+GF+ SG 160 - Page 47

Operating instructions SG 160 9 Fusion data
43
Heating element butt fusion of PP
Fusion chart according to DVS 2207-11
Heating element temperature 210 °C ± 10 °C
1
2
3
4
5
Nominal wall
thickness
Equalize
Bead height on the
heating element after
equalization time
(equalization at
0.10 N/mm
2
)
Heat soak
(heat soak
≈ 0.01 N/mm²)
Change
-
over
Join
Time until max
pressure reached
Cooling
Cooling time at fusion
pressure
(p = 0.10 N/mm²
± 0.01)
mm
mm
(min.value)
s
s
(max. time)
s
min
(min.value)
up to 4.5 0.5 up to 135 5 6 6
4.5 – 7.0 0.5 135 – 175 5 – 6 6 – 7 6 – 12
7.0 – 12.0 1.0 175 – 245 6 – 7 7 – 11 12 – 20
12.0 – 19.0 1.0 245 – 330 7 – 9 11 – 17 20 – 30
19.0 – 26.0 1.5 330 – 400 9 – 11 17 – 22 30 – 40
26.0 – 37.0 2.0 400 – 485 11 – 14 22 – 32 40 – 55
37.0 – 50.0 2.5 485 – 560 14 – 17 32 – 43 55 – 70
Diagram of standard values for heater temperatures in relation on pipe wall thickness
Process steps for heating element butt fusion
1 2 3 4 5