ANSI B16.48 Flanges Manufacturer and Supplier in Dubai, UAE

Uday Flanges, aDubai, UAE-based company, is a reliable producer and supplier of **ANSI B16.48 Flanges**, designed specifically for pressure isolation and line maintenance in critical piping systems. These flanges, more aptly described as **line blanks or figure-8 blanks**, find extensive applications within industries like oil & gas, petrochemicals, power generation, and water treatment. Uday Flanges guarantees each product to be precision-produced in accordance with ANSI, ASME, and international codes of relevance, providing high reliability, safety, and long-term performance under a variety of service conditions.

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ANSI B16.48 Flanges

ANSI B16.48 Class 300 Flanges

ANSI B16.48 Spectacle Blind Flanges

**ANSI B16.48 Flanges** are line blanks like **spectacle blinds, spades, and spacers**, used in piping systems between the sizes ½ inch and 24 inches and the pressure classes of 150 to 900. They are normally produced from carbon steel, stainless steel, or alloy steels based on the application, with mechanical properties corresponding to the respective flange ratings (e.g., tensile strength between 485–655 MPa for carbon steel). Their main role is to prevent flow temporarily or permanently for maintenance, inspection, or safety reasons without decoupling flanged components from the system.

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Largest ANSI B16.48 Flanges Supplier in Dubai, UAE

Uday Flanges, a leading supplier in Dubai, UAE, offers an extensive selection of ANSI B16.48 Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.

Contact us to get a quick quote for your requirement.

We offer These Flanges as per DIN, ISO, JIS or ANSI Standard.

ANSI B16.48 Flanges Specification

Size Range	1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
DIN	6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS	5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI	6Bar 10Bar 16Bar 25Bar 40Bar
EN	6Bar 10Bar 16Bar 25Bar 40Bar
Main Types	Threaded / Forged / Plate /Screwed
Flange supporting material	Ring Joint, Gasket, Flange Bolts
Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
Most Common Types	Slip-On Ring Flange (SORF) Weld Neck Ring Flange (WNRF) Threaded Ring Flange Socket Weld Ring Flange (SWRF) Blind Ring Flange (BLRF) Ring Type Joint Flange (RTJF) Lap Joint Ring Flange (LJRF)
Production technique	Forged, Heat treated and machined
Connect Type/ Flange Face Type	Ring Type Joint (RTJ), Raised Face (RF),Large Male-Female (LMF), Flat Face (FF),Small Male-Female (SMF), Lap-Joint Face (LJF), Large Tongue & Groove, Small Tongue, 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 Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange
Test	Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment	Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc
Origin	Indian / West Europe / Japan / USA / Korean

ANSI B16.48 Class 150 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	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

ANSI B16.48 Class 300 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	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

**ANSI B16.48 Flanges** play a critical role in systems that need periodic isolation for shutdowns, safety inspections, or maintenance. They are widely used in refineries, gas plants, chemical production, and steam systems under high pressure. These line blanks provide safe, visual, and verifiable flow restriction. Spectacle blinds, a solid end with an open ring connected by a web, are easily switched between flow and block positions by operators. Spades and spacers replace one another in areas where flange spacing is not suitable for having a pair connected. Their strong construction, resistance to corrosion, and mechanical strength make them indispensable for operational safety and efficiency.

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Types of ANSI B16.48 Flanges

Are Custom Sizes Available for ANSI B16.48 Flanges?

Yes, we offer custom sizes for ANSI B16.48 Flanges to meet specific project needs. Our team at Uday Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@udayflanges.ae.

Material Testing

We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.