Burkert Type S020 - Manual (Page 36)

36
Installationandcommissioning
Type S020
Flow direction
Marking of the flow
direction
Polarizing pin
→
Position the pola-
rizing pin opposite
the flow direction.
Polarising pin
α
α
→
Align the polarizing
pin (a < 3°) in the
axis of the pipe.
→
Tip 4 points at 90°
from each other.
→
Weld around the
entire circumfe-
rence of the fusion
spigot.
Fig. 13: Installing a welding socket, for measuring devices with a
clamp connection
7.2.6. installing a fusion spigot (pe, pp or
pVdf)
ø 40 mm
→
Drill a hole 40 mm in dia-
meter in the pipe.
Internal pola-
rising slot
External pola-
rising slots
α α
→
Position the oblong
internal polarising slot
opposite the flow direction.
→
Align 2 of the 4 external
polarizing slots (a < 3°) in
the axis of the pipe.
Weld
→
Weld around the entire cir-
cumference of the fusion
spigot.
Fig. 14: Installing a fusion spigot (PE, PP or PVDF)
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