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8.2 Return
Strictly observe the following when shipping the instrument:
All instruments delivered to WIKA must be free from any kind of hazardous substances
(acids, bases, solutions, etc.) and must therefore be cleaned before being returned.
WARNING!
Physical injuries and damage to property and the environment through
residual media
Residual media in the dismounted instrument can result in a risk to persons,
the environment and equipment.
▶
With hazardous substances, include the material safety data sheet for the
corresponding medium.
▶
Clean the instrument, see chapter 7.2 "Cleaning".
When returning the instrument, use the original packaging or a suitable transport
packaging.
8.3 Disposal
Incorrect disposal can put the environment at risk.
Dispose of instrument components and packaging materials in an environmentally
compatible way and in accordance with the country-specific waste disposal regulations.
Do not dispose of with household waste. Ensure a proper disposal in accordan-
ce with national regulations.
9. Specifications
Specifications
Permissible temperature ranges
Ambient
0 ... 68 °C [32 ... 154 °F]
Storage
0 ... 68 °C [32 ... 154 °F]
Ingress protection
IP56/NEMA 4, suitable for indoor and outdoor applications
Process medium
Water
Operating pressure
268 psi [18.5 bar]
Switching function
2 x SPDT (single pole double throw), form C
Electrical rating
10 A, AC 125/250 V
■
2 A, DC 30 V res.
■
Electrical connection
Two inputs for 1/2" conduit
1) With UL346 the operating pressure is limited to 175 psi [12 bar] for pipe size 8 inch (DN 200).
For further specifications, see WIKA data sheet FL 50.01 and the order documentation.
WIKA operating instructions, flow switch, model FSFD
1)
Compatible pipes
Model
Nominal
Outer
pipe size
diameter in
mm [inch]
inch mm
FSFD 2
2
DN50
60.3 [2.38]
FSFD 2.5 2.5
DN65
73 [2.88]
FSFD 3
3
DN80
88.9 [3.5]
FSFD 3.5 3.5
101.6 [4]
FSFD 4
4
DN100 114.3 [4.5]
FSFD 5
5
-
141.3 [5.57]
FSFD 6
6
DN150 168.3 [6.63]
FSFD 8
8
DN200 8.63 [219.1]
Model
Bore size in
Tightening torque of the
mm [inch]
U-bolt nuts in Nm [ft/lb]
FSFD 2
33
[1.3
]
45 [33]
±2
±0.08
FSFD 2.5
FSFD 3
50.8
[2
]
85 [63]
±2
±0.08
FSFD 3.5
FSFD 4
FSFD 5
FSFD 6
FSFD 8
Wall thickness
Light-weight
Schedule
Schedule 40
wall in mm
10 in mm
in mm [inch]
[inch]
[inch]
1.65 [0.06]
2.77 [0.11]
3.91 [0.15]
2.13 [0.08]
3.05 [0.12]
5.16 [0.2]
2.11 [0.08]
3.05 [0.12]
5.49 [0.22]
-
3.05 [0.12]
5.74 [0.23]
2.13 [0.08]
3.05 [0.12]
6.02 [0.24]
-
3.4 [0.13]
6.55 [0.26]
2.92 [0.12]
3.4 [0.13]
7.11 [0.28]
-
3.76 [0.15]
8.18 [0.32]
8
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