Mounting With Thread - SIKA VVX Série Notice D'utilisation

VVX
IMPORTANT
Mechanical vibrations transmitted to the VVX from sources such as pumps or
compressors can lead to measurement errors.
 Select the installation location to prevent the transmission of vibrations to the
VVX.

3.1 Mounting with thread

IMPORTANT
 Use only the provided gasket.
 Observe the flow direction indicated on the device.
 Observe the mounting dimensions ( p. 35).
 Select an appropriate location for installation ( 3 "Installation").
To ensure the best possible measuring accuracy, a vertical installation
position with increasing flow is preferable (no collecting of dirt depos-
its).
 Install the appropriate screwed connections at the installation location.
 Insert the VVX together with the gaskets.
 Screw the union nuts of the screwed connection onto the process con-
nections of the VVX.
IMPORTANT
Pay attention to maximum torque.
While tightening, counter the union nut on the
hexagon of the process connection!
If you do not counter it, the VVX can be dam-
aged.
Maximum torque
VVX15 VVX20
⎔ 19 ⎔ 24
G¾ G1
5 Nm 12 Nm
⎔ = Width across flats
 Tighten both union nuts.
When tightening, use a spanner to counter the process connection on the hexagon in
place.
Technical changes reserved
VVX25 VVX32
⎔ 30 ⎔ 36
G1¼ G1 ½
12 Nm 30 Nm
VVX40
⎔ 46
G2
60 Nm
Installation
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