▲Standard: DIN2631
▲Flange type: Welding Neck Flange
▲Size: DN10-DN3600
▲Pressure: PN6
▲Connection type: Ring type joint,Lap-joint face,Raised face,Flat face,Large male-female,Small male-female,Large tongue & groove,Small tongue & groove.
▲ Material:
1) Stainless Steel Material:
ASTM A182 F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Duplex stainless steel UNS S32304,S31803,S32205.
Super Duplex stainless steel UNS S32750/S32760/S31254/S31260/S32550/S32707
2) Carbon Steel Material:
ASTM A105, A350 LF2,P235GH,P250GH,SS400,Q235,C22.8,20#,16mn.
3) Alloy Steel Material:
ASTM A 182, GR F1,F5, F9, F11, F22, F91
ASTM A694 F42/F46/F52/F60/F65/F70/F80.
4) Copper&Nickel Alloy Material:
CU/NI 90/10, CU/NI 70/30
5) Nickel Alloy Material:
Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276
▲Surface treatment: CNC Machined&Finishing, Anti-rust oil,Transparent/Yellow/Black Anti-rust paint, Hot dipped/ Electric galvanized.
▲Usage:Oil field, Offshore, Water system, Shipbuilding, Natural gas,Electric power, Pipe projects,etc.
This product Keywords:DIN Flange DIN Steel Flange DIN Welding Neck Flange

DIN 2631 PN6 Welding Neck Flange Dimensions in mm.

Pipe			Flange				Neck				Raised face		Screws			Weight
Rated	d1		D	b	k	strong	D3	S	r	strong	d4	f	No. of Holes	Thread	d2	(7.85 Kg/dm3)
DN	ISO	DIN	D	b	k	strong	D3	S	r	strong	d4	f	Each	Thread	d2	KG/PCS
10	-	14	75	12	50	28	22	1.8	4	6	35	2	4	M10	11	0.34
10	17.2	-	75	12	50	28	26	1.8	4	6	35	2	4	M10	11	0.34
15	-	20	80	12	55	30	28	2	4	6	40	2	4	M10	11	0.39
15	21.3	-	80	12	55	30	30	2	4	6	40	2	4	M10	11	0.40
20	-	25	90	14	65	32	35	2.3	4	6	50	2	4	M10	11	0.60
20	26.9	-	90	14	65	32	38	2.3	4	6	50	2	4	M10	11	0.60
25	-	30	100	14	75	35	40	2.6	4	6	60	2	4	M10	11	0.76
25	33.7	-	100	14	75	35	42	2.6	4	6	60	2	4	M10	11	0.75
32	-	38	120	14	90	35	50	2.6	6	6	70	2	4	M12	14	1.07
32	42.4	-	120	14	90	35	55	2.6	6	6	70	2	4	M12	14	1.06
40	-	44.5	130	14	100	38	58	2.6	6	7	80	3	4	M12	14	1.21
40	46.3	-	130	14	100	38	62	2.6	6	7	80	3	4	M12	14	1.20
50	-	57	140	14	110	38	70	2.9	6	8	90	3	4	M12	14	1.37
50	60.3	-	140	14	110	38	74	2.9	6	8	90	3	4	M12	14	1.36
65	76.1	-	160	14	130	38	88	2.9	6	9	110	3	4	M12	14	1.69
80	88.9	-	190	16	150	42	102	3.2	8	10	128	3	4	M16	18	2.72
100	-	108	210	16	170	45	122	3.6	8	10	148	3	4	M16	18	3.29
100	114.3	-	210	16	170	45	130	3.6	8	10	148	3	4	M16	18	3.22
125	-	133	240	18	200	48	148	4	8	10	178	3	8	M16	18	4.58
125	139.7	-	240	18	200	48	155	4	8	10	178	3	8	M16	18	4.42
150	-	159	265	18	225	48	172	4.5	10	12	202	3	8	M16	18	5.26
150	158.3	-	265	18	225	48	184	4.5	10	12	202	3	8	M16	18	5.04
200	219.1	-	320	20	280	55	236	5.9	10	15	258	3	8	M16	18	7.95
250	-	267	375	22	335	60	282	6.3	12	15	312	3	12	M16	18	11.16
250	273.0	-	375	22	335	60	290	6.3	12	15	312	3	12	M16	18	10.87
300	323.9	-	440	22	395	62	342	7.1	12	15	365	4	12	M20	22	14.26
350	355.6	-	490	22	445	62	385	7.1	12	15	415	4	12	M20	22	18.54
350	-	368	490	22	445	62	385	7.1	12	15	415	4	12	M20	22	16.78
400	406.6	-	540	22	495	65	438	7.1	12	15	465	4	16	M20	22	21.25
400	-	419	540	22	495	65	438	7.1	12	15	465	4	16	M20	22	19.10
500	508.0	-	645	24	600	68	538	7.1	12	15	570	4	20	M20	22	28.67
600	610.0	-	755	24	705	70	640	7.1	12	16	670	5	20	M24	26	34.80
700	711.0	-	860	24	810	70	740	7.1	12	16	775	5	24	M24	26	40.94
800	813.0	-	975	24	920	70	842	7.1	12	16	880	5	24	M27	30	49.19
900	914.0	-	1075	26	1020	70	942	7.1	12	16	980	5	24	M27	30	58.10
1000	1016.0	-	1175	26	1120	70	1045	7.1	16	16	1080	5	28	M27	30	63.48
1200	1220.0	-	1405	28	1340	90	1248	8	16	20	1295	5	32	M30	33	100.17
1400	1420.0	-	1630	32	1560	90	1452	8	16	20	1510	5	36	M33	36	142.78
1600	1620.0	-	1830	34	1760	90	1655	9	16	20	1710	5	40	M33	36	174.36
1800	1820.0	-	2045	36	1970	100	1855	10	16	20	1920	5	44	M36	39	226.98
2000	2020.0	-	2265	38	2180	110	2058	11	16	25	2125	5	48	M39	42	292.12
2200	2220.0	-	2475	42	2390	115	2260	12	18	25	2335	6	52	M39	42	366.33
2400	2420.0	-	2685	44	2600	125	2462	13	18	25	2545	6	56	M39	42	448.52
2600	2620.0	-	2905	46	2810	130	2665	14	18	25	2750	6	60	M45	48	540.16
2800	2820.0	-	3115	48	3020	135	2865	15	18	30	2960	6	64	M45	48	630.03
3000	3020.0	-	3315	50	3220	140	3068	16	18	30	3160	6	68	M45	48	716.33
3200	3220.0	-	3525	54	3430	150	3272	16	20	30	3370	6	72	M45	48	854.42
3400	3420.0	-	3735	46	3640	160	3475	18	20	35	3580	6	76	M45	48	887.81
3600	3620.0	-	3970	60	3860	165	3678	18	20	35	3790	6	80	M52	56	1202.43

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