VC Kracht Gear Flow Meter

Kracht PD Flow Meter

Positive Displacement Flow Meters

Gear Flow Meter

  • The measuring gears are driven by the liquid flow on the principle of a gear motor.
  • The gears run without contact in the measuring chamber.
  • The bearing elements are a low-friction ball or plain bearings.
  • The movement of the gears is sampled without contact by means of two sensors located in the cover.
  • Between the sensor compartment and measuring chamber is located a pressure-resistant, non-magnetic separator plate.
  • When the measuring mechanism rotates by one tooth pitch, the sensor emits a signal which corresponds to the geometrical tooth volume V gz.
  • The signal is converted into a square-wave signal by the preamplifier.
  • The two-channel sampling permits better resolution as well as recognition of the flow direction.

Construction

1 Housing
2 Cover
3 Gear
4 Preamplifier
5 Connector
6 Sensor
7 Bearing assembly

Specification

Measuring range 0.008 … 700 l/min
0.002… 185 gal/min
Measuring the ratio 0,25
Operating pressure … 400 bar
… 5802 psi
Kracht PD Flow Meter
Kracht PD Flow Meter

Series Selection/Summary of Variants

1 2 3 4 5 6 7 8
Spheroidal cast iron Spheroidal cast iron Spheroidal cast iron Spheroidal cast iron stainless steel stainless steel Spheroidal cast iron stainless steel
EN-GJS-400-15 EN-GJS-400-15 EN-GJS-400-15 EN-GJS-400-15 14.404 14.404 EN-GJS-400-15 14.404
(/79 EN-GJS-600-3)
steel steel steel steel stainless steel stainless steel steel stainless steel
17.139 17.139 17.139 17.139 14.462 14.462 17.139 14.462
ball bearings ball bearings bronze- plain bearings carbide plain bearings carbide plain bearings stainless steel plain bearings hybrid plain bearings hybrid plain bearings
P P P P P/R P/R P P
20 30 50 30 30 20 20 20
± 0.3 % at 20 cSt ± 0.5 % at 50 cSt ± 1 % at 100 cSt ± 0.5 % at 100 cSt ± 0.5 % at 100 cSt ± 0.3 % at 20 cSt ± 1 % at 20 cSt ± 1 % at 20 cSt
Measuring range
l/min
gal./min
0.008-2 0.02-2* 0.008-2 0.008-2 0.008-2
0.002-0.53 0.005-0.53* 0.002-0.53 0.002-0.53 0.002-0.53
0.02-4 0.02-4 0.02-4 0.02-4
0.005-1.06 0.005-1.06 0.005-1.06 0.005-1.06
0.04-8 0.04-8 0.04-8 0.04-8 0.04-8
0.01-2.1 0.01-2.1 0.01-2.1 0.01-2.1 0.01-2.1
0.16-16 0.16-16 0.16-16 0.16-16 0.16-16 0.16-16 0.16-16
0.04-4.2 0.04-4.2 0.04-4.2 0.04-4.2 0.04-4.2 0.04-4.2 0.04-4.2
0.2-40 0.2-30
0.05-10.6 0.05-8
0.4-80 0.4-80 0.6-40 0.3-60 0.3-60 0.4-80 0.4-80 0.4-80
0.1-21 0.1-21 0.15-10.6 0.08-16 0.08-16 0.1-21 0.1-21 0.1-21
0.6-160 0.6-160 0.6-100 0.6-100 0.6-160
0.16-42 0.16-42 0.16-26 0.16-26 0.16-42
1-250 1-250 1.2-80 1-160 1-160 1-250
0.26-66 0.26-66 0.32-21 0.26-42 0.26-42 0.26-66
2-600
0.53-159
3-700
0.79-185

More information: Brochure Kracht VC

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