User guide

22
Installation
Type 8025 / 8035
7.2. Installation of a compact version
7.2.1. Instructions for installing a compact version onto the pipe
The 8025 flowmeter has to be inserted into an S020 fitting mounted on a pipe.
The 8035 flowmeter has to be installed on the pipe using the S030 sensor-fitting.
→ Choose an S020 or S030 fitting appropriate to the velocity of the fluid inside the pipe: refer to the graphs below:
Tab. 3: Flow rate/ fluid velocity/ DN of S020 fitting and of S030 sensor-fitting diagram
S020 fitting
0.10.3 0.51 35 10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
200
m
3
/h
0.2
0.5
1
2
5
10
20
50
100
200
500
1000
2000
3000
l/min
0.3
0.51 35 10
30
m/s
fps
US gpm
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
200
500
1000
DN 65
DN 50 (DN65)*
DN 40 (DN50)*
DN 32 (DN40)*
DN 25 (DN32)*
DN 20 (DN25)*
500
1000
2000
2000
5000
10000
5000
20000
5000
10000
20000
30000
50000
100000
DN 400
DN 350
DN 300
DN 250
DN 200
DN 150
DN 125
DN 100
DN 80
Flow velocity
Flow rate
Example
1)
S030 sensor-fitting
0.10.3 0.51 3
5
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
200
m
3
/h
l/min
0.30.5 13510
30
m/s
fps
gpm
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
200
500
1000
DN65
DN50 (DN65)*
DN40 (DN50)*
DN32 (DN40)*
DN25 (DN32)*
DN20 (DN25)*
DN15 (DN15 / DN20)*
DN08
DN06
0.2
0.5
1
2
5
10
20
50
100
200
500
1000
2000
3000
Flow rate
Flow velocity
Example
Example:
• Specification: if the nominal flow rate is 10 m
3
/h, the
ideal flow velocity is between 2 and 3 m/s.
• Solution: intersection between flow rate and flow
velocity in the graph gives the appropriate pipe
diameter, DN40 (or DN50 for the asterisked fittings).
1)
The device cannot be installed onto the following DN20 fittings:
* For the fittings:
• with external threads acc. to SMS 1145.
• with weld ends acc. to SMS 3008, BS 4825 / ASME BPE or DIN 11850 Rg2.
• Clamp acc. to SMS 3017 / ISO 2852, BS 4825 / ASME BPE or DIN 32676.
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