Blind Flanges make an essential component within piping systems, serving as a means to separate and connect various sections permanently. These Blind flanges Manufactured by Universe Metal & Alloy, boast exceptional quality and reliability, catering to the diverse needs of customers worldwide.

A distinctive feature of Blind Flanges is their design, resembling spectacles, with two steel discs of specific thickness connected by a central section. One disc is solid, while the other forms a ring with an inside diameter matching that of the flange. This configuration allows for seamless integration into systems requiring periodic isolation from other installations. Positioned in the open state, Blind Flanges facilitate fluid flow through the pipe. However, rotation to the closed position effectively blanks off the pipe, preventing any further flow.

During maintenance procedures, these flanges play a crucial role. Accessible through a drilled hole in the connection piece, they can be rotated to the closed position as needed. Universe Metal & Alloy ensures the highest standards of manufacturing, utilizing only premium quality raw materials. Rigorous testing procedures are employed to validate material integrity before fabrication begins. With a team of skilled technical experts overseeing the entire production cycle, quality is maintained at every stage.

To cater to customer demand, a Stockists of Blind Flanges is meticulously maintained in a secure warehouse facility. This ensures prompt availability, even during emergencies. At Universe Metal & Alloy, customer satisfaction is paramount. Standard packaging methods are followed meticulously, though customized options are also available upon request to ensure safe delivery of products. Each blind is carefully packed using high-quality materials to prevent damage during transit.

Stringent quality checks are conducted on every packaged flange before dispatch, guaranteeing adherence to quality standards. Transportation services of the highest caliber are engaged to ensure timely delivery to customers worldwide. As Manufacturers, Suppliers, Stockists, and Exporters of Blind Flanges, Universe Metal & Alloy remains committed to excellence in both product quality and customer service.

In conclusion, Blind Flanges manufactured by Universe Metal & Alloy are not just components within piping systems; they represent a commitment to quality, reliability, and customer satisfaction. With a focus on precision engineering and superior materials, these flanges stand as a testament to excellence in the industry.

• Specification of Spectacle Blind Flanges

  ASME B16.5 Spectacle Blind Flange Size Chart	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
  grooved spectacle blind flange 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
  Spectacle Flange Pressure Rating ANSI	Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Spectacle Flange
  Spectacle Flange Pressure Calculation in DIN	6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Spectacle Flange
  JIS	5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Spectacle Flange
  UNI	6Bar 10Bar 16Bar 25Bar 40Bar grooved spectacle blind flange
  EN	6Bar 10Bar 16Bar 25Bar 40Bar Forged grooved spectacle blind flange
  Coating	Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized ASME B16.5 Spectacle Blind Flange
  Most common types of Spectacle Blind Flange	Forged / Threaded / Screwed / Plate
  Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
  Production technique	Forged, Heat treated and machined
  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
  Special design	As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations
  Test	Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
  Equipment	Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
  Origin	Indian / West Europe / Japan / USA / Korean
  Manufacturer of	ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. Spectacle Flange: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange B.S: BS4504 , BS3293, BS1560, BS10 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 American standard (ANSI) German (DIN) British standard (BS) DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 Forged grooved spectacle blind flange The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
  grooved spectacle blind flange Uses & application	Bitumen upgraders. Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids.
  Export to	Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc
  Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

• Dimensions of Spectacle Flange

  NPS	Outside Ø A	Inside Ø B	Center Line C	THK 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	Center Line C	THK t	Web Width W

• Weight Chart Of Spectacle Blind Flange

  NPS (Inches)	DN (mm)	FLANGE OD A MM	FLANGE THICKNESS D MM	SLIP ON FLANGE WEIGHT (KGS)	WELD NECK FLANGE WEIGHT (KGS)	BLIND FLANGE WEIGHT (KGS)
  1/ 2	15	88.9	11.2	0.4	0.5	0.4
  3/ 4	20	98.6	12.7	0.6	0.7	0.6
  1	25	108	14.2	0.8	1	0.9
  1 1/ 4	32	117.3	15.7	1	1.3	1.2
  1 1/ 2	40	127	17.5	1.3	1.7	1.5
  2	50	152.4	19.1	2.1	2.6	2.4
  2 1/ 2	65	177.8	22.4	3.3	4.1	3.9
  3	80	190.5	23.9	3.9	4.9	4.9
  3 1/ 2	90	215.9	23.9	4.8	6.1	6.2
  4	100	228.6	23.9	5.3	6.8	7.0
  5	125	254	23.9	6.1	8.6	8.6
  6	150	279.4	25.4	7.5	10.6	11.3
  8	200	342.9	28.4	12.1	17.6	19.6
  10	250	406.4	30.2	16.5	24	28.6
  12	300	482.6	31.8	26.2	36.5	43.2
  14	350	533.4	35.1	34.6	48.4	58.1
  16	400	596.9	36.6	44.8	60.6	76.1
  18	450	635	39.6	48.9	68.3	93.7
  20	500	698.5	42.9	61.9	84.5	122.0
  24	600	812.8	47.8	86.9	115	185.0

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