Branches for control conductors placing are divided into horizontal and vertical ones (route turns in the plane and in the profile). Standard angles of branches may be of four types - 90º, 60º, 45º, 30º. Branches with nonstandard elbow angles (from 3º to 90º) are also insulated.

|
Pipe diameter, mm
|
PE coating diameter, mm
|
In galvanized steel coating Type 1
|
90º
|
60º
|
45º
|
30º
|
|
Type 1
|
Type 2
|
L
|
|
57
|
125
|
140
|
125
|
1000
|
1000
|
1000
|
1000
|
|
76
|
140
|
160
|
140
|
|
89
|
160
|
180
|
160
|
|
108
|
180
|
-
|
180
|
|
133
|
225
|
250
|
225
|
|
159
|
250
|
-
|
250
|
|
219
|
315
|
-
|
315
|
|
273
|
400
|
450
|
400
|
|
325
|
450
|
-
|
450
|
1050
|
860
|
786
|
720
|
|
426
|
560
|
-
|
560
|
1100
|
889
|
807
|
734
|
|
530
|
710
|
-
|
711
|
1200
|
946
|
848
|
761
|
|
630
|
800
|
-
|
800
|
1200(1280*)
|
945(1014*)
|
848(911*)
|
761(819*)
|
|
720
|
900
|
-
|
914
|
1370*
|
1066*
|
948*
|
843*
|
|
820
|
1000
|
-
|
1000
|
1470*
|
1073*
|
990*
|
820*
|
|
1020
|
1200
|
-
|
1250
|
1620*
|
1189*
|
1022*
|
874*
|
|
1220
|
-
|
-
|
1400
|
1820*
|
1304*
|
1105*
|
927*
|
|
* Welded branches.
** Making branches with other angles is allowed
*** Making sharply-bent branches as per GOST 17375 is allowed.
|
Example of reference designation of 90 degree branch with outside diameter of 57 mm, wall thickness of 3mm with insulation of type 1, of vertical (V) or horizontal (H) configuration:
Branch St 57х3-90-1-FPU-PE(Galv)-B GOST 30732-2006
Note:
1. Branches may be produced with any angle and different leg size on request.
Z-, П- Shaped Elements

|
d
|
L
|
Н
|
d
|
L
|
Н
|
|
32
|
1000
|
2000
|
325
|
1050
|
2100
|
|
38
|
1000
|
2000
|
426
|
1100
|
2200
|
|
45
|
1000
|
2000
|
530
|
1200
|
2400
|
|
57
|
1000
|
2000
|
630
|
1280
|
2560
|
|
76
|
1000
|
2000
|
720
|
1370
|
2770
|
|
89
|
1000
|
2000
|
820
|
1470
|
2940
|
|
108
|
1000
|
2000
|
920
|
1570
|
3140
|
|
133
|
1000
|
2000
|
1020
|
1620
|
3240
|
|
159
|
1000
|
2000
|
1220
|
1820
|
3640
|
|
219
|
1000
|
2020
|
|
|
|
|
273
|
1000
|
2000
|
|
|
|
Example of reference designation of Z-shaped element of 108 mm in diameter, with insulation of type 1:
Z-shaped element St 108-1-FPU-PE(Galv) GOST 30732—2006
Example of reference designation of П-shaped element of 108 mm in diameter, with insulation of type 1:
П-shaped element St 108-1- FPU-PE(Galv) GOST 30732—2006
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