Spigot / socket welding guide of PE PP PVDF and PB pipes and fittings

Socket Fusion – Socket Welding

Note: The tables below are indicative only.

Always use current pipe supplier’s instructions.

Temperature of heating element 250 to 270 ºC

Warm-up time in seconds at room temperature 20 ° C

PE and PP

Dim. ext. pipe in mm.	16	20	25	32	40	50	63	75	90	110	125
Chamfering (15º) length mm.	2	2	2	2	2	2	3	3	3	3	3
Recess depth	13	14	16	18	20	23	27	31	35	41	46
Warm (sec.) SDR 11 – SDR7,4	5	5	7	8	12	18	24	30	40	50	60
Warm (sec.) SDR 17 – SDR 17,6	*	*	*	*	*	*	10	15	22	30	35
Changeover time (sec.)	4	4	4	6	6	6	8	8	8	10	10
Cooling Time (fixeret) and sec.	2	2	10	10	20	20	30	30	40	50	60
Cooling Time (total) i min.	2	2	2	4	4	4	6	6	6	8	8

* not recommended due to the low thickness of the wall.

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PVDF

Dim. outer pipe in mm.	16	20	25	32	40	50	63	75	90	110
Wall thickness minimum mm.	1,5	1,9	1,9	2,4	2,4	3	3	3	3	3
Chamfering (15º) length mm.	2	2	2	2	2	2	3	3	3	3
Recess depth	13	14	16	18	20	23	27	31	35	41
Warm (sec.)	4	6	8	10	12	18	20	22	25	30
Changeover time (sec.)	4	4	4	4	4	6	6	6	6	6
Cooling Time (fixeret) and sec.	6	6	6	12	12	12	18	18	18	24
Cooling Time (total) i min.	2	2	2	4	4	4	6	6	6	8

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Dim. outer pipe in mm.	20	25	32	40	50	63	75
Wall thickness minimum mm.	2,0	2,3	3,0	3,7	4,6	5,8	6,8
Chamfering (15º) length mm.	2	2	2	2	2	3	3
Recess depth	15	18	20	22	25	28	31
Warm (sec.)	6	6	10	14	18	22	26
Changeover time (sec.)	4	4	4	4	6	6	6
Cooling Time (fixeret) and sec.	15	15	20	20	30	30	60
Cooling Time (total) i min.	2	2	4	4	4	6	6

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Type B Calibration of pipe

Pipe diameter(mm.)	Calibration diameter(mm.)	Calibration lengthMinimum (mm.)
16	15,90 ±0,05	13
20	19,90 ±0,05	14
25	24,90 ±0,05	16
32	31,90 ±0,05	18
40	39,85 ±0,10	20
50	49,85 ±0,10	23
63	62,80 ±0,15	27
75	74,80 ±0,15	31
90	89,80 ±0,15	35
110	109,75 ±0,20	41
125	124,75 ±0,20	44

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Type A Dimensions of the spigot and socket set.

There is no mechanical working of the pipe welding area.

Pipe diameter mm.	D1(mm.)	D2(mm.)	D3(mm.)	D4(mm.)	L1(mm.)	L2(mm.)	L3(mm.)	R(mm.)
16	16,15	15,92	15,43	15,65	11,0	4	13,0	2,5
20	20,15	19,94	19,40	19,65	12,0	4	14,0	2,5
25	25,25	24,92	24,37	24,65	13,0	4	15,0	2,5
32	32,15	31,90	31,34	31,65	14,5	5	16,5	3,0
40	40,15	39,88	39,31	39,65	16,0	5	18,0	3,0
50	50,20	49,84	49,27	49,65	18,0	5	20,0	3,0
63	63,20	62,78	62,22	62,70	24,0	6	24,0	4,0
75	75,25	74,57	73,67	74,70	26,0	6	26,0	4,0
90	90,30	89,54	88,61	89,75	29,0	6	29,0	4,0
110	110,30	109,45	108,48	109,75	32,5	6	32,5	4,0
125	125,30	124,38	123,36	124,75	35,0	6	35,0	4,0

Diameter tolerance: ≤ 40 mm. ± 0,04 mm.

Diameter tolerance: ≤ 50 mm. ± 0,06 mm.

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Type B Dimensions of the spigot and socket set.

Carry out mechanical machining / Calibration of the pipe welding area.

Pipe diameter mm.	D1(mm.)	D2(mm.)	D3(mm.)	D4(mm.)	L1(mm.)	L2(mm.)	L3(mm.)	R(mm.)
16	15,90	15,76	15,37	15,50	14,0	4	13	2,5
20	19,85	19,70	19,31	19,45	15,0	4	14	2,5
25	24,85	24,68	24,24	24,40	17,0	4	16	2,5
32	31,85	31,65	31,17	31,35	19,5	5	18	3,0
40	39,80	39,58	39,10	39,30	21,5	5	20	3,0
50	49,80	49,55	49,07	49,30	24,5	5	23	3,0
63	62,75	62,46	61,93	62,20	29,0	6	27	4,0
75	74,75	74,42	73,84	74,15	33,0	6	31	4,0
90	89,75	89,38	88,75	89,10	37,0	6	35	4,0
110	109,70	109,27	108,59	109,00	43,0	6	41	4,0
125	124,70	124,22	123,49	123,49	48,0	6	46	4,0

Diameter tolerance: ≤ 40 mm. ± 0,04 mm.

Diameter tolerance: ≤ 50 mm. ± 0,06 mm.

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