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

bgn-hochdruck-durchfluss.png: Full Metal Variable Area Flow Meter / Counter BGN - High Pressure

Full Metal Variable Area Flow Meter / Counter BGN - High Pressure

For liquids and gases

Measuring / switching range:

0.5 - 5 ... 13 000 - 13 0000 l/h water
0.015 - 0.15 ... 240 - 2400 Nm³/h air
Connection: flange DN15 ... DN150, ANSI ¾ ... 6"
Material: stainless steel 1.4404, PTFE-lining, Hastelloy®
pmax: 600 bar
tmax: 350°C
Accuracy: ±1.6 % of full scale (Gases: ±2 % of full scale)
Options: contacts, analogue output, totaliser, Hart®, Profibus® PA, ATEX

Datasheet

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bgn-gb-flow

361 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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PTB00ATEX2049X

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

3,0 MB
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PTB99ATEX2128X

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

812 KB
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PTB99ATEX2219X

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

1,1 MB
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ZELM03ATEX0128X

II 1D Ex iaD 20 T...°C

1,3 MB
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BVS03ATEXH/B112

Ignition Hazard Assessment

87 KB
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IECEx BVS 16.0072

Ex ia IIC T6 Gb

514 KB

Functions

The fluid flows from bottom to top through the meter tube of the flowmeter. The float is lifted until an annular gap between the meter ring and the cone-shaped float is produced which corresponds to the flow. The forces acting on the float are in equilibrium. The forces that are mainly acting on the float comprise buoyancy according to the principle of Archimedes, the flow force of the medium and the weight force. Each position of the float corresponds to a flow value measured during calibration, which is transferred to a scale. The BGN variable area flowmeter consists of a meter tube with connections, a meter ring, and a conical float. By means of a magnet, the position of the float is transferred to an encapsulated follow magnet, which has been fitted to a pointer axle. The position of a second annular follow magnet fitted on the pointer axle is transferred to the scale by means of the pointer.

Other Members of the KOBOLD group

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KOBOLD Instruments Inc.

1801 Parkway View Drive
15205 Pittsburgh PA
United States of America

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