SIKA VVX Serie Notice D'utilisation page 20

Installation
2.1 Mounting With Thread
IMPORTANT
 Only use the O-rings supplied.
 Observe the flow direction on the device.
 Observe the mounting dimensions ( p. 29).
 Select a suitable location for installation ( 2 "Installation").
To ensure the best possible measuring accuracy, a vertical installation
position with increasing flow is preferable (no collecting of dirt depos-
its).
 Install suitable pipe fittings at the installation location.
 Insert the VVX with the gaskets.
 Screw the union nuts of the pipe fittings onto the process connections
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
9 Nm 15 Nm
⎔ = Width across flats
 Tighten both union nuts.
When tightening, counter the hexagon of the device with a spanner.
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VVX25 VVX32
⎔ 30 ⎔ 36
G1¼ G1 ½
20 Nm 30 Nm
VVX40
⎔ 46
G2
60 Nm
© SIKA • Ba_VVX • 10/2023
VVX