Kobold is one of the leading international instrumentation engineering enterprises specialized on monitoring, measuring and regulating the physical quantities of flow through, pressure, level and temperature.
The KOBOLD plastic flowmeters 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.
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 full scale
Option: reed contact
Features
Applications
- Lubrication circuits
- Domestic electrical
- installations
- Machine tools
- Solar energy systems
- Cooling circuits
- Welding machines
- Pumps
Specifications
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... Klingerit Oilit - Max. temperature:
120°C
85°C (with contact)
60°C (with PVC connection) - Max. pressure: 16 bar
- Accuracy:
VKP-1...: ± 5% of full scale
VKP-2...: ± 5% of full scale
VKP-3...: ± 7% of 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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