KROHNE OPTISWIRL 4070 EN - Manual (Page 31)

INSTALLATION
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OPTISWIRL 4070
www.krohne.com 02/2013 - 4000150606 MA OPTISWIRL4070C R07 en
3.6.3 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 3-13: Installation using centering ring
1 Measuring sensor
2 Centering ring
3 Bolts with fixing nuts
4 Hole
5 Gasket
MA_OPTISWIRL4070C_R07_en_150606_PRT.book Page 31 Wednesday, February 13, 2013 2:47 PM