KROHNE OPTISWIRL 4070 Quickstart EN - Manual (Page 18)

2
INSTALLATION
18
OPTISWIRL 4070
www.krohne.com 06/2010 - 4000122102 - QS OPTISWIRL R04 en
2.5.3 Installing devices in sandwich design
• Push the first bolt 3 through the hole 5 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 measuring sensor 1 between the two flanges.
• Insert the gaskets 6 between measuring 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 6 are concentric; they must not protrude into the pipe cross-section.
• Now tighten all nuts bit by bit alternately across the diagonal.
Figure 2-14: Installation using centering ring
1 Measuring sensor
2 Centering ring
3 Bolts with fixing nuts
4 Hole
5 Hole
6 Gasket
QS_OPTISWIRL4070_R04_en_122102_PRT.book Page 18 Monday, June 7, 2010 8:51 AM