Foundation: 2207, 2208 DIN 16932 German association for welding
Use for:
HRG 8 / 10 / 12 / 14 / 16
1 bar on manomet
463
N
PE 80
The v alue f or heating element temperature is between 200° C - 220° C.
The
smal ler
the pipe wall the
high er
the temperature.
PE 100
The standard v alue f or heating element temperature is 220° C.
Increase the change-ov er time and the welding pressure time at PE 100 as f ast as possible !
time to
chan ge- reach full
over
weld ing cool-down time
0,15 (PE)
time
pressure
pressure in
T
desired
temperature
time
pipe
pipe
SDR
bead -up circu lar heat -up max.
time
weld ing cool-
diame ter wall
pressure bead
time
chan ge- to reach pressure down
OD
(s)
[bar]
min.
[s]
over
weld ing [bar]
time
[mm]
[mm]
[mm]
time
pressure
[min]
[s]
[s]
5
in welding area
Table for PE
bead -up
heat-up
Additional to the giv en bead-up f orce and to the welding f orce the mov ing f orce of the support must be add
welding area
P (N/mm²)
1400
34,4
41
48
3,0
344
15
18
48
42
1400
42,9
33
60
3,5
429
18
22
60
52
1400
53,5
26
74
4,0
535
21
27
74
64
1600
39,2
41
63
3,5
392
17
20
63
48
1600
49,0
33
78
3,5
490
20
25
78
59
1600
61,2
26
96
4,0
612
23
31
96
71
5
Remaining under the cool-down time for up to 50% is allowed under the following condi
•
pref abrication under workshop conditions
•
low additional pressure at unclamping
•
no additional pressure during f urther cooling down
•
load onto the workpieces only af t er being completely cooled down
12.02.04
Working Instructions WIDOS HRG 14
Page 25 / 3 of 42
