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Mặt bích hệ DIN PN6

WELD NECK FLANGE DIN 2631 PN6

Jinan Hyupshin Flanges Co., Ltd, Steel flanges manufacturer, exporter, supplier from Shandong of China, DIN welding neck flange, DIN2631 flange, DIN2632 flange, DIN2633 flange, DIN2634 flange, DIN2635 flange, WNRF flange

1. Standard: DIN 2631, Vorschweißflansche
2. Type: Welding Neck Flange, WN Flange (Raised Face)
3. Pressure: PN6
4. Size: DN15 - DN1000, larger Sizes available on request
5. Raw Material: C22.8, RSt37.2, S235JRG2, C21, A105
6. Process: Forged
7. Basic requirements for Material and Flange

Germany standard flange DIN 2631 welding neck flanges; nominal pressure 6
Vorschweißflansche DIN 2631 Nenndruck 6
Brides à souder à collerette DIN 2631: pression nominale 6
Pipe			Flange				Neck				Raised face		Screws			Weight
																(7,85 Kg/dm3)
Rated	d1		D	b	k	h1	d3	s	r	h2	d4	f	Holes	Thread	d2	Kg
Diameter	ISO Series	DIN Series
15	-	20	80	12	55	30	28	2	4	6	40	2	4	M 10	11	0,392
	21,3	-					30
20	-	25	90	14	65	32	35	2,3	4	6	50	2	4	M 10	11	0,592
	26,9	-					38
25	-	30	100	14	75	35	40	2,6	4	6	60	2	4	M 10	11	0,747
	33,7	-					42
32	-	38	120	14	90	35	50	2,6	6	6	70	2	4	M 12	14	1,05
	42,4	-					55
40	-	44,5	130	14	100	38	58	2,6	6	7	80	3	4	M 12	14	1,18
	48,3	-					62
50	-	57	140	14	110	38	70	2,9	6	8	90	3	4	M 12	14	1,34
	60,3	-					74
65	76,1	-	160	14	130	38	88	2,9	6	9	110	3	4	M 12	14	1,67
80	88,9	-	190	16	150	42	102	3,2	8	10	128	3	4	M 16	18	2,71
100	-	108	210	16	170	45	122	3,6	8	10	148	3	4	M 16	18	3,24
	114,3						130
125	-	133	240	18	200	48	148	4	8	10	178	3	8	M 16	18	4,49
	139,7	-					155
150	-	159	265	18	225	48	172	4,5	10	12	202	3	8	M 16	18	5,15
	168,3	-					184
200	219,1	-	320	20	280	55	236	5,9	10	15	258	3	8	M 16	18	7,78
250	-	267	375	22	335	60	282	6,3	12	15	312	3	12	M 16	18	10,8
	273	-					290
300	323,9	-	440	22	395	62	342	7,1	15	15	365	4	12	M 20	22	14
350	355,6	-	490	22	445	62	385	7,1	12	15	415	4	12	M 20	22	18,5
	-	368														16,7
400	406,4	-	540	22	495	65	438	7,1	12	15	465	4	16	M 20	22	21,2
	-	419														19
500	508	-	645	24	600	68	538	7,1	12	15	570	4	20	M 20	22	28,6
600	610	-	755	24	705	70	640	7,1	12	16	670	5	20	M 24	26	31,5
700	711	-	860	24	810	70	740	7,1	12	16	775	5	24	M 24	26	37,4
800	813	-	975	24	920	70	842	7,1	12	16	880	5	24	M 27	30	46,1
900	914	-	1075	26	1020	70	942	7,1	12	16	980	5	24	M 27	30	55,6
1000	1016	-	1175	26	1120	70	1045	7,1	16	16	1080	5	28	M 27	30	61,9

NOTE:

1. Facing according to DIN 2526
Flat face:
Form A, Face without any requirements
Form B, Face Rz=160, machined (not smoother than 40µm)
Raised Face:
Form C, Face Rz=160, machined (not smoother than 40µm)
Form D, Face Rz=40, machined
Form E, Face Rz=16, machined
2. Tongue and groove according to DIN 2512
Form F, Tongue
Form N, Groove
3. Male and Female according to DIN 2513, DIN 2514
Form V13, V14, Male
Form R13, R16, Female
4. Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695
5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696

Mặt bích hệ DIN PN6

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