Universe Metal & Alloy takes immense pride in presenting a distinctive range of Weldo Flanges, meticulously crafted to meet diverse industrial needs. As best Manufacturers, Suppliers, Stockists, and Exporters of Weldo Flanges, we uphold the highest standards of quality, reliability, and innovation in every product we offer.

A cornerstone of our product line, the Weldo Flange, also known as a flange-olet or weldoflange, stands as a testament to our commitment to excellence. The Weldo Flange JIS 16k, with its resemblance to a long weld neck flange, embodies precision engineering and functional design. It seamlessly combines the features of a long weld neck flange and a weldolet, ensuring optimal performance and durability.

Our Weldo Flange JIS 5k and Weldo Flange JIS 10k models serve as indispensable components in piping systems, facilitating smooth 90° branch connections from main pipes. Crafted with meticulous attention to detail, our duplex stainless steel Weldo Flanges offer unparalleled strength and reliability, while our carbon steel variants provide robust flange connections.

At Universe Metal & Alloy, we understand the importance of adhering to industry standards. Our flange dimensions conform to EN1092, ASME/ANSI B16.5, and other relevant codes, ensuring compatibility and compliance across various applications. The production of our Weldo Flanges involves advanced techniques such as forging and machining. Each Weldo Flange, including the ASME B16.5 Class 300 and DIN EN 1092-1 variants, undergoes a rigorous manufacturing process, resulting in forged material free from welding seams. With origins tracing back to the UK, our Weldo Flange Class 600 exemplifies superior craftsmanship and versatility, available in a wide range of alloys including carbon steel, stainless steel, and alloy steel.

Conceptually akin to a Nipoflange, our Weldo Flanges offer a unique combination of weld neck flange and branch fitting connection. Crafted from a single piece of solid forged steel, the Weldo Flange Raised Face exemplifies structural integrity and longevity. It's important to note that our PN16 Weldo Flanges are not assembled from separate parts but forged as a single unit, ensuring unparalleled strength and reliability.

In conclusion, Universe Metal & Alloy stands at the forefront of Weldo Flange innovation, delivering products that exceed expectations in quality, performance, and durability. With a relentless commitment to customer satisfaction and a dedication to excellence, we continue to set new benchmarks in the industry, ensuring our Weldo Flanges remain the preferred choice for discerning professionals worldwide.

• Specification of Weldo Flanges

  ASME B16.5 Weldo Flange Size Chart	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
  grooved Weldo 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 Weldo flange
  EN	6Bar 10Bar 16Bar 25Bar 40Bar Forged grooved Weldo flange
  Coating	Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized ASME B16.5 Weldo Flange
  Most common types of Weldo 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 Weldo flange The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
  grooved Weldo 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 Weldo 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 Weldo 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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