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Type Description |
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The device key 8695 control head is designed for decentralised automation of ELEMENT Type 21xx pneumatic process valves with smaller nominal diameters. The valve position is registered via contact-free, analogue sensor element which automatically detects and saves the valve end position via the Teach function during start-up. The integrated pilot valve controls single or double-acting actuators. The design of the control head and actuator is specially configured for the requirements of hygienic process environments and enables internal pilot air duct routing without external piping. In addition to the electrical position feedback, the device status is shown directly on the control head itself via coloured LEDs. An optional AS-Interface communication interface can be selected. The housing is easy to clean and features proven IP protection and chemically resistant materials for use in hygienic processing in the food, beverage and pharmaceutical industries. Combined with Bürkert ELEMENT actuators, the pneumatic actuating system enables spring chamber aeration that avoids actuator chamber contamination from the environment. |
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Features |
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« Contact-free inductive valve position registration (Teach function) |
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« Colour illuminated status display |
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« Integrated pilot air duct in the actuator |
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« AS-Interface, IO-Link, Bürkert system bus (büS) |
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« With ATEX II cat. 3G/D approval |
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中文
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