T.VIS® M-20 Control Terminal
The GEA T.VIS® M-20 control unit offers all the modern control functions required for most applications, plus additional benefits in terms of automated commissioning and efficient equipment management.
The optimal solution for most applications with up to 2 feedback signals and 1–3 solenoid valves. For all GEA butterfly valves
For all GEA VARIVENT® valves*
For all GEA ASEPTOMAG® and GEA D-tec® valves*
(* except when using a supervised seat lift)
- Proven enclosure technology; Highest protection class as standard
- High resistance to vibration and shock
- Custom Connection Technology
- Self-learning initialization
- Extremely simple commissioning
- Parameters can be preset
- Standardized T.VIS® visualization with diagnostic capabilities
The T.VIS® M-20 is equipped with reliable and robust control electronics that incorporate the proven position measurement system from the T.VIS® A-15 as a built-in version. The customer performs the cable connection to the central control level, either via externally accessible M12 connectors or via direct cabling to internal spring-loaded terminals, depending on the requirements. The parameters can be preset via DIP switches so that actual commissioning no longer requires any additional operation or configuration.
Using an internal reset button, the electronics can be reset to factory settings after valve maintenance, so that a new self-learning process occurs automatically when the system is restarted. The breathing air connection is equipped with a replaceable filter to protect the built-in solenoid valves.

Parameters such as tolerances, color changes, or air assistance can be adjusted via integrated DIP switches. The actual initialization process runs automatically. This requires only that the control head be properly connected to the air and power supplies. No additional tools or settings are required.
As an option, a logical NOT function can be integrated into steering head without any further action. This automatically results in air support to the spring chamber to increase the valve's closing force.
| Item | ||
| Position detection | Sensors | |
| Housing material | PA12/L | |
| Ambient temperature | -20 to +55 °C | |
| Air supply | Pressure range | 2 to 8 bar |
| Air supply | Standard | acc. to ISO 8573-1:2010 |
| Air supply | Solid happy | Quality class 6 |
| Air supply | water happy | Quality class 4 |
| Air supply | Oil happy | Quality class 3 |
| Dimensions or air connections | Metric 6/4 mm, inch 6.35/4.31 mm (¼”) | |
| Protection class | IP69k | |
| Sound pressure level via exhaust air throttle | Max. 72 dB | |
| Visualization | LED (green, yellow, ed) |
"*"indicates required fields
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