Spectacle Blinds

Spectacle Blinds

A Spectacle Blinds is a tool that is extensively used in joining pipes. A well-known, effective and reliable joining method for tubes and pipes, it is used in multiple commercial and business sectors where long tubes/pipes have to be connected. Whether it is construction, drilling, sewerage, or any other field, Spectacle Blinds are used in pipes when joints need to be dismantled, inspected or adjusted. It is used so that the pipes can be disassembled in future for maintenance and to fix blockages or leaks if they take place in the pipe. A Spectacle Blinds is a very important part of pipes and tubes and has been in use for years. However, with time, it has undergone several changes. Today, Spectacle Blinds are available in different designs with improved functionality.

One can find Spectacle Blinds, socket-weld flanges, lap joint flanges, slip-on flanges, blind flanges, weld neck flanges, and more in the market. These Spectacle Blinds have their own specialty and make joining pipes a cakewalk with their smooth and hassle-free technique. For example, lap joint flanges are used where space is scarce and dismantling is required more often while weld neck flanges are utilized in process piping where piping is done under high pressure and high-temperature conditions.

FLANGE PRODUCTS

Spades and Ring Spacers

Square Flanges

Special Flanges

Flanges Faces

RELATED PRODUCTS

Nickel Pipes and Tubes

ISO 3183 Pipe

Why buy Spectacle Blinds from Rexal Tubes?

Industries across the board need these Spectacle Blinds for their industrial operations and Rexal Tubes offers the best and most diverse Spectacle Blinds to serve the different requirements. We have been supplying pipes, tubes and Spectacle Blinds to clients across the globe for fifteen years. Our premium quality Spectacle Blinds made of carbon steel, alloy steel, low-temperature steel and high-temperature steel have powered pipes in different industries and work as the ultimate joints in thousands of locations under diverse circumstances. Strong, sturdy, durable and cost-effective, our Spectacle Blinds have it in them to work under tough conditions and this is made possible by a modern manufacturing process that we follow at our plants.

Our equipment and tools are first-rate and we procure them after extensive research and inspection from well-known suppliers. The same applies to the raw material. The methods applied in production are also the best in the industry and most importantly, we follow the quality-control standards strictly. Every step is taken to make sure that the Spectacle Blinds adhere to the norms prescribed by the national and international regulatory bodies. We always keep ourselves up-to-date with the latest developments and give special emphasis on innovation so that the customers get novel offerings and we are at the forefront of the market. We also feel that it is our responsibility to ensure that the delivery reaches the different locations safely and on time.

Spectacle Blinds Applications

The Spectacle Blinds procured from Rexal Tubes are applied in tubes and pipes in numerous industries. They are an integral part of the pipeline system in diverse fields such as petroleum, water, oil & gas, pharmaceuticals, desalination, dairy & food processing, refinery & petrochemicals,breweries, and others. The Spectacle Blinds are applied to connect pipes, pumps, valves, and other equipment to create a piping system. The advantage with Spectacle Blinds is that they offer a lot of flexibility. They are detachable and hence, can be removed and fixed again after inspection or adjustment.

Flexibility is the prime feature of Spectacle Blinds and it works in different fields because piping systems have different requirements and need flexible setting. Also, some pipe systems are quite long and cannot be installed and maintained without the help of Spectacle Blinds. So, Spectacle Blinds have become a part and parcel of the pipes/tubes system and since they are available in different dimensions and specifications, it is completely possible to meet the unique industrial requirements.

Spectacle Blinds Description

Spectacle blind flanges are available in all of our stainless steel and chrome-moly grades, from ½” to 24” and beyond, class 150 to 2500. We can also source many of your other grade requirements. Our spec blind flanges are available with raised, flat, or RTJ faces.

ANSI Standard Stainless Steel Spectacle Blind Flanges, ASTM A105 Forged Steel Spectacle Flanges

Specifications:
Type: Spectacle Blind Flanges
Materials: ASTM A105
A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2
A516.60
A694 (F42, F46, F48, F50, F52, F56, F60, F65, F70)
A182 F304/304L, F316/316L, F316H, F310, F321
A182 F11, F22,
Standards: API, ANSI, BS, JIS, UNI, MSS and SP
Pressure: ANSI class 150 to 2,500
Flanges Size range: 1/2 to 56 inches (DN15 to DN1,400mm)
Applications: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.

Spectacle Blinds Dimensions & Tolerances

Class 150 SPECTACLE BLINDS

NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W
1/2	45	16	60	3	38
3/4	54	21	70	3	38
1	64	27	80	3	38
1¼	73	42	90	6.4	38
1½	83	48	100	6.4	38
2	102	61	120	6.4	51
2½	107	73	140	6.4	51
3	133	89	150	6.4	64
3½	159	102	175	9.7	64
4	172	114	190	9.7	64
5	194	141	215	9.7	76
6	219	168	240	12.7	76
8	276	219	300	12.7	76
10	337	273	360	15.7	102
12	406	324	430	19.1	102
14	448	356	475	19.1	108
16	511	406	460	22.4	108
18	546	457	580	25.4	114
20	603	508	635	28.4	121
24	714	610	750	31.8	140
NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W

Class 300 SPECTACLE BLINDS

NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W
1/2	51	16	65	6.4	38
3/4	64	21	80	6.4	38
1	70	27	90	6.4	38
1¼	79	42	100	6.4	38
1½	92	48	115	6.4	38
2	108	61	125	9.7	51
2½	127	73	150	9.7	51
3	146	89	170	9.7	64
3½	162	102	185	12.7	64
4	178	114	200	12.7	64
5	213	141	235	15.7	76
6	248	168	270	15.7	76
8	305	219	330	22.4	76
10	359	273	385	25.4	102
12	419	324	450	28.4	102
14	483	356	515	31.8	108
16	536	406	570	38.1	108
18	594	457	630	41.1	114
20	651	508	685	44.5	121
24	772	610	810	50.8	140
NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W

Class 600 SPECTACLE BLINDS

NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W
1/2	51	16	65	6.4	38
3/4	64	21	80	6.4	38
1	70	27	90	6.4	57
1¼	79	37	100	9.7	57
1½	92	43	115	9.7	67
2	108	55	125	9.7	57
2½	127	67	150	12.7	67
3	146	83	170	12.7	67
3½	159	96	185	15.7	76
4	191	108	215	15.7	76
5	238	135	265	19.1	86
6	264	162	290	22.4	86
8	318	212	350	28.4	95
10	397	265	430	35.1	105
12	454	315	490	41.1	105
14	489	346	525	44.5	114
16	562	397	605	50.8	124
18	610	448	655	53.8	133
20	679	497	725	63.5	133
24	787	597	840	73.2	152
NPS	Outside ØA	Inside ØB	CenterlineC	Thicknesst	Web WidthW

Class 900 SPECTACLE BLINDS

NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W
1/2	60	16	80	6.4	38
3/4	67	21	90	6.4	41
1	76	27	100	6.4	57
1¼	86	37	110	9.7	57
1½	95	43	125	9.7	67
2	140	55	165	12.7	57
2½	162	67	190	12.7	67
3	165	83	190	15.7	67
4	203	108	235	19.1	76
5	244	135	280	22.4	86
6	286	162	320	25.4	86
8	356	212	395	35.1	95
10	432	265	470	41.1	105
12	495	315	535	47.8	105
14	518	346	560	53.8	114
16	572	397	615	60.5	124
18	635	448	685	66.5	133
20	696	497	750	73.2	133
24	835	597	900	88.9	152
NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W

Class 1500 SPECTACLE BLINDS

NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W
1/2	61	16	80	6.4	38
3/4	67	21	90	9.7	41
1	76	27	100	9.7	64
1¼	86	35	110	9.7	64
1½	95	41	125	12.7	70
2	140	53	165	12.7	70
2½	162	63	190	15.7	76
3	172	78	205	19.1	76
4	206	102	240	22.4	89
5	251	128	290	28.4	89
6	279	154	320	35.1	89
8	349	203	395	41.1	102
10	432	255	480	50.8	114
12	518	303	570	60.5	114
14	575	333	635	66.5	127
16	638	381	705	76.2	133
18	702	429	775	85.9	146
20	752	478	830	95.3	152
24	899	575	990	111.3	178
NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W

Class 2500 SPECTACLE BLINDS

NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W
1/2	67	16	90	9.7	38
3/4	73	21	95	9.7	41
1	83	27	110	9.7	64
1¼	102	35	130	12.7	64
1½	114	41	145	15.7	70
2	143	53	170	15.7	70
2½	165	63	195	19.1	76
3	194	78	230	22.4	76
4	232	102	275	28.4	89
5	276	128	325	35.1	89
6	314	154	370	41.1	89
8	384	198	440	53.8	102
10	473	248	540	66.5	114
12	546	289	620	79.2	114
NPS	Outside Ø A	Inside Ø B	Centerline C	Thickness t	Web Width W