Installing Devices In Sandwich Design - Siemens SITRANS FX330 Operating Instructions Manual

INSTALLATION
3

3.8.2 Installing devices in sandwich design

Figure 3-12: Installation using centering ring
1 Flow sensor
2 Centering ring
3 Bolts with fixing nuts
4 Drill hole
5 Sealing
• Push the first bolt 3 through the hole 4 of both flanges.
• Screw on the nuts and washers to both ends of the bolt 3 but do not tighten them.
• Install the second bolt through the holes 4.
• Place the flow sensor 1 between the two flanges.
• Insert the gaskets 5 between flow sensor 1 and flanges and align them.
• Check that the flange is concentric.
• Install the remaining bolts, washers and nuts. Do not yet tighten the nuts.
• Turn the centring ring 2 in a counter-clockwise direction and align the device.
• Check that the gaskets 5 are concentric; they must not protrude into the pipe cross-section.
• Now tighten all nuts bit by bit alternately across the diagonal.
30 www.siemens.com/flow
SITRANS FX330
05/2016 - A5E36751269-AA