Universe Metal & Alloy, recognized name in the industry of pipe and flanges, stands as a premier manufacturers, suppliers, stockists, and exporters of Expander Flanges. Our commitment to excellence is echoed in our products, which adhere to stringent international quality standards such as DIN, EN1092-1, BS4504, ANSI, API, MSS, AWWA, UNI, JIS, SANS, GOST, NFE, ISO, AS, NS, among others.

Expander Flanges, a unique offering in our diverse range, serve as a cost-effective solution for increasing pipe size at flange connections. They eliminate the need for separate reducer-welding neck flange combinations, offering convenience and efficiency. Crafted with precision and expertise, our Expander Flanges come in various sizes and materials to cater to diverse industrial requirements.

At Universe Metal & Alloy, we specialize in manufacturing high-pressure, large-diameter, high-yield, and specialty flanges. Our ASME B16.5 Expander Flanges are forged using superior grades of steel including Carbon Steel, Alloy Steel, Stainless Steel (201/202, 304/304L, 310S, 316/316L, 317L, 321/321H, 347/347H, 904L), ensuring durability and reliability in demanding applications.

The majority of our flanges are forged, imparting them with enhanced strength and durability for prolonged performance. We offer a comprehensive range of flange accessories such as flange packs, gaskets, flange connectors, and bolts, designed to meet or exceed SAE J518 and ISO 6162 standards, further enhancing the functionality and reliability of our products.

Our competitive pricing and commitment to quality have earned us acclaim on a global scale. We cater to clients worldwide, ensuring timely delivery and unparalleled service. Whether you require ASME B16.5 Expander Flanges or other pipe flanges, we offer consolidated shipping to the nearest port, simplifying logistics and enhancing convenience for our valued customers.

Universe Metal & Alloy has garnered orders for ASME B16.5 Expander Flanges Suppliers from various countries across the globe, including the US, Canada, Chile, Brazil, UK, Italy, Belgium, France, Portugal, South Africa, Nigeria, United Arab Emirates (UAE), Bahrain, Saudi Arabia, Qatar, Kuwait, Jordan, Malaysia, Thailand, Singapore, Indonesia, Sudan, Kazakhstan, Australia, Israel, Kenya, Russia, Tunisia, Vietnam, Colombia, Sri Lanka, and beyond.

In conclusion, Universe Metal & Alloy is your trusted partner for premium quality Expander Flanges and an extensive range of pipe fittings and flanges. With a focus on excellence, reliability, and customer satisfaction, we continue to set new benchmarks in the industry, catering to the evolving needs of our global clientele. Contact us today for all your flange requirements, and experience the difference of working with a leader in the field.

• Specification of Expander Flanges

  ASME B16.5 Threaded Flange Size Chart	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
  Threaded Lap Joint 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
  Npt Threaded Flanges Pressure Rating ANSI	Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Slip On Threaded Flange
  Square Threaded Flange Pressure Calculation in DIN	6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Npt Threaded Flanges
  JIS	5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Square Threaded Flange
  UNI	6Bar 10Bar 16Bar 25Bar 40Bar Threaded Lap Joint Flange
  EN	6Bar 10Bar 16Bar 25Bar 40Bar Screwed Flange
  Coating	Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
  Most common types of Screwed Pipe 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), Expander (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. Npt Threaded Flanges: -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 Screwed Flange The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
  Threaded Lap Joint 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 Slip On Threaded Flange

  Pipe Size (NPS)	Outside Diameter of Flange A	Diameter of Raised Face B	Thickness of Flange C	Diameter of Hub at Base J	Length of Hub L	Minimum Thread Length N	Number of Bolt Holes	Approx. Weight (Lbs.)
  1/2	3 1/2	1 3/8	7/16	1 3/16	5/8	5/8	4	2
  3/4	3 7/8	1 11/16	1/2	1 1/2	5/8	5/8	4	2
  1	4 1/4	2	9/16	1 15/16	11/16	11/16	4	2
  1 1/4	4 5/8	2 1/2	5/8	2 5/16	13/16	13/16	4	3
  1 1/2	5	2 7/8	11/16	2 9/16	7/8	7/8	4	3
  2	6	3 5/8	3/4	3 7/16	1	1	4	5
  2 1/2	7	4 1/8	7/8	3 9/16	1 1/8	1 1/8	4	7
  3	7 1/2	5	15/16	4 1/4	1 3/16	1 3/16	4	8
  3 1/2	8 1/2	5 1/2	15/16	4 13/16	1 1/4	1 1/4	8	11
  4	9	6 3/16	15/16	5 5/16	1 5/16	1 5/16	8	13
  5	10	7 5/16	15/16	6 7/16	1 7/16	1 7/16	8	15
  6	11	8 1/2	1	7 9/16	1 9/16	1 9/16	8	19
  8	13 1/2	10 5/8	1 1/8	9 11/16	1 3/4	1 3/4	8	30
  10	16	12 3/4	1 3/16	12	1 15/16	1 15/16	12	43
  12	19	15	1 1/4	14 3/8	2 3/16	2 3/16	12	64
  14	21	16 1/4	1 3/8	15 3/4	2 1/4	2 1/4	12	85
  16	23 1/2	18 1/2	1 7/16	18	2 1/2	2 1/2	16	93
  18	25	21	1 9/16	19 7/8	2 11/16	2 11/16	16	120
  20	27 1/2	23	1 11/16	22	2 7/8	2 7/8	20	155
  22	29 1/2	25 1/4	1 13/16	24	3 1/8	3 1/8	20	159
  24	32	27 1/4	1 7/8	26 1/8	3 1/4	3 1/4	20	210

• Weight Chart Of Expander 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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