Weld Neck Flanges A/B

UNS N08904 Weld Neck Flanges A/B, ASME SA182 Duplex 2205 Weld Neck Flanges A/B, DIN 1.4301 Weld Neck Flanges A/B, UNS S30400 Weld Neck Flanges A/B, 2507 Super Duplex Weld Neck Flanges A/B.

About Weld Neck Flanges A/B

NISSAN STEEL Manufacturer supplier of SS, High nickel and Duplex / Super duplex Flanges, for enquiry contact on email: sales@nissansteel.com, export@nissansteel.com, nissansteels@gmail.com

Inconel 625 Weld Neck Flanges A/B Exporter, ASME SA182 Duplex 2205 Weld Neck Flanges A/B Stockist, WRN 2.4856 Weld Neck Flanges A/B Manufacturer.

Specification of Weld Neck Flanges A/B

Standards	ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
Size Chart	1/2" (15 NB) to 48" (1200NB)
Pressure Calculation in DIN	6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Spectacle Blind Flange
Pressure Rating ANSI	Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Spectacle Blind Flange
UNI	6Bar 10Bar 16Bar 25Bar 40Bar Spectacle Blind Flange
JIS	5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Spectacle Blind Flange
Coating	Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Spectacle Blind Flange
EN	6Bar 10Bar 16Bar 25Bar 40Bar Spectacle Blind Flange
Most common types of Spectacle Blind Flange	Forged / Threaded / Screwed / Plate
Connect Type/ Flange Face Type	Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove

Dimensions Standard Of Weld Neck Flanges A/B

Welding Neck Flange Bores
Nominal Pipe Size(inches)	Outside Diameter(inches)	Inside Diameter (inches)
Light Wall 1)	Schedule 20	Schedule 30	Standard Wall	Schedule 40	Schedule 60
1/2	0.840	0.674	-	-	0.622	0.622	-
3/4	1.050	0.884	-	-	0.824	0.824	-
1	1.315	1.097	-	-	1.049	1.049	-
1 1/4	1.660	1.442	-	-	1.380	1.380	-
1 1/2	1.900	1.682	-	-	1.610	1.610	-
2	2.375	2.157	-	-	2.067	2.067	-
2 1/2	2.875	2.635	-	-	2.469	2.469	-
3	3.500	3.260	-	-	3.068	3.068	-
3 1/2	4.000	3.760	-	-	3.548	3.548	-
4	4.500	4.260	-	-	4.026	4.026	-
5	5.563	5.295	-	-	5.047	5.047	-
6	6.625	6.357	-	-	6.065	6.065	-
8	8.625	8.329	8.125	8.071	7.981	7.981	7.813
10	10.750	10.420	10.250	10.136	10.020	10.020	9.750
12	12.750	12.390	12.250	12.090	12.000	11.938	11.626
14	14.000	13.500	13.376	13.250	13.250	13.124	12.812
16	16.000	15.500	15.376	15.250	15.250	15.000	14.688
18	18.000	17.500	17.376	17.124	17.250	16.876	16.500
20	20.000	19.500	19.250	19.000	19.250	18.812	18.376
24	24.000	23.500	23.250	22.876	23.250	22.624	22.062
30	30.000	29.376	29.000	28.750	29.250	-	-
36	36.000	35.376	35.000	34.750	35.250	34.500	-
42	42.000	-	-	-	41.250	-	-
48	48.000	-	-	-	47.250	-	-

Welding Neck Flange Bores
Nominal Pipe Size(inches)	Outside Diameter(inches)	Inside Diameter (inches)
Extra Strong	Schedule 80	Schedule 100	Schedule 120	Schedule 140	Schedule 160	Double Extra Strong
1/2	0.840	0.546	0.546	-	-	-	0.464	0.252
3/4	1.050	0.742	0.742	-	-	-	0.612	0.434
1	1.315	0.957	0.957	-	-	-	0.815	0.599
1 1/4	1.660	1.278	1.278	-	-	-	1.160	0.896
1 1/2	1.900	1.500	1.500	-	-	-	1.338	1.100
2	2.375	1.939	1.939	-	-	-	1.687	1.503
2 1/2	2.875	2.323	2.323	-	-	-	2.125	1.771
3	3.500	2.900	2.900	-	-	-	2.624	2.300
3 1/2	4.000	3.364	3.364	-	-	-	-	2.728
4	4.500	3.826	3.826	-	3.624	-	3.438	3.152
5	5.563	4.813	4.813	-	4.563	-	4.313	4.063
6	6.625	5.761	5.761	-	5.501	-	5.187	4.897
8	8.625	7.625	7.625	7.437	7.187	7.001	6.813	6.875
10	10.750	9.750	9.562	9.312	9.062	8.750	8.500	8.750
12	12.750	11.750	11.374	11.062	10.750	10.500	10.126	10.750
14	14.000	13.000	12.500	12.124	11.814	11.500	11.188	-
16	16.000	15.000	14.312	13.938	13.564	13.124	12.812	-
18	18.000	17.000	16.124	15.688	15.250	14.876	14.438	-
20	20.000	19.000	17.938	17.438	17.000	16.500	16.062	-
24	24.000	23.000	21.562	20.938	20.376	19.876	19.312	-
30	30.000	29.000	-	-	-	-	-	-
36	36.000	35.000	-	-	-	-	-	-
42	42.000	41.000	-	-	-	-	-	-
48	48.000	47.000	-	-	-	-	-	-

Size Of Weld Neck Flanges A/B

Normal Sizes	Outside Daimeter (O.D.)	Schedule 10	Schedule 20	Schedule 30	Schedule 40	Schedule 60	Schedule 80	Schedule 100	Schedule 120	Schedule 140	Schedule 160
½	0.84	0.083	...	...	0.109	...	0.147	...	...	...	0.188
¾	1.05	0.083	...	...	0.113	...	0.154	...	...	...	0.219
1	1.315	0.109	...	...	0.133	...	0.179	...	...	...	0.25
1 ¼	1.66	0.109	...	...	0.14	...	0.191	...	...	...	0.25
1 ½	1.9	0.109	...	...	0.145	...	0.2	...	...	...	0.281
2	2.375	0.109	...	...	0.154	...	0.218	...	...	...	0.344
2 ½	2.875	0.12	...	...	0.203	...	0.276	...	...	...	0.375
3	3.5	0.12	...	...	0.216	...	0.3	...	...	...	0.438
3 ½	4	0.12	...	...	0.226	...	0.318	...	...	...	...
4	4.5	0.12	...	...	0.237	...	0.337	...	0.438	...	0.531
5	5.563	0.134	...	...	0.258	...	0.375	...	0.5	...	0.625
6	6.625	0.134	...	...	0.28	...	0.432	...	0.562	...	0.719
8	8.625	0.148	0.25	0.277	0.322	0.406	0.5	0.594	0.719	0.812	0.906
10	10.75	0.165	0.25	0.307	0.365	0.5	0.594	0.719	0.844	1	1.125
12	12.75	0.18	0.25	0.33	0.406	0.562	0.688	0.844	1	1.125	1.312
14	14	0.25	0.312	0.375	0.438	0.594	0.75	0.938	1.094	1.25	1.406
16	16	0.25	0.312	0.375	0.5	0.656	0.844	1.031	1.219	1.438	1.594
18	18	0.25	0.312	0.438	0.562	0.75	0.938	1.156	1.375	1.562	1.781
20	20	0.25	0.375	0.5	0.594	0.812	1.031	1.281	1.5	1.75	1.969
22	22	0.25	...	...	...	...	...	...	....	....	....
24	24	0.25	0.375	0.562	0.688	0.969	1.219	1.531	1.812	2.062	2.344
26	26	....	....	....	....	....	....	....	....	....	....
30	30	0.312	0.5	0.625	....	....	....	....	....	....	....
36	36	0.312	0.5	0.625	0.75	....	....	....	....	....	....
40	40	....	....	....	....	....	....	....	....	....	....
42	42	……..	……..	……..	……..	……..	……..	……..	……..	……..	……..
48	48	……..	……..	……..	……..	……..	……..	……..	……..	……..	……..

Weight Chart Of Weld Neck Flanges A/B

Nominal Pipe Size	Diameter of Pipe		Flange I.D	No. of holes	Flange Dia	Thk of Flange	Dia of Bolt Circle	Dia of Bolt Holes	Approx.Weight
DN	ISO	DIN	D5	BN	D	b	K	d2	KG/PCS
10	-	14	14.5	4	90	16	60	14	0.7
	17.2	-	17.7	4	90	16	60	14	0.69
15	-	20	21	4	95	16	65	14	0.77
	21.3	-	22	4	95	16	65	14	0.77
20	-	25	26	4	105	18	75	14	1.06
	26.9	-	27.6	4	105	18	75	14	1.05
25	-	30	31	4	115	18	85	14	1.27
	33.7	-	34.4	4	115	18	85	14	1.25
32	-	38	39	4	140	18	100	18	1.86
	42.4	-	43.1	4	140	18	100	18	1.83
40	-	44.5	45.5	4	150	18	110	18	2.12
	48.3	-	49	4	150	18	110	18	2.09
50	-	57	58.1	4	165	20	125	18	2.78
	60.3	-	61.1	4	165	20	125	18	2.74
65	76.1	-	77.1	8	185	22	145	18	3.48
80	88.9	-	90.3	8	200	24	160	18	4.33
100	-	108	109.6	8	235	24	190	22	5.82
	114.3	-	115.9	8	235	24	190	22	5.61
125	-	133	134.8	8	270	26	220	26	7.91
	139.7	-	141.6	8	270	26	220	26	7.6
150	-	159	161.1	8	300	28	250	26	10.12
	168.3	-	170.5	8	300	28	250	26	9.58
175	193.7	-	196.1	12	350	32	295	30	14.45
200	219.1	-	221.8	12	375	34	320	30	16.9
250	-	267	270.2	12	450	38	385	33	27.28
	273	-	276.2	12	450	38	385	33	26.51
300	323.9	-	327.6	16	515	42	450	33	36.38
350	355.6	-	359.7	16	580	46	510	36	52.83
	-	368	372.2	16	580	46	510	36	50.24
400	406.4	-	411	16	660	50	585	39	74.71
	-	419	423.7	16	660	50	585	39	71.44
500	508	-	513.6	20	755	52	670	42	86.87
600	610	-	616.5	20	890	54	795	48	121.84
700	711	-	716	24	995	58	900	48	150.93
800	813	-	818	24	1140	64	1030	56	219.08
900	914	-	920	28	1250	70	1140	56	271.16
1000	1016	-	1022	28	1360	78	1250	56	344.95

Pressure Rating Of Weld Neck Flanges A/B

Temperature (°C)	Class 150	Class 300	Class 400	Class 600	Class 900	Class 1500	Class 2500
-29 - 38	19.8	51.7	68.9	103.4	155	259	431
50	19.5	51.7	68.9	103.4	155	259	431
100	17.7	51.5	68.7	103.0	155	258	429
150	15.8	50.2	66.8	100.3	151	251	418
200	13.8	48.6	64.8	97.2	146	243	405
250	12.1	46.3	61.7	92.7	139	232	386
300	10.2	42.9	57.0	85.7	129	214	357
325	9.3	41.4	55.0	82.6	124	207	344
350	8.4	40.0	53.4	80.0	120	200	334
375	7.4	37.8	50.4	75.7	114	189	315
400	6.5	34.7	46.3	69.4	104	174	290
425	5.5	28.8	38.4	57.5	86.3	144	240
450	4.6	23.0	30.7	46.0	69.0	115	192
475	3.7	17.1	22.8	34.2	51.3	85.4	142
500	2.8	11.6	15.4	23.2	34.7	57.9	96.5
538	1.4	5.9	7.9	11.8	17.7	29.5	49.2

Price Of Weld Neck Flanges A/B

Stainless Steel Flanges	USD $2.05 - $10.06 / Piece (FOB Price) on request
High Nickel Alloys Flanges	USD $8.10 - $20.20 / Piece (FOB Price) on request
Duplex & Super Duplex Flange	USD $10.20 - $35.50 / Piece (FOB Price) on request
Cupro Nickel Flanges	USD $5.19 - $10.48 / Piece (FOB Price) on request
Carbon Steel Flanges	USD $2.08 - $7.10 / Piece (FOB Price) on request

Application Of Weld Neck Flanges A/B

We make sure that our every product is made of high quality raw material. We thoroughly test each and every product before dispatching it to our customers.

Testing Of Weld Neck Flanges A/B

We known for its accurate and perfect dimensions. We thoroughly test all our products before shipping them to the customers. We carry out destructive as well as non-destructive tests on all our products.

Packing Of Weld Neck Flanges A/B

We uses the most safest and the most effective ways of packaging for all types of deliveries. We pack our goods in various ways such as:

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