This Bürkert position feedback unit (type 8697) is mounted on top of Bürkert type 20xx valves with CLASSIC 40 mm, 50 mm, 63 mm, 80 mm, 100 mm, 125 mm, 175 mm and 225 mm actuators. The unit transmits the valve end positions, features two-wire inductive limit switches and is suited for a 24 V DC feedback voltage. and an M16 x 1.5 cable gland for electrical connection. This unit doesn`t contain an internal pilot valve to control the airflow, so an external pneumatic control valve is required. This unit is ATEX and IECEx certified.
Pros:
- Compact and durable design
- ATEX and IECEx certified
- Optical position indicator with LED
- Easy to clean and high IP65/67 protection make it suitable for food, beverage and pharmaceutics
Cons:
- Requires additional control valve since it doesn`t have an integrated air pilot valve
Series
Burkert type 8697 is a pneumatic position feedback and control unit, designed for decentralized automation of ELEMENT and CLASSIC process valves. It registers the valve position via mechanical or inductive limit switches. External tubing is not needed, because the device has internal control air routing. LEDs show the status of the device along with the electrical position feedback directly on the unit itself. It is suitable for food, beverage and pharmaceutical industries thanks to the easy to clean housing, proven IP protection and chemically resistant materials.
Specifications
Function : Position feedback sensor
Mounting type : CLASSIC drive
Actuator size : 40 mm,50 mm,63 mm,80 mm,100 mm,125 mm,175 mm,225 mm
Feedback voltage type : DC
Manual actuation : No
Feedback type : Inductive limit switch two-wire, normally open
End position feedback voltage min : 0 V
Еnd position feedback voltage max : 24 V
Temperature environment min (°C) : 0
Temperature environment max (°C) : 55
Approval : Atex Zone 2,Atex Zone 22,IECEx Zone 2,IECEx Zone 22
Electrical connection sort : Screw terminal with cable feed-through
Pneumatic function 1 double acting : No
Pneumatic function 1 single acting : No
Supply via BUS : No
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