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VL Flow Switch Supplier

VL Flow Switch

MOQ : 100 Piece

Business Type : Exporter, Supplier

Technical data

Nominal width DN 15..25
Process connection Female thread G 1/2..G 1
Tolerance ±5 % of full scale value
Pressure resistance PN 10 bar
Medium temperature -20..+100°C
Ambient temperature -20..+70°C
Media Water (oils, gases and aggressive media available on request)
Switch Reed switch
Switching voltage Max. 230 V AC
Switching current 1 A
Switching capacity 50 VA
Protection class 2 - safety insulation
Ingress protection IP 65
Connection Plug DIN 43650-A / ISO 4400
Non-medium contact materials PC, PA, NBR, nickelled brass
Weight 0.02 kg
Make Honsberg
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Preferred Buyer From

Location Worldwide

Feature : Optionally switching contact

Characteristics : A piston moves in a transparent glass tube, relative to the flow. The position of the float depends on the volume flow (weight force versus resistance to flow), and indicates the flow rate on the scaled glass tube.

Handling and operation :

  • Include straight calming section of 5 x DN in inlet and outlet
  • When tightening the union nut, the connection piece must be countered using an open-ended spanner (SW 19).
  • If the media are dirty, install a filter (use magnetic filter for ferritic components).
  • It must be ensured that the values given for voltage, current, and power are not exceeded.
  • When switched on, a load must be connected in series.
  • The electrical details apply to ohmic loads. Capacitive and inductive loads must be operated using a protective circuit.


Options :

  • Display and switching ranges for oil or gas
  • Special values
  • Scale 0..100 %
  • Optionally transformer 250 V AC, 1,5 A, 50 VA, Wiring no. 0.282


Ordering information :

  • Specify direction of flow, medium, and switching range.
  • For oils, state viscosity, temperature and designation (e.g. ISO VG 68) (enquire about range).
  • For gases, state pressure (relative or absolute), temperature and medium (e.g. air) (enquire about range).
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