▲Standard: DIN2634
▲Flange type: Welding Neck Flange
▲Size: DN10-DN1000
▲Pressure: PN25
▲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:welding neck flanges DIN Welding Neck Flange DIN 2634 PN25 Flange

DIN 2634 PN25 Weld 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	90	16	60	35	25	1.8	4	6	40	2	4	M12	14	0.67
10	17.2	-	90	16	60	35	28	1.8	4	6	40	2	4	M12	14	0.66
15	-	20	95	16	65	38	30	2	4	6	45	2	4	M12	14	0.75
15	21.3	-	95	16	65	38	32	2	4	6	45	2	4	M12	14	0.75
20	-	25	105	18	75	40	38	2.3	4	6	58	2	4	M12	14	1.07
20	26.9	-	105	18	75	40	40	2.3	4	6	58	2	4	M12	14	1.07
25	-	30	115	18	85	40	42	2.6	4	6	68	2	4	M12	14	1.29
25	33.7	-	115	18	85	40	46	2.6	4	6	68	2	4	M12	14	1.28
32	-	38	140	18	100	42	52	2.6	6	6	78	2	4	M16	18	1.88
32	42.4	-	140	18	100	42	56	2.6	6	6	78	2	4	M16	18	1.86
40	-	44.5	150	18	110	45	60	2.6	6	7	88	3	4	M16	18	2.1
40	48.3	-	150	18	110	45	64	2.6	6	7	88	3	4	M16	18	2.08
50	-	57	165	20	125	48	72	2.9	6	8	102	3	4	M16	18	2.81
50	60.3	-	165	20	125	48	75	2.9	6	8	102	3	4	M16	18	2.78
65	76.1	-	185	22	145	52	90	2.9	6	10	122	3	8	M16	18	3.61
80	88.9	-	200	24	160	58	105	3.2	8	12	138	3	8	M16	18	4.62
100	-	106	235	24	190	65	128	3.6	8	12	162	3	8	M20	22	6.42
100	114.3	-	235	24	190	65	134	3.6	8	12	162	3	8	M20	22	6.27
125	-	133	270	26	220	68	155	4	8	12	188	3	8	M24	26	8.83
125	139.7	-	270	26	220	68	162	4	8	12	188	3	8	M24	26	8.61
150	-	159	300	28	250	75	182	4.5	10	12	218	3	8	M24	26	11.67
150	166.3	-	300	28	250	75	192	4.5	10	12	218	3	8	M24	26	11.29
175	193.7	-	330	28	280	75	218	5.6	10	15	248	3	12	M24	26	13.11
200	219.1	-	360	30	310	80	244	6.3	10	16	278	3	12	M24	26	16.61
250	-	267	425	32	370	88	292	7.1	12	18	335	3	12	M27	30	23.99
250	273.0	-	425	32	370	88	298	7.1	12	18	335	3	12	M27	30	23.48
300	323.9	-	485	34	430	92	352	8	12	18	395	4	16	M27	30	30.74
350	355.6	-	555	38	490	100	398	8	12	20	450	4	16	M30	33	47.2
350	-	368	555	38	490	100	398	8	12	20	450	4	16	M30	33	44.22
400	406.4	-	620	40	550	110	452	8.8	12	20	505	4	16	M33	36	61.69
400	-	419	620	40	550	110	452	8.8	12	20	505	4	16	M33	36	57.88
500	508.0	-	730	44	660	125	558	10	12	20	615	4	20	M33	36	89.57
600	610.0	-	845	46	770	125	660	11	12	20	720	5	20	M36	39	114.96
700	711.0	-	960	46	875	125	760	12.5	12	20	820	5	24	M39	42	139.5
800	813.0	-	1085	50	990	135	865	14.2	12	22	930	5	24	M45	48	188.71
900	914.0	-	1185	54	1090	145	968	16	12	24	1030	5	28	M45	48	231.48
1000	1016.0	-	1320	58	1210	155	1070	17.5	16	24	1140	5	28	M52	56	303.52

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