VKP Viscosity Compensated Flowmeter/Switch

Brand: KOBOLD Instruments, Inc.

The KOBOLD plastic flow meters model VKP 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 μm 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.

Specifications

Accuracy

  • ± 5 % of Full Scale
  • ± 7 % of Full Scale

Applications

  • Cooling Circuits
  • Domestic Electrical
  • Infusion Pumps
  • Installations
  • Lubrication Circuits
  • Machine Tools
  • Solar Energy Systems
  • Welding Machines

BSP Connection

  • G 1" Male
  • G 1/2" Female
  • G 1/2" Male
  • G 3/4" Male

Consumption

  • Maximum

Electrical Connectors

  • DIN 43650
  • PVC Glue-In Connection
  • Soldering Connection 18, 22 mm (Ms)

Electrical Contacts

  • 1 Normally Closed Contact
  • 1 Normally Open Contact
  • Bistable Reed Contact

Enclosure / Body Material

  • Polysulfone

Flow Rate

  • 1 to 75 L/minute - Oil
  • 2 to 100 L/minute - Water

Input

  • Maximum

Materials of Construction

  • Polysulfone - Float

Maximum System Pressure

  • psi: 232.1 (bar: 16, kPa: 1,600)

NPT Connection

  • 1" NPT Male

Seat / Seal Material

  • Klingerit Oilit
  • NBR

Spring Material

  • 301 Stainless Steel (Toothed Ring)

Temperature Range

  • 120° C (248° F)

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