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Date: 2019-12-15
221rli002533en_5
Location: Büchen
Manufacturer's welding method: 141 (TIG impulse)
Document no::
Welder:
Welding process:
Type of seam:
Joint preparation:
.
Welding of the layers in 8 segment steps
Types of seam:
Welding bead
Root
Final run
Filler materials: in agreement with the expert
Inert gas: DIN EN ISO 14175 – I1
Root protection / forming gas DIN EN ISO 14175 – I1
Manufacturer:
Merhof, 2019-12-15
..................................................................................................
Name, date and signature (welding supervisor)
GEA INTERNAL
Manufacturer's welding instruction
50/40; 80/65; 100; 125; ''IPS
tested according to ISO 9606-1
141 DIN EN 24063
Bevel seam, fillet weld
Gap between flange-tank max. 0.2mm
Design of the connection
5
3
7
2
a1.2
Filler material
Process
[mm]
141
1
141
1.2; 1.6
Housing connection U
Type of preparation: mechanical
Type of cleaning: degreasing
Specifications for the base materials: 1.4404 ; 1.4435; 316L;
Workpiece thickness (mm):
Outer diameter (mm): 70; 85; 114; 154; 184; 212
Welding position: PA (flat position) PD (overhead)
Only impulse welding may be used
1.
Always tacked opposite, 4 - 8 times with filler
2. Welding may only be carried out using a jig which is connected to forming gas
1
(see 221MBL001334); during assembly of the
jig insert the segment clamp from the outside and fix it in place.
8
The max. tightening torque of the jig nut is 40Nm. After every
welding job, cool the weld seam quickly with water.
4
3. Root without filler wherever possible, final runs are welded with filler
(number of final runs depends on material thickness)
6
4. The jig may only be removed when the component temperature is < 30°C.
Amperage
Voltage
[A]
[V]
80 - 100
10 -14
80 - 100
10 – 14
Temperature of intermediate run: T<30°C
Flow rates [l/min
Inert gas:
Confirmation of exact performance of work by the
fabricator:
...........................................................................
Name, date and signature (welder)
t = 2mm to t = 4mm
Welding sequence
Type of current
Welding speed [mm/min]
Polarity of
electrode
=/-
=/-
]
:
10 - 15
Forming gas: 10 -20
GEA Tuchenhagen GmbH
Am Industriepark 2-10, 21514 Büchen, Germany
Phone +49 4155 49-0, Fax + 49 4155 49-2428
60 - 75
40 - 60
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