Device description
VKX
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© SIKA • Ea6300_VKX • 09/2019
1
Device description
SIKA flow switches are designed for minimum or maximum monitoring of liquid flows.
Components
Body
Connecting cable
Resetting magnet
Reed contact
Switching magnet
Paddle system
Axis
O-ring
Knurled union nut
Pipe section respectively pipe with thread adapter
or soldering adapter.
Functional principle
The flow switch consists of a paddle system
which
has a permanent magnet
located at its upper end. A
reed contact
is positioned outside the flow by this
magnet. A second, magnet
is used to create a reset
force.
The paddle system is moved once it comes into con-
tact with the flow which is to be monitored. The magnet
changes its position in relation to
the reed contact
. The contact closes (
As soon as the flow is interrupted, the paddle returns to its original position and the reed
contact opens (
Various device versions are manufactured. The respective type plate displays the version of
each device.
1.1
Intended use
The flow switches of the series VKX are exclusively designed for minimum or maximum mon-
itoring of liquid flows.
WARNING! No safety component!
The flow switches of the series VKX are not safety components in accordance with Di-
rective 2006/42/EC (Machine Directive).
Never use the VKX as a safety component.
The operational safety of the supplied equipment is only guaranteed if it is operated accord-
ing to its intended use. The specified limit values (
§ 9 "Technical data") should never be ex-
ceeded.
Before ordering and installation, check that the flow switches of the series VKX suitable to
your application.
