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Burkert type 8718 Liquid Flow Controller (LFC)

Burkert – Type 8718 Liquid Flow Controller (LFC)

จุดเด่นของ Type 8718

  • Compact version
  • Fieldbus optional
  • No moving parts in medium
  • Applicable for liquid dosing up to 600 ml/min (36 l/h)
  • High dynamic control through fast flow measurement
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Liquid Flow Controller (LFC)

Type 8718 is an instrument for liquid flow control in process technology. The measured value provided by the sensor will be compared in the digital control electronics with the predefined set point according to the signal; if a control difference is present, the control value output to the proportional valve will be modified using a PI-control algorithm. In this way, the flow can be maintained at a fixed value or a predefined profile can be followed, regardless of pressure variations or other changes in the system. As a control element, a proportional valve working at low friction guarantees ahigh sensitivity and the good control characteristics of the unit.

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type 8718

BURKERT TYPE 8718 สามารถใช้ได้ร่วมกับ

General Technical Data

Product Properties
Body material
Stainless steel
Housing material PC (Polycarbonate)
Seal material FKM, EPDM or FFKM
Dimensions Standard version: 107×115.5×28 (BxHxT)
Sub-base version: 107×115.5×43 (BxHxT)
Total weight
Approx. 1000 g
LED display Indication for 1) Power; 2) Communication (only in analogue version); 3) Error

Performance Data
Full scale range (QNom) Measuring range
1.5…36l/h (25…600ml/min) regarding water
Repeatability 01:10
Max. operating pressure Up to max. 10 barg; typical max. 2 barg
Measuring accuracy ±1.5% o. R. ±0.5% F. S.
Repeatability ±0.5% F. S.
Response time (t95%) <500 ms

Electrical Data
Operating voltage
24 V DC
Power consumption Max. 7.5 W (10 W with fieldbus version)
Voltage tolerance
±10%
Residual ripple <2%
Electrical connection Plug Sub-D, 15 pin,
Socket M12 (PROFIBUS), 5 pin
Plug M12 (CANopen), 5 pin

Medium Data
Operating medium
Clean and low viscous liquids
Calibration medium Water (conversion to operating medium with correction function)
Medium temperature
– 10 °C…+ 40 °C
Viscosity (max.)
0.4 to 4 cSt

Process/Port Connection & Communication
Port connection
G 1⁄8, NPT 1⁄8, G 1⁄4, NPT 1⁄4, Sub-base
Calibration medium One relay-output for:
1. Limit (desired value can not be achieved) Current output: 25 V, 1 A, 25 VA
Digital inputs Two:
1. Start Autotune
2. Open valve (for purging)
Digital (communication) interface
 Digital via Fieldbus:
• PROFIBUS DP V1
• CANopen
Analogue interfaces 4…20 mA, 0…20 mA, 0…10 V or 0…5 V
Input impedance >20 kΩ (Voltage) resp. <300 Ω (Current)
Max. load: 10 mA (Voltage output); max. load: 600 Ω (Current output)

Environment and Installation
Ambient temperature
0 °C…55 °C
Installation position
Horizontal or vertical
Degree of protection
 IP40

*For selecting the correct product please refer to the technical data, images and notes for proper use according to the data sheet, or contact Flu-Tech directly.

สอบถามข้อมูลเพิ่มเติม ติดต่อเรา :

  02-384-6060 (อัตโนมัติ)    [email protected]    บริษัท ฟลูเทค จำกัด Flu-tech    @flutech.co.th