 |
| Nominal pressure | PN 10 |
| Medium temperature | -10 °C to +80 °C |
| Ambient temperature | 0 °C to +60 °C |
| Housing material | Stainless steel, cast iron, ductile iron, brass |
| Membrane material | EPDM, FKM, PTFE/EPDM |
| Connections | Thread, flange, clamp, spigot |
| Operating pressure | 0 – 10 bar |
In addition to high-quality diaphragm valves, we develop complete SKID systems and modular process systems – tailored to your application. Proven components such as butterfly valves, ball valves and diaphragm valves are used, with automation by pneumatic or electric actuators on request. Our solutions combine precise control, compact design and easy maintenance – ideal for chemical, energy and water technology as well as many other industries.
For neutral, aggressive, liquid and gaseous media, provided they are compatible with the material.
Yes, special version for oxygen up to max. 60 °C available.
Standard version is not intended for sterilization.
DIN, EN, ISO, ANSI, ASME, JIS, SMS – depending on the connection variant.
Standard: optical display; optional electrical feedback.
Our insulations are more than just accessories – they perfectly complement fittings and systems and increase efficiency, safety and adaptability.
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