Operating instructions GF 500
7 Fusion
19
7.4
Example
Pipe/fitting
PE
Heater temperature
210 °C
Pipe outer diameter
400 mm Drag resistance
7 bar
Pressure rating
SDR 11
Table value
44 bar
Wall thickness
36.3 mm Adjustment value on
hydraulic unit
51 bar
Equalize
with a pressure of 51 bar until a bead height of 3.0 mm
results (column 1)
Heat soak
for 363 sec with a pressure of 0.02 N/mm
2
(column 2)
Change-over
within max. 16 sec (column 3)
Join
for max. 19 sec (column 4)
Cooling
for 44 min (column 5)
7.5
Fusion data
Heating element butt fusion of HD-PE
Fusion table/DVS 2207/1 guidelines
Heating element temperature 210 °C
±
10 °C
1 2 3 4 5
Nominal wall
thickness
Equalize
Bead height on
heating element
after equalization
(equalization at
0.15N/mm
2
)
Heat soak
Heat soak time = 10
x wall thickness
(heat soak at 0.02
N/mm
2
)
Change-over
Join
Time until max
pressure reached
Cooling
Cooling time at
fusion pressure
p = 0.15 N/mm
2
± 0.01
mm
mm
(min.value)
sec sec
(max. time)
sec min
(min.value)
up to 4.5
0.5
45
5
5
6
4.5 – 7.0
1.0
45 – 70
5 – 6
5 – 6
6 – 10
7.0 – 12.0
1.5
70 – 120
6 – 8
6 – 8
10 – 16
12.0 – 19.0
2.0
120 – 190
8 – 10
8 – 11
16 – 24
19.0 – 26.0
2.5
190 – 260
10 – 12
11 – 14
24 – 32
26.0 – 37.0
3.0
260 – 370
12 – 16
14 – 19
32 – 45
37.0 – 50.0
3.5
370 – 500
16 – 20
19 – 25
45 – 60
50.0 – 70.0
4.0
500 – 700
20 – 25
25 – 35
60 – 80
