User guide

34
Installation and commissioning
Type S020
7.2.4. Installing a welding socket with
radius, for measuring devices with a
G2'' nut
ø 28 mm
→ Drill a hole 28 mm in
diameter in the pipe.
Internal polarising
slot
External polarising
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
circumference of the
welding socket with
radius.
Fig. 12: Installing a welding socket with radius
7.2.5. Installing a welding socket, for
measuring devices with a clamp
connection
The welding socket can be installed:
• either on a T fitting with a short branch, installed into the pipe,
• or on the pipe which has previously been drilled and extruded to
shape a T fitting with a short branch.
→ Respect the following dimensions to drill and extrude the pipe:
DN Standard H D
32 ISO4200 38.4
40 SMS 3008 3.0 35.6
BS 4828 / ASME BPE 2.5 34.8
DIN 11850 range 2 3.0 38
ISO4200 38.4
50 SMS 3008 3.0 35.6
BS 4828 / ASME BPE 2.5 34.8
DIN 11850 range 2 3.5 38
ISO4200 38.4
65 SMS 3008 3.0 35.6
BS 4828 / ASME BPE 4.0 34.8
DIN 11850 range 2 4.0 38
ISO4200 38.4
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