+GF+ SG 160 - Page 50

9 Fusion data Operating instructions SG 160
46
Guidelines for heating element socket fusion of pipes and piping
components of PP at an ambient temperature of 20 °C and moderate
air movement.
Heater temperature 260 °C ±
±±
± 10 °C
1
2
3
4
5
Pipe outer
diameter
Heat soak
Changeover
Cooling
for PN 10
SDR 11
2)
s
for PN 6
SDR
17,666
2)
s
(Maximum time)
s
fi
xed
s
total
min
d in mm
16 5 4 6 2
20 5 4 6 2
25 7
1)
4 10 2
32 8
1)
6 10 4
40 12
1)
6 20 4
50 18
1)
6 20 4
63 24 10 8 30 6
75 30 15 8 30 6
90 40 22 8 40 6
110 50 30 10 50 8
1)
Due to small wall thickness, fusion is not advisable.
2)
Standard Dimension Ratio = d/s (d= pipe outer diameter, s= pipe wall
thickness)