Spectacle Blind Flanges

DIN 1.4301 Spectacle Blind Flanges , UNS S30400 Spectacle Blind Flanges , Hastelloy C276 Spectacle Blind Flanges , UNS N08904 Spectacle Blind Flanges , ASME SA182 SS 316 Spectacle Blind Flanges.

About Spectacle Blind Flanges

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 Spectacle Blind Flanges Exporter, ASME SA182 Duplex 2205 Spectacle Blind Flanges Stockist, UNS N06625 Spectacle Blind Flanges Exporter.

Specification of Spectacle Blind Flanges

Standards	ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Size Chart	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
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 Spectacle Blind Flanges

Class 150 Spectacle Blind Flange Dimensions

Size in Inch	Size in MM	Internal Dia.	Outer Dia.	Center to Center	Thick.	Web Width	Web Thick.	Hole Dia	Spec. Blind Weight in Kg	Paddle Blank Weight in kg	Paddle Spacer Blank Weight in kg
1/2	15	16	45	60	3	38	2	15.875	0.07	0.03	0.03
3/4	20	21	54	70	3	38	2	15.875	0.1	0.05	0.04
1	25	27	64	80	3	38	2	15.875	0.14	0.07	0.06
1 1/4	32	42	73	90	6.4	38	4	15.875	0.35	0.21	0.14
1 1/2	40	48	83	100	6.4	38	4	15.875	0.46	0.27	0.18
2	50	61	102	120	6.4	51	4	19.05	0.68	0.41	0.26
2 1/2	65	73	107	140	6.4	51	4	19.05	0.7	0.46	0.24
3	80	89	133	150	6.4	64	4	19.05	1.1	0.71	0.39
3 1/2	90	102	159	175	9.7	64	5	19.05	2.44	1.54	0.9
4	100	114	172	190	9.7	64	5	19.05	2.81	1.8	1.01
5	130	141	194	215	9.7	76	5	22.225	3.37	2.29	1.08
6	150	168	219	240	12.7	76	7	22.225	5.39	3.82	1.57
8	200	219	276	300	12.7	76	10	22.225	8.32	6.07	2.25
10	250	273	337	360	15.7	102	12	25.4	15.04	11.19	3.84
12	300	324	406	430	19.1	102	15	25.4	26.95	19.77	7.18
14	350	356	448	475	19.1	108	15	28.575	32.94	24.07	8.87
16	400	406	511	540	22.4	108	17	28.575	50.27	36.73	13.54
18	450	457	546	580	25.4	114	20	31.75	61.79	47.55	14.23
20	500	508	603	635	28.4	121	22	31.75	83.67	64.85	18.82
24	600	610	714	750	31.8	140	24	34.925	129.3	101.8	27.49

Class 300 Spectacle Blind Flange Dimensions

Size in Inch	Size in MM	Internal Dia.	Outer Dia.	Center to Center	Thick.	Web Width	Web Thick.	Hole Dia	Spec. Blind Weight in Kg	Paddle Blank Weight in kg	Paddle Spacer Blank Weight in kg
1/2	15	16	51	65	6.4	38	4	15.875	0.19	0.1	0.09
3/4	20	21	64	80	6.4	38	4	19.05	0.31	0.16	0.14
1	25	27	70	90	6.4	38	4	19.05	0.36	0.19	0.16
1 1/4	32	42	79	100	6.4	38	4	19.05	0.43	0.25	0.17
1 1/2	40	48	92	115	6.4	38	4	22.225	0.58	0.34	0.24
2	50	61	108	125	9.7	51	5	19.05	1.19	0.71	0.48
2 1/2	65	73	127	150	9.7	51	5	22.225	1.64	0.98	0.65
3	80	89	146	170	9.7	64	5	22.225	2.11	1.29	0.81
3 1/2	90	102	162	185	12.7	64	7	22.225	3.35	2.09	1.26
4	100	114	178	200	12.7	64	7	22.225	4.01	2.52	1.49
5	130	141	213	235	15.7	76	8	22.225	6.98	4.47	2.51
6	150	168	248	270	15.7	76	8	22.225	9.34	6.06	3.28
8	200	219	305	330	22.4	76	17	25.4	19.42	13.08	6.33
10	250	273	359	385	25.4	102	20	28.575	29.22	20.55	8.66
12	300	324	419	450	28.4	102	22	31.75	43.9	31.31	12.58
14	350	356	483	515	31.8	108	24	31.75	67.86	46.58	21.27
16	400	406	536	570	38.1	108	29	34.925	98.04	68.74	29.3
18	450	457	594	630	41.1	114	31	34.925	128.23	91.06	37.16
20	500	508	651	685	44.5	121	34	34.925	164.75	118.43	46.31
24	600	610	772	810	50.8	140	39	41.275	261.55	190.13	71.42

Class 600 Spectacle Blind Flange Dimensions

Size in Inch	Size in MM	Internal Dia.	Outer Dia.	Center to Center	Thick.	Web Width	Web Thick.	Hole Dia	Spec. Blind Weight in Kg	Paddle Blank Weight in kg	Paddle Spacer Blank Weight in kg
1/2	15	16	51	65	6.4	38	4	15.875	0.19	0.1	0.09
3/4	20	21	64	80	6.4	38	4	19.05	0.31	0.16	0.14
1	25	27	70	90	6.4	57	4	19.05	0.36	0.19	0.16
1 1/4	32	37	79	100	9.7	57	5	19.05	0.67	0.38	0.29
1 1/2	40	43	92	115	9.7	67	5	22.225	0.91	0.51	0.4
2	50	55	108	125	9.7	57	5	19.05	1.23	0.71	0.52
2 1/2	65	67	127	150	12.7	67	7	22.225	2.21	1.28	0.92
3	80	83	146	170	12.7	67	7	22.225	2.85	1.7	1.15
3 1/2	90	96	159	185	15.7	76	8	25.4	4.07	2.49	1.58
4	100	108	191	215	15.7	76	8	25.4	6.04	3.59	2.44
5	130	135	238	265	19.1	86	10	28.575	11.4	6.79	4.6
6	150	162	264	290	22.4	86	12	28.575	15.91	9.8	6.11
8	200	212	318	350	28.4	95	22	31.75	28.05	18.03	10.01
10	250	265	397	430	35.1	105	27	34.925	54	34.74	19.26
12	300	315	454	490	41.1	105	31	34.925	80.78	53.2	27.58
14	350	346	489	525	44.5	114	34	38.1	100.19	66.82	33.36
16	400	397	562	605	50.8	124	39	41.275	151.24	100.76	50.48
18	450	448	610	655	53.8	133	41	44.45	183.62	125.71	57.9
20	500	497	679	725	63.5	133	48	44.45	269.2	183.85	85.35
24	600	597	787	840	73.2	152	55	50.8	405.6	284.72	120.88

Class 900 Spectacle Blind Flange Dimensions

Size in Inch	Size in MM	Internal Dia.	Outer Dia.	Center to Center	Thick.	Web Width	Web Thick.	Hole Dia	Spec. Blind Weight in Kg	Paddle Blank Weight in kg	Paddle Spacer Blank Weight in kg
1/2	15	16	60	80	6.4	38	4	22.225	0.27	0.14	0.13
3/4	20	21	67	90	6.4	41	4	22.225	0.34	0.18	0.16
1	25	27	76	100	6.4	57	4	25.4	0.43	0.23	0.2
1 1/4	32	37	86	110	9.7	57	5	25.4	0.81	0.45	0.36
1 1/2	40	43	95	125	9.7	67	5	28.575	0.98	0.54	0.43
2	50	55	140	165	12.7	57	7	25.4	2.88	1.56	1.32
2 1/2	65	67	162	190	12.7	67	7	28.575	3.82	2.09	1.73
3	80	83	165	190	15.7	67	8	25.4	4.68	2.68	2
4	100	108	203	235	19.1	76	10	31.75	8.48	4.94	3.54
5	130	135	244	280	22.4	86	12	34.925	14.18	8.37	5.81
6	150	162	286	320	25.4	86	13	31.75	21.9	13.04	8.86
8	200	212	356	395	35.1	95	27	38.1	45.96	27.93	18.02
10	250	265	432	470	41.1	105	31	38.1	78.21	48.16	30.04
12	300	315	495	535	47.8	105	36	38.1	117.31	73.55	43.76
14	350	346	518	560	53.8	114	41	41.275	140.86	90.65	50.2
16	400	397	572	615	60.5	124	46	44.45	188.73	124.31	64.42
18	450	448	635	685	66.5	133	50	50.8	252.97	168.39	84.57
20	500	497	696	750	73.2	133	55	53.975	331.81	222.68	109.13
24	600	597	835	900	88.9	152	67	66.675	579.52	389.25	190.27

Class 1500 Spectacle Blind Flanges Dimensions

Size in Inch	Size in MM	Internal Dia.	Outer Dia.	Center to Center	Thick.	Web Width	Web Thick.	Hole Dia	Spec. Blind Weight in Kg	Paddle Blank Weight in kg	Paddle Spacer Blank Weight in kg
1/2	15	16	61	80	6.4	38	4	22.225	0.28	0.14	0.13
3/4	20	21	67	90	9.7	41	5	22.225	0.52	0.27	0.24
1	25	27	76	100	9.7	64	5	25.4	0.65	0.35	0.3
1 1/4	32	35	86	110	9.7	64	5	25.4	0.82	0.45	0.37
1 1/2	40	41	95	125	12.7	70	7	28.575	1.3	0.71	0.58
2	50	53	140	165	12.7	70	7	25.4	2.9	1.56	1.33
2 1/2	65	63	162	190	15.7	76	8	28.575	4.78	2.58	2.19
3	80	78	172	205	19.1	76	10	31.75	6.36	3.54	2.81
4	100	102	206	240	22.4	89	12	34.925	10.47	5.96	4.5
5	130	128	251	290	28.4	89	15	41.275	19.55	11.23	8.31
6	150	154	279	320	35.1	89	18	38.1	29.08	17.15	11.93
8	200	203	349	395	41.1	102	31	44.45	52.23	31.43	20.8
10	250	255	432	480	50.8	114	39	50.8	98.33	59.53	38.79
12	300	303	518	570	60.5	114	46	53.975	169.01	101.94	67.06
14	350	333	575	635	66.5	127	50	60.325	229.84	138.07	91.76
16	400	381	638	705	76.2	133	58	66.675	320.1	194.78	125.32
18	450	429	702	775	85.9	146	65	73.025	432.4	265.84	166.56
20	500	478	752	830	95.3	152	72	79.375	540.14	338.44	201.7
24	600	575	899	990	111.3	178	84	92.075	898.71	564.9	333.8

Class 2500 Spectacle Blind Flanges Dimensions

Size in Inch	Size in MM	Internal Dia.	Outer Dia.	Center to Center	Thick.	Web Width	Web Thick.	Hole Dia	Spec. Blind Weight in Kg	Paddle Blank Weight in kg	Paddle Spacer Blank Weight in kg
1/2	15	16	67	90	9.7	38	5	22.225	0.53	0.27	0.25
3/4	20	21	73	95	9.7	41	5	22.225	0.62	0.32	0.29
1	25	27	83	110	9.7	64	5	25.4	0.79	0.41	0.37
1 1/4	32	35	102	130	12.7	64	7	28.575	1.56	0.82	0.73
1 1/2	40	41	114	145	15.7	70	8	31.75	2.39	1.28	1.11
2	50	53	143	170	15.7	70	8	28.575	3.75	2.01	1.73
2 1/2	65	63	165	195	19.1	76	10	31.75	6.05	3.26	2.78
3	80	78	194	230	22.4	76	12	34.925	9.73	5.29	4.43
4	100	102	232	275	28.4	89	22	41.275	17.34	9.59	7.74
5	130	128	276	325	35.1	89	27	47.625	29.97	16.79	13.17
6	150	154	314	370	41.1	89	31	53.975	44.77	25.44	19.32
8	200	198	384	440	53.8	102	41	53.975	86.39	49.82	36.57
10	250	248	473	540	66.5	114	50	66.675	161.18	93.43	67.74
12	300	289	546	620	79.2	114	60	73.025	255.01	148.27	106.73

Size Of Spectacle Blind Flanges

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 Spectacle Blind Flanges

DN In inches	Dimension	125 LBS 150 LBS		300 LBS		400 LBS		600 LBS		900 LBS		1500 LBS		2500 LBS
		inch	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	mm
1/2	A	3 1/2	88.9	3 3/4	95.2	3 3/4	95.2	3 3/4	95.2	4 3/4	121	4 3/4	121	5 1/4	133.4
	b	7/16	11.1	9/16	14.3	9/16	14.3	9/16	14.3	7/8	22.2	7/8	22.2	1 3/16	30.2
	D2	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9
	D1	2 3/8	60.3	2 5/8	66.7	2 5/8	66.7	2 5/8	66.7	3 1/4	82.6	3 1/4	82.6	3 1/2	88.9
	n	4	4	4	4	4	4	4	4	4	4	4	-	4	44
	d	5/8	15.9	5/8	15.9	5/8	15.9	5/8	15.9	7/8	22.2	7/8	22.2	7/8	22.2
3/4	A	3 7/8	98.4	4 5/8	117.5	4 5/8	117.5	4 5/8	117.5	5 1/8	130	5 1/8	130	5 1/2	139.7
	b	1/2	12.7	5/8	15.9	5/8	15.9	5/8	15.9	1	25.4	1	25.4	1 1/4	31.8
	D2	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9
	D1	2 3/4	69.8	3 1/4	82.5	3 1/4	82.5	3 1/4	82.5	3 1/2	88.9	3 1/2	88.9	3 3/4	95.2
	n	4	4	4	4	4	4	4	4	4	4	4	-	4	44
	d	5/8	15.9	3/4	19	3/4	19	3/4	19	7/8	22.2	7/8	22.2	7/8	22.2
1	A	4 1/4	108	4 7/8	123.8	4 7/8	123.8	4 7/8	123.8	5 7/8	149.2	5 7/8	149.2	6 1/4	159
	b	9/16	14.3	11/16	17.5	11/16	17.5	11/16	17.5	1 1/8	28.6	1 1/8	28.6	1 3/8	34.9
	D2	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8
	D1	3 1/8	79.4	3 1/2	88.9	3 1/2	88.9	3 1/2	88.9	4	102	4	102	4 1/4	108
	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4
	d	5/8	15.9	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1	25.4
1 1/4	A	4 5/8	117.5	5 1/4	133.4	5 1/4	133.4	5 1/4	133.4	6 1/4	159	6 1/4	159	7 1/4	184.2
	b	5/8	15.9	3/4	19	13/16	20.6	13/16	20.6	1 1/8	28.6	1 1/8	28.6	1 1/2	38.1
	D2	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5
	D1	3 1/2	88.9	3 7/8	98.4	3 7/8	98.4	3 7/8	98.4	4 3/8	111	4 3/8	111	5 1/8	130
	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4
	d	5/8	15.9	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1 1/8	28.6
1 1/2	A	5	127	6 1/8	155.6	6 1/8	155.6	6 1/8	155.6	7	177.8	7	177.8	8	203
	b	11/16	17.5	13/16	20.6	7/8	22.2	7/8	22.2	1 1/4	31.8	1 1/4	31.8	1 3/4	44.5
	D2	2 7/8	73 98	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73
	D1	3 7/8	4	4 1/2	114	4 1/2	114	4 1/2	114	4 7/8	124	4 7/8	124	5 3/4	146
	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4
	d	5/8	. 15.9	7/8	22.2	7/8	22.2	7/8	22.2	1 1/8	28.6	1 1/8	28.6	1 1/4	31.8
2	A	6	152.4	6 1/2	165.1	6 1/2	165.1	6 1/2	165.1	8 1/2	215.9	8 1/2	215.9	9 1/4	234.9
	b	3/4	19	7/8	22.2	1	25.4	1	25.4	1 1/2	38.1	1 1/2	38.1	2	50.8
	D2	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1
	D1	4 3/4	121	5	127	5	127	5	127	6 1/2	165.1	6 1/2	165.1	6 3/4	171
	n	4	4	8	8	8	8	8	8	8	8	8	8	8	8
	d	3/4	19	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1 1/8	28.6
2 1/2	A	7	177.8	7 1/2	190.5	7 1/2	190.5	7 1/2	190.5	9 5/8	244	9 5/8	244	10 1/2	266.7
	b	7/8	22.2	1	25.4	1 1/8	28.6	1 1/8	28.6	1 5/8	41.3	1 5/8	41.3	2 1/4	57.2
	D2	4 1/8	104.8	4 1/8	104.8	4 1/8	104.8	4 1/8	104.8	4 1/8	105	4 1/8	105	4 1/8	105
	D1	5 1/2	139.7	5 7/8	149.2	5 7/8	149.2	5 7/8	149.2	7 1/2	190.5	7 1/2	190.5	7 3/4	197
	n	4	4	8	8	8	8	8	8	8	8	8	8	8	8

Pressure Rating Of Spectacle Blind Flanges

Temperature (F°)	150#	300#	400#	600#	900#	1500#	2500#
-20 to 100	285	740	985	1480	2220	3705	6170
200	260	680	905	1360	2035	3395	5655
300	230	655	870	1310	1965	3270	5450
400	200	635	845	1265	1900	3170	5280
500	170	605	805	1205	1810	3015	5025
600	140	570	755	1135	1705	2840	4730
650	125	550	730	1100	1650	2745	4575
700	110	530	710	1060	1590	2655	4425
750	95	505	675	1015	1520	2535	4230
800	80	410	550	825	1235	2055	3430
850	65	320	425	640	955	1595	2655
900	50	230	305	460	690	1150	1915
950	35	135	185	275	410	685	1145
1000	20	85	115	170	255	430	715

Price Of Spectacle Blind Flanges

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 Spectacle Blind Flanges

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 Spectacle Blind Flanges

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 Spectacle Blind Flanges

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:

People Also Search

Cities We Delivered

Country We Delivered