DW 6
FM Rev 03/04
3.0 Installation Instructions
CAUTION: For safety reasons, please read the cautionary information located at
the end of the manual, before attempting installation.
The KOBOLD DW series meters and switches are to be installed in the orientation
described by the symbol on the identification tag. (See Symbol Key, Diagram 3.1). In
general, the DW series may be installed in any desired position. The user, however,
must specify the installation orientation so that the flow scale is calibrated for this position
DURING MANUFACTURE. Installation in other positions will lead to inaccurate flow rate
indication.
Table 3.1; Flow Symbol Key
= To the left of line
= To the right of line
= Horizontal flow, left to right
= Horizontal flow, right to left
= Vertical flow, down
= Vertical flow, up
The DW is connected to your system in one of three fashions:
1. Pipe Fittings: Connect in direction indicated using appropriate tools.
2. Flange Connection: Connect in direction indicated using the flanges and the
gasket provided.
3. Weld Connection: The weld-on DW’s come with two flanges; one is
connected to the DW and the other to the joint to be welded to your pipe. Cut
a hole in the pipe into which the flange pipe will fit cleanly. This will guarantee
that travel of the paddle will not be hindered.
In welding the flange pipe to your system, it is important to keep the distance
between flange face and top of your system pipe at 50mm (See Diagram 2.6,
Dimensions). If this distance is not observed, flow rate measurement errors
will occur.
Observe also that when the flowmeter is re-installed on the flange, it
positioned so that the flow direction in the pipe and that indicated on the
instrument, match after installation.
