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Kobold VKP Viscosity Compensated Flowmeter / Switch

Description

Kobold VKP Viscosity operate on a special suspended float principle with cylindrical measuring tube and spring-loaded float with orifice. The float in model VKP-3… has slots moulded on the outside, which protect the instrument from soiling by depositing dirt particles. The danger of the float jamming is thus considerably reduced and soiled liquids with a particle size up to 400 ?m can be measured without difficulty. In model VKP-2… a sharp-edged orifice in the float renders the instrument less sensitive to changes in viscosity.

Kobold VKP Viscosity Applications

  • Lubrication circuits
  • Domestic electrical
  • installations
  • Machine tools
  • Solar energy systems
  • Cooling circuits
  • Welding machines
  • Pumps

Measuring/switching range:

  • 2 – 20 … 20 – 100 l/min water
  • 1 – 18 … 10 – 75  l/min oil

Connection: G 1, 1″ NPT male thread, solded pipe, connection parts G ½, G ¾
Material: polysulfone, stainless steel 1.4310
Pmax: 16 bar
Tmax: 120°C
Accuracy: ±5 % of the full scale
Option: reed contact

Kobold VKP Viscosity Technical Details

  • Housing: polysulfone
  • Connections:
    • G1 male thread;
    • 1″ NPT male thread
    • inserts G½, G¾
    • PVC glue-in connection,
    • soldering connection 18, 22 mm (Ms)
  • Float: polysulfone
  • Spring: stainless steel, 1.4310
  • Toothed ring: stainless steel, 1.4310
  • Flat seal:
    • for model VKP-1…/3… NBR
    • for model VKP-2… Klinger Oil it.
  • Max. temperature:
    • 120°C
    • 85°C (with contact)
    • 60°C (with PVC connection)
  • Max. pressure: 16 bar
  • Accuracy:
    • VKP-1…: ± 5% of the full scale
    • VKP-2…: ± 5% of the full scale
    • VKP-3…: ± 7% of the full scale
  • Installation position: horizontal or vertical

Option (for VKP-1 and VKP-2 only)

  • Contact components: 1 N/O or N/C contact, bistable
  • Electr. connection: connector DIN 43 650
  • Switch capacity:
    • max. 40 W/VA,
    • max. 230 VAC/DC,
    • max. 2 A
    • (No single value is allowed to be exceede

Download Datasheet: Kobold VKP Viscosity Compensated Flowmeter / Switch

Reference: kobold.com

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