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Valco - CV series Flow Indicator

Sight glass/rotor

  • Ranges covering 0.6..80 l/min H2O
  • Bidirectional
  • Up to 25 bar max (depending on model)
  • Brass connections

Product description

The CV series flow indicator from Val.Co allows a visual inspection of the passage of liquids in hydraulic and water systems. The propeller is coloured for better visualization with opaque liquids and there is also an option for a blue propeller and an output.

Part numbers

Parts Price Flow range max Manufacturer part no. Min flow rate for rotor (oil 40 Cst) l/min Min flow rate for rotor (oil 41-150 Cst) l/min Min flow rate for rotor (water) l/min Pressure drop (bar) Pressure max Process connection
10 l/min CV.008G.PSO.R 2,5 3,5 0,6 0,15 25 bar G1/4
20 l/min CV.010G.PSO.R 3 4 1,2 0,25 15 bar G3/8
40 l/min CV.015G.PSO.R 3 4 1,2 0,3 15 bar G1/2
60 l/min CV.020G.PSO.R 3,7 5 2,1 0,17 12 bar G3/4
80 l/min CV.025G.PSO.R 3,7 5 2,1 0,15 12 bar G1


0,6..10 l/min H2O, G1/4F, Brass

Technical data

Colour of rotor Red
Flow range max 10 l/min
Manufacturer part no. CV.008G.PSO.R
Material of body Latene
Material of connection Brass
Material of glass tube Pyrex glass
Material of rotor Polypropylene
Material of seals NBR
Min flow rate for rotor (oil 40 Cst) l/min 2,5
Min flow rate for rotor (oil 41-150 Cst) l/min 3,5
Min flow rate for rotor (water) l/min 0,6
Pressure drop (bar) 0,15
Pressure max 25 bar
Process connection G1/4
Temperature operational max 100 °C

Measurements and connections


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