Din Flange

Specification

Standard	Din Flange
Material Available	Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Nickel Alloy, Monel, Inconel, Hastelloy, Copper Nickel, Titanium, Mild Steel, etc.
Custom design	As per your drawing
Size range	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Pressure Rating	Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Types	Threaded, Plate, Screwed, Forged.
Supporting material	Gasket, Ring Joint, Flange Bolts
Production technique	Forged, machined and Heat treated
Pressure Class	PN 6 TO PN 100
Coating/Surface Treatment:	Zinc Plated, Anti-rust Paint, Oil Black Paint, Yellow Transparent, Cold and Hot Dip Galvanized.
Origin	Indian / USA / Korean / West Europe / Japan
European/African/Russian Standard Flanges	Available
Test	Direct-reading Spectrograph, X-ray detector, UItrasonic flaw detector, Magnetic particle detector, Hydrostatic testing machine, etc.
Gaskets Types	Full Face, Metallic Ring, Flat Ring Gasket
Marking Standard	Name of Manufacturer
	Schedule
	Type of Flange Facing
	Pressure Class
	Nominal Pipe Size, etc
Test Certificates	EN 10204/3.1B, NACE MR0103, NACE MR0175
	Raw Materials Certificate
	100% Radiography Test Report
	Third Party Inspection Report, etc

Flange Type Available

Din Flanges Pressure Temperature Rating

Flange Nominal Diameter	Pressure Rating (PN)
**Nominal BSP Pipe Size	PN6	PN10	PN16	PN25	PN40
DN 10	75	90	90	90	90	O.D.
3/8″	50	60	60	60	60	PCD (bolt circle)
	4 x 11	4 x 14	4 x 14	4 x 14	4 x 14	# of holes x diam. of holes
DN 15	80	95	95	95	95	O.D.
1/2″	55	65	65	65	65	PCD (bolt circle)
	4 x 11	4 x 14	4 x 14	4 x 14	4 x 14	# of holes x diam. of holes
DN 20	90	105	105	105	105	O.D.
3/4″	65	75	75	75	75	PCD (bolt circle)
	4 x 11	4 x 14	4 x 14	4 x 14	4 x 14	# of holes x diam. of holes
DN 25	100	115	115	115	115	O.D.
1″	75	85	85	85	85	PCD (bolt circle)
	4 x 11	4 x 14	4 x 14	4 x 14	4 x 14	# of holes x diam. of holes
DN 32	120	140	140	140	140	O.D.
1 1/4″	90	100	100	100	100	PCD (bolt circle)
	4 x 14	4 x 18	4 x 18	4 x 18	4 x 18	# of holes x diam. of holes
DN 40	130	150	150	150	150	O.D.
1 1/2″	100	110	110	110	110	PCD (bolt circle)
	4 x 14	4 x 18	4 x 18	4 x 18	4 x 18	# of holes x diam. of holes
DN 50	140	165	165	165	165	O.D.
2″	110	125	125	125	125	PCD (bolt circle)
	4 x 14	4 x 18	4 x 18	4 x 18	4 x 18	# of holes x diam. of holes
DN 65	160	185	185	185	185	O.D.
2 1/2″	130	145	145	145	145	PCD (bolt circle)
	4 x 14	4 x 18	4 x 18	8 x 18	8 x 18	# of holes x diam. of holes
DN 80	190	200	200	200	200	O.D.
3″	150	160	160	160	160	PCD (bolt circle)
	4 x 18	8 x 18	8 x 18	8 x 18	8 x 18	# of holes x diam. of holes
DN 100	210	220	220	235	235	O.D.
4″	170	180	180	190	190	PCD (bolt circle)
	4 x 18	8 x 18	8 x 18	8 x 22	8 x 22	# of holes x diam. of holes
DN 125	240	250	250	270	270	O.D.
5″	200	210	210	220	220	PCD (bolt circle)
	8 x 18	8 x 18	8 x 18	8 x 26	8 x 26	# of holes x diam. of holes
DN 150	265	285	285	300	300	O.D.
6″	225	240	240	250	250	PCD (bolt circle)
	8 x 18	8 x 22	8 x 22	8 x 26	8 x 26	# of holes x diam. of holes
DN 175		315	315	330	350	O.D.
7″		270	270	280	295	PCD (bolt circle)
		8 x 22	8 x 22	12 x 26	12 x 30	# of holes x diam. of holes
DN 200	320	340	340	360	375	O.D.
8″	280	295	295	310	320	PCD (bolt circle)
	8 x 18	8 x 22	12 x 22	12 x 26	12 x 30	# of holes x diam. of holes
DN 250	375	395	405	425	450	O.D.
10″	335	350	355	370	385	PCD (bolt circle)
	12 x 18	12 x 22	12 x 26	12 x 30	12 x 33	# of holes x diam. of holes
DN 300	440	445	460	485	515	O.D.
12″	395	400	410	430	450	PCD (bolt circle)
	12 x 22	12 x 22	12 x 26	16 x 30	16 x 33	# of holes x diam. of holes
DN 350	490	505	520	555	580	O.D.
14″	445	460	470	490	510	PCD (bolt circle)
	12 x 22	16 x 22	16 x 26	16 x 33	16 x 36	# of holes x diam. of holes
DN 400	540	565	580	620	660	O.D.
16″	495	515	525	550	585	PCD (bolt circle)
	16 x 22	16 x 26	16 x 30	16 x 36	16 x 39	# of holes x diam. of holes
DN 500	645	670	715	730	755	O.D.
20″	600	620	650	660	670	PCD (bolt circle)
	20 x 22	20 x 26	20 x 33	20 x 36	20 x 42	# of holes x diam. of holes
DN 600	755	780	840	845		O.D.
24″	705	725	770	770		PCD (bolt circle)
	20 x 24	20 x 27	20 x 33	20 x 36		# of holes x diam. of holes

Din 2527 Flange Dimensions

Rated Diameter	Flange			Screws			Weight (7,85 Kg/dm3)
	D	b	k	Number	Thread	d2	Shape B
	D	b	k	Number	Thread	d2	Kg
15	80	12	55	4	M 10	11	0.44
20	90	14	65				0.66
25	100	14	75				0.83
32	120	14	90		M 12	14	1.18
40	130	14	100				1.39
50	140	14	110				1.63
65	160	14	130				2.15
80	190	16	150		M 16	18	3.44
100	210	16	170				4.22
125	240	18	200	8			6.11
150	265	18	225				7.51
200	320	20	280				12.31
250	375	22	335	12			18.54
300	440	22	395		M 20	22	25.46
350	490	22	445				31.77
400	540	22	495	16			38.49
500	645	24	600	20			60.10

Din 2527 Pn10 Blind Flange Dimension Chart

Rated Diameter	Flange			Screws			Weight (7,85 Kg/dm3)
	D	b	k	Number	Thread	d2	Shape B
	D	b	k	Number	Thread	d2	Kg
15	95	14	65	4	M 12	14	0,72
20	105	16	75				1,01
25	115	16	85				1,23
32	140	16	100		M 16	18	1,8
40	150	16	110				2,09
50	165	18	125				2,88
65	185	18	145				3,66
80	200	20	160				4,77
100	220	20	180	8			5,65
125	250	22	210				8,42
150	285	22	240		M 20	22	10,4
200	340	24	295				16,5
250	395	26	350	12			24
300	445	26	400	12			30,9
350	505	26	460	16			40,6
400	565	26	515	16	M 24	26	49,4
500	670	28	620	20	M 24	26	75

Din 2527 Pn16 Flange Dimensions

Rated Diameter	Flange			Screws			Weight (7,85 Kg/dm3)
	D	b	k	Number	Thread	d2	Shape B
	D	b	k	Number	Thread	d2	Kg
15	95	14	65	4	M 12	14	0,72
20	105	16	75				1,01
25	115	16	85				1,23
32	140	16	100		M 16	18	1,8
40	150	16	110				2,09
50	165	18	125				2,88
65	185	18	145				3,66
80	200	20	160	8			4,77
100	220	20	180				5,65
125	250	22	210				8,42
150	285	22	240		M 20	22	10,4
200	340	24	295	12	M 20	22	16,1
250	405	26	355		M 24	26	24,9
300	460	28	410				35,1
350	520	30	470	16			47,8
400	580	32	525	16	M 27	30	63,5
500	715	36	650	20	M 30	33	102

Dimensions Of DIN 2642 PN10 Flange

Pipe			Flange					Screws			Weight (7,85 Kg/dm3)
Rated Diameter	d1		D	d6	b	k	e	Holes	Thread	d2	Kg
Rated Diameter	ISO Series 1	DIN Series 2	D	d6	b	k	e	Holes	Thread	d2	Kg
15	–	20	95	22	14	65	3	4	M 12	14	0,689
15	21,3	–	95	24	14	65	3	4	M 12	14	0,689
20	–	25	105	28	14	75	3	4	M 12	14	0,806
20	26,9	–	105	30	14	75	3	4	M 12	14	0,806
25	–	30	115	33	16	85	4	4	M 12	14	1,11
25	33,7	–	115	36	16	85	4	4	M 12	14	1,11
32	–	38	140	42	16	100	4	4	M 16	18	1,64
32	42,4	–	140	46	16	100	4	4	M 16	18	1,64
40	–	44,5	150	50	16	110	4	4	M 16	18	1,86
40	48,3	–	150	54	16	110	4	4	M 16	18	1,86
50	–	57	165	62	16	125	5	4	M 16	18	2,2
50	60,3	–	165	65	16	125	5	4	M 16	18	2,2
65	76,1	–	185	81	16	145	5	4	M 16	18	2,62
80	88,9	–	200	94	18	160	5	8	M 16	18	3,32
100	–	108	220	113	18	180	5	8	M 16	18	3,67
100	114,3	–	220	119	18	180	5	8	M 16	18	3,67
125	–	133	250	138	18	210	5	8	M 16	18	4,54
125	139,7	–	250	145	18	210	5	8	M 16	18	4,54
150	–	159	285	164	18	240	5	8	M 20	22	5,6
150	168,3	–	285	173	18	240	5	8	M 20	22	5,6
200	219,1	–	340	225	20	295	5	8	M 20	22	7,46
250	–	267	395	273	22	350	5	12	M 20	22	10,3
250	273	–	395	279	22	350	5	12	M 20	22	10,3
300	323,9	–	445	329	26	400	5	12	M 20	22	14
350	355,6	–	505	362	28	460	6	16	M 20	22	18,5
350	–	368	505	374	28	460	6	16	M 20	22	18,5
400	406,4	–	565	413	32	515	6	16	M 24	26	25
400	–	419	565	426	32	515	6	16	M 24	26	25
(450)	457	–	615	467	38	565	6	20	M 24	26	30,6
500	508	–	670	517	38	620	6	20	M 24	26	37
600	610	–	780	618	44	725	7	20	M 27	30	56,3
700	711	–	895	721	50	840	7	24	M 27	30	80,4
800	813	–	1015	824	56	950	7	24	M 30	33	113,2

Din 2566 Pn16 Threaded Flange Dimension Table

Rated Diameter		Flange					Neck	Raised face		Screws			Weight (7,85 Kg/dm3)
Rated Diameter	d1	Thread	D	b	k	h1	d3	d4	f	Holes	Thread	d2	Kg
15	21,3	R 1/2	95	14	65	20	35	45	2	4	M 12	14	0,613
20	26,9	R 3/4	105	16	75	24	45	58	2	4	M 12	14	0,91
25	33,7	R 1	115	16	85	24	52	68	2	4	M 12	14	1,1
32	42,4	R 1 1/4	140	16	100	26	60	78	2	4	M 16	18	1,6
40	48,3	R 1 1/2	150	16	110	26	70	88	3	4	M 16	18	1,78
50	60,3	R 2	165	18	125	28	85	102	3	4	M 16	18	2,43
65	76,1	R 2 1/2	185	18	145	32	105	122	3	4	M 16	18	3,18
80	88,9	R 3	200	20	160	34	118	138	3	8	M 16	18	4,12
100	114,3	R 4	220	20	180	38	140	158	3	8	M 16	18	4,47
125	139,7	R 5	250	22	210	40	168	188	3	8	M 16	18	6,13
150	165,1	R 6	285	22	240	44	195	212	3	8	M 20	22	7,92

Din 2565 Pn 6 Threaded Flange Dimension Standard

Rated Diameter		Flange					Neck	Raised face		Screws			Weight (7,85 Kg/dm3)
Rated Diameter	d1	Thread	D	b	k	h1	d3	d4	f	Holes	Thread	d2	Kg
15	21,3	R 1/2	80	12	55	20	30	40	2	4	M 10	11	0,373
20	26,9	R 3/4	90	14	65	24	40	50	2	4	M 10	11	0,59
25	33,7	R 1	100	14	75	24	50	60	2	4	M 10	11	0,743
32	42,4	R 1 1/4	120	14	90	26	60	70	2	4	M 12	14	1,05
40	48,3	R 1 1/2	130	14	100	26	70	80	3	4	M 12	14	1,2
50	60,3	R 2	140	14	110	28	80	90	3	4	M 12	14	1,37
65	76,1	R 2 1/2	160	14	130	32	100	110	3	4	M 12	14	1,92
80	88,9	R 3	190	16	150	34	110	128	3	4	M 16	18	2,82
100	114,3	R 4	210	16	170	38	130	148	3	4	M 16	18	3,19
125	139,7	R 5	240	18	200	40	160	178	3	8	M 16	18	4,47
150	165,1	R 6	265	18	225	44	185	202	3	8	M 16	18	5,3

Din 2631 Pn6 Welding Neck Flange Dimensions Schedule

Pipe			Flange				Neck				Raised face		Screws			Weight
Pipe			Flange				Neck				Raised face		Screws			(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	D	b	k	h1	d3	s	r	h2	d4	f	Holes	Thread	d2	Kg
15	–	20	80	12	55	30	28	2	4	6	40	2	4	M 10	11	0,392
15	21,3	–	80	12	55	30	30	2	4	6	40	2	4	M 10	11	0,392
20	–	25	90	14	65	32	35	2,3	4	6	50	2	4	M 10	11	0,592
20	26,9	–	90	14	65	32	38	2,3	4	6	50	2	4	M 10	11	0,592
25	–	30	100	14	75	35	40	2,6	4	6	60	2	4	M 10	11	0,747
25	33,7	–	100	14	75	35	42	2,6	4	6	60	2	4	M 10	11	0,747
32	–	38	120	14	90	35	50	2,6	6	6	70	2	4	M 12	14	1,05
32	42,4	–	120	14	90	35	55	2,6	6	6	70	2	4	M 12	14	1,05
40	–	44,5	130	14	100	38	58	2,6	6	7	80	3	4	M 12	14	1,18
40	48,3	–	130	14	100	38	62	2,6	6	7	80	3	4	M 12	14	1,18
50	–	57	140	14	110	38	70	2,9	6	8	90	3	4	M 12	14	1,34
50	60,3	–	140	14	110	38	74	2,9	6	8	90	3	4	M 12	14	1,34
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
100	114,3		210	16	170	45	130	3,6	8	10	148	3	4	M 16	18	3,24
125	–	133	240	18	200	48	148	4	8	10	178	3	8	M 16	18	4,49
125	139,7	–	240	18	200	48	155	4	8	10	178	3	8	M 16	18	4,49
150	–	159	265	18	225	48	172	4,5	10	12	202	3	8	M 16	18	5,15
150	168,3	–	265	18	225	48	184	4,5	10	12	202	3	8	M 16	18	5,15
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
250	273	–	375	22	335	60	290	6,3	12	15	312	3	12	M 16	18	10,8
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
350	–	368	490	22	445	62	385	7,1	12	15	415	4	12	M 20	22	16,7
400	406,4	–	540	22	495	65	438	7,1	12	15	465	4	16	M 20	22	21,2
400	–	419	540	22	495	65	438	7,1	12	15	465	4	16	M 20	22	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

Din 2633 Flange Dimension Table

DN	d1		D	d6	b	k	e	No. of holes	d2	KG
DN	ISO	DIN	D	d6	b	k	e	No. of holes	d2	KG
10	–	14	90	16	16	60	5	4	14	0.7
	17.2	–	90	19	16	60	5	4	14	0.69
15	–	20	95	22	16	65	5	4	14	0.77
	21.3	–	95	24	16	65	5	4	14	0.76
20	–	25	105	28	16	75	5	4	14	0.93
	26.9	–	105	30	16	75	5	4	14	0.92
25	–	30	115	33	18	85	6	4	14	1.26
	33.7	–	115	36	18	85	6	4	14	1.24
32	–	38	140	42	18	100	6	4	18	1.84
	42.4	–	140	46	18	100	6	4	18	1.8
40	–	44.5	150	50	18	110	6	4	18	2.08
	48.3	–	150	54	18	110	6	4	18	2.03
50	–	57	165	62	20	125	6	4	18	2.72
	60.3	–	165	65	20	125	6	4	18	2.68
65	76.1	–	165	81	20	145	6	8	18	3.09
80	88.9	–	200	94	22	160	6	8	18	3.88
100	–	108	235	113	22	190	6	8	22	5.23
	114.3	–	235	119	22	190	6	8	22	5.04
125	–	133	270	138	24	220	6	8	26	7.17
	139.7	–	270	145	24	220	6	8	26	6.88
150	–	159	300	164	24	250	6	8	26	8.54
	168.3	–	300	173	24	250	6	8	26	8.09
200	219.1	–	375	225	30	320	8	12	30	14.65
250	–	267	450	273	36	385	8	12	33	25.5
	273	–	450	279	36	385	8	12	33	24.77
300	323.9	–	515	329	40	450	8	16	33	34.42
350	355.8	–	580	362	46	510	8	16	36	52.36
	–	363	580	374	46	510	8	16	36	49.85
400	406.4	–	660	413	50	585	8	16	39	74.2
	–	419	660	426	50	585	8	16	39	70.84

Din 2653 Flange Dimension Standard

DN	d1	D	d6	b	k	e	No. of holes	Thread	d2	d4	d5	h3	KG Flange	KG Ring
ISO	DIN	D	d6	b	k	e		Thread					KG Flange
10	–	14	90	16	14	60	5	4	M12	14	40	14.5	10	0.599	0.087
	17.2	–	90	19	14	60	5	4	M12	14	40	17.7	10	0.599	0.087
15	–	20	95	22	14	65	5	4	M12	14	45	21	10	0.689	0.105
	21.3	–	95	24	14	65	5	4	M12	14	45	22	10	0.689	0.105
20	–	25	105	28	14	75	5	4	M12	14	58	26	12	0.806	0.203
	26.9	–	105	30	14	75	5	4	M12	14	58	27.6	12	0.806	0.203
25	–	30	115	33	16	85	6	4	M12	14	68	31	12	0.110	0.276
	33.7	–	115	36	16	85	6	4	M12	14	68	34.4	12	0.110	0.276
32	–	38	140	42	16	100	6	4	M16	18	78	39	12	1.640	0.343
	42.4	–	140	46	16	100	6	4	M16	18	78	43.1	12	1.640	0.343
40	–	44.5	150	50	16	110	6	4	M16	18	88	45.5	12	1.860	0.426
	48.3	–	150	54	16	110	6	4	M16	18	88	49	12	1.860	0.426
50	–	57	165	62	16	125	6	4	M16	18	102	58.1	14	2.200	0.618
	60.3	—	165	65	16	125	6	4	M16	18	102	61.1	14	2.200	0.618
65	76.1	–	185	81	16	145	6	4	M16	18	122	77.1	14	2.620	0.786
80	88.9	—	200	94	18	160	6	4	M16	18	138	90.3	16	3.320	1.100
100	–	108	220	113	18	180	6	4	M16	18	158	109.6	16	3.670	1.310
	114.3	–	220	119	18	180	6	4	M16	18	158	115.9	16	3.670	1.310
125	–	133	250	138	18	210	6	8	M16	18	188	134.8	18	4.540	1.960
	139.7	–	250	145	18	210	6	8	M16	18	188	141.6	18	4.540	1.960
150	–	159	285	164	18	240	6	8	M20	22	212	161.1	18	5.600	2.180
	168.3	–	285	173	18	240	6	8	M20	22	212	170.5	18	5.600	2.180
200	219.1	–	340	225	20	295	8	8	M20	22	268	221.8	20	7.460	3.100
250	–	267	395	273	22	350	8	8	M20	22	320	270.2	22	10.30	4.220
	273	–	395	279	22	350	8	12	M20	22	320	276.2	22	10.30	4.220
300	323.9	–	445	329	26	400	8	12	M20	22	370	327.6	22	14.00	4.850
350	355.6	–	505	362	28	460	8	12	M20	22	430	359.7	22	18.50	6.710
	–	368	505	374	28	460	8	12	M20	22	430	372.2	22	18.50	6.710
400	406.4	–	565	413	32	515	8	16	M24	26	482	411	24	25.00	8.280
	–	419	565	426	32	515	8	16	M24	26	482	423.7	24	25.00	8.280
(450)	457	–	615	467	38	565	8	16	M24	26	532	462.5	24	30.60	9.300
500	508	–	670	517	38	620	8	20	M24	26	585	513.6	26	37.00	11.50

Application

Food & Beverage
Paper Industry
Pharmaceutical
Hospital Equipment
Textiles
Dairy
Aircraft
Chemicals
Others Parts in Machinery

Testing

Hydrostatic Test
Macro Test
Ultra Sonic Test (UT)
Micro Test
Hardness Test
Radiography Test
Pitting Resistance Test
PMI Testing
Mechanical Testing
X-ray detector

Packing

Wooden Boxes
Shrink-Wrapped
Carton Boxes
Wooden Crates
Wooden Pallets

Din Flange

Specification

Flange Type Available

Slip on

Weldo

Weld Neck

Tongue Groove

Spectacle Blind

Spade

Threaded Screwed

Square

Ring Type Joint

Ring Spacer

SocketWeld

Reducing

Raised Face

Puddle

Plate

Orifice

Nippo

Male Female

Long Weld Neck

Lap Joint

Din Flanges Pressure Temperature Rating

Din 2527 Flange Dimensions

Din 2527 Pn10 Blind Flange Dimension Chart

Din 2527 Pn16 Flange Dimensions

Dimensions Of DIN 2642 PN10 Flange

Din 2566 Pn16 Threaded Flange Dimension Table

Din 2565 Pn 6 Threaded Flange Dimension Standard

Din 2631 Pn6 Welding Neck Flange Dimensions Schedule

Din 2633 Flange Dimension Table

Din 2653 Flange Dimension Standard

Application

Testing

Packing

Stainless Steel Flanges

Materials

For Business Dealing:

Address

Email