Burkert Flowave 8098, Operating Instructions Manual

Page: 47 / 354

47
Installation in the pipe
Type 8098 FLOWave L
→
To make sure that neither air bubbles nor gas bubbles trouble the measuring, install the device as rec-
ommended in Fig. 15 .
α
flow direction
flow direction
flow direction
Recommended Not recommended Not recommended
α is the minimum angle to the horizontal for proper self-draining (see Table 13 )
Fig. 15: Orientation of a device to avoid air bubbles and gas bubbles
→
To allow proper self-draining and to respect the 3A and EHEDG requirements, install the device into a
pipe with a minimum angle against the horizontal. See Table 13 .
Table 13: Minimum angle against the horizontal for proper self-draining
Type of process connection Standards the process connections conform to
Angle against the
horizontal
clamp
• DIN 32676 series A
• DIN 11864-3 series A
• SMS 3017 / ISO 2852 for pipes according to
SMS 3008
For DN15 to DN50:
minimum 5°
For DN8 and DN65 to
DN100:
minimum 3°
flange DIN 11864-2 series A
For DN15 to DN50:
minimum 5°
For DN8 and DN65 to
DN100:
minimum 3°
clamp
• ASME BPE (DIN 32676 series C)
• DIN 32676 series B
• DIN 11864-3 series B
• DIN 11864-3 series C
minimum 3°
flange
• DIN 11864-2 series B
• DIN 11864-2 series C
minimum 3°
external threaded DIN 11851 series A minimum 3°
→
If the pipe is fitted with a thermal insulation, do not thermally insulate the measurement tube of the
device to make sure that the temperature in the device is less than 70 °C. Refer to Fig. 16 and, for the
minimum supply voltage, to chapter 8.3.
English