KOBOLD Instruments Inc • 1801 Parkway View Drive • 15205 Pittsburgh, PA • Tel: +1 412 788 2830 • E-mail: Please activate JavaScript visit koboldusa.com

kds-kds-r-durchfluss.png: Variable Area Flowmeter/-switch-All Metal-Low Volume KDS

Variable Area Flowmeter/-switch-All Metal-Low Volume KDS

Measuring range:
0.1 - 1 l/h ... 20 - 200 l/h water
5.0 - 50 Nl/h ... 600 - 6000 Nl/h air
Connection: ¼" NPT
Material: stainless steel
pmax: 40 bar (64 bar), up to 420 bar on request
Max. temperature: -40 ... +130°C
Contact: -25 ... +100°C, analogue output: -40 ... +100°C
Accuracy: ±3 % of full scale
Option: contacts, analogue output, up / downstream pressure regulator

Datasheet

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kds-gb-flow

405 KB
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kds-sv-floede

406 KB

Approvals

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PTB00ATEX2048X

II 1G Ex ia IIC T6...T1 Ga
II 2G Ex ia IIC T6...T1 Gb

3,8 MB
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BVS12ATEXE093X

II 2G Ex ib IIC T4 Gb
II 2D Ex ib IIIC T135°C Db

191 KB
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IECExBVS12.0061X

Ex ib IIC T4 Gb
Ex ib IIIC T135°C Db

280 KB
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BVS03ATEXH/B113

Ignition Hazard Assessment

50 KB

Function

The fluid flows from bottom to top through the meter tube of the flow meter. The float is lifted until an annular gap between the measuring cone and the float is produced which corresponds to the flow. The forces acting on the float are in equilibrium.
The height of the float resulting from the flow rate is transmitted by the permanent magnet in the float through the magnetic tracking system in a rotation to the pointer axis of the analog indicator unit.
The variable-area flowmeter consists of a stainless steel device with an integrated conical stainless steel measuringtube and a vertically movable float. The valve for setting the flow rate is built-in (only KDS-K/C).

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