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HydroControl VTR Double regulating valve with internal thread PN 25
DN 32, Rp 1 ¼, with two mounted Classic measuring valves

For hydronic balancing of distribution pipes in central heating and cooling systems with closed circuits. Determination of the flow rate by measuring the differential pressure with the help of the OV-DMC 3 measuring system taking the preset values into consideration.
Y-pattern valve with secured, at any time controllable, infinitely adjustable fine presetting. All functions accessible from the top. Supplied with two Classic measuring valves. 
With type approval for shipbuilding, issued by Det Norske Veritas / German Lloyd.

  • Main function: Double regulating valve
  • Medium: Water, Water-glycol mixture
  • Pressure rating: PN 25
  • Nominal size: DN 32
  • Connections: Internal thread
  • Connection size: Rp 1 ¼
  • Kvs: 19.45
  • Operating temperature: -20 - 150 °C
  • Presetting: Yes
  • Reproducible presetting: Yes
  • Presetting blockable: Yes (with accessory)
  • Presetting indicator: Yes
  • Shutoff: Yes
  • Measuring connection: Yes
  • Measuring valve: Classic
  • Measuring method: Flow rate determination by differential pressure measurement
  • Draining: Extendable (only depressurized)
  • Impulse tube connection: Extendable (only depressurized)
  • Body material: Bronze
  • Type: Y-pattern
  • Installation location: Supply or return
  • Thermal insulation shell: Available as accessory
Art.-Nr.: 1688710
EAN: 4026755419795
Manufacturer: Oventrop GmbH & Co. KG
Subject to technical changes


Dimensions of article

Length Width Height Weight
155 mm 155 mm 55 mm 1,43 kg

Packing units

Type Qty. Length Width Height Weight
Carton 1 165 mm 165 mm 62 mm 1,53 kg
Carton 5 320 mm 300 mm 240 mm 7,88 kg


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ETIM 7.0
Property Value
Surface protection Untreated
Type of control gear Static
Material quality Bronze (Rg 5)
With thermometer
Manual operation
Diameter handwheel 70 mm
Article compression class PN 25
Max. medium temperature (continuous) 150 °C
KIWA certified
Min. medium temperature (continuous) -20 °C
With drain
With extended measuring nipples
Flange compression class PN 25
Spindle angle 50 °
With measuring connector
With impulse pipe connection
Suitable for hot tap water
Suitable for tap water
Suitable for central heating water
With connection 1 coupling
With connection 2 coupling
Height operating element 136 mm
Housing material Bronze
Kvs value 19.45
With position indicator
With measuring nipples
Nominal inner diameter DN 32