Brian Fasteners, based in Houston, USA, offers ANSI/ASA B16.5 Flanges from NPS ½ to 24, in pressure classes 150–2500#. Slip-on, weld-neck, threaded, lap-joint, and blind are offered in various styles. Fitted with high ASME standards, the flanges are precision machined and fully certified to ensure compatibility of connections and integrity of pressure. Brian Fasteners supplies oil & gas, petrochemical, power generation, and process HVAC industries with rapid delivery and proven reliability. These flanges offer reliable solutions for typical piping systems in applications where certified performance and interoperability are critical.
ANSI/ASA B16.5 flanges are manufactured using carbon steel (A105), stainless steel (A182), and other alloy steels. Tensile strengths of 415–620 MPa and yield strength of 250–480 MPa provide good suitability for up to 2500# pressures and up to 550 °C temperatures, based on alloy. Heat treated to specifications, the flanges provide dimensional accuracy for bolt-face alignment and sealing groove tolerance. Standard gasket surfaces and full mechanical design under flange bolting loads are provided by them.
| Specifications | ANSI / ASA B16.5 Flanges |
|---|---|
| ANSI / ASA B16.5 Flange size range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Production technique | Forged, Heat treated and machined |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS JIS Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange |
| Specialized manufacturer of | DIN 2566 en 1092 1 Pn16 Flange DIN 2566 pn16 Rtj Flange ANSI / ASA B16.5 Sorf Flange ANSI / ASA B16.5 Table Flanges DIN 2566 pn10 ANSI / ASA B16.5 Large Diameter Flange ANSI / ASA B16.5 Threaded Flanges ANSI / ASA B16.5 Blind Flanges ANSI / ASA B16.5 Plate Flanges ANSI / ASA B16.5 Weld Neck Flanges ANSI / ASA B16.5 Loose Flanges ANSI / ASA B16.5 Orifice Flanges ANSI / ASA B16.5 Slip-On Flanges ANSI / ASA B16.5 Lap Joint Flanges ANSI / ASA B16.5 Socketweld Flanges ANSI / ASA B16.5 AS 4087 Water Flanges |
| Test | Hydrostatic testing machine, Direct-reading Spectrograph,UI trasonic flaw detector, X-ray detector, Magnetic particle detector |
| Equipment | Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc |
| Origin | West Europe /Indian / USA / Japan / Korean |
| Key markets and industries for ANSI / ASA B16.5 Flange | Nuclear power (mostly seamless). Heavy oil refineries. Bitumen upgraders. Petrochemicals and acids. |
| Export to | Indonesia, Ireland, Ukraine, Singapore,Saudi Arabia,Canada, Peru, Dubai, Brazil, Iran, Korea, USA, India, Egypt, Thailand, Spain, Oman etc |
| ANSI / ASA B16.5 Flanges Application | To Connect Pipe & Tubes in Power, Petroleum,Construction, Chemical, Gas, Shipbuilding,Metallurgy, etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Shawn Flanges, a premier supplier in Houston, USA, specializes in high-quality ANSI / ASA B16.5 Flange, valued for their exceptional durability, corrosion resistance, precise engineering, and suitability across diverse industrial applications.
ANSI/ASA B16.5 flanges are employed in water, steam, gas, oil, and chemicals process piping in various industries. Uses range from refinery headers to boiler connections, HVAC manifolds, and pharmaceutical systems. They have replaceable, inspectable joints with standardized bolt patterns. Brian Fasteners delivers these flanges with full certification and traceability for routine process integrations—leak-tight, safe operations in regulated environments.
ANSI/ASME/ASA B16.5 300lb/sq.in. Flange BLIND-RF | |||||||
ø | D | b | g | k | Holes | l | Kg. |
1/2″ | 95,2 | 14,3 | 34,9 | 66,7 | 4 | 15,9 | 0,700 |
3/4″ | 117,5 | 15,9 | 42,9 | 82,5 | 4 | 19,0 | 1,200 |
1″ | 123,8 | 17,5 | 50,8 | 88,9 | 4 | 19,0 | 1,500 |
1 1/4″ | 133,3 | 19,0 | 63,5 | 98,4 | 4 | 19,0 | 2,000 |
1 1/2″ | 155,6 | 20,6 | 73,0 | 114,3 | 4 | 22,2 | 2,900 |
2″ | 165,1 | 22,2 | 92,1 | 127,0 | 8 | 19,0 | 3,400 |
2 1/2″ | 190,5 | 25,4 | 104,8 | 149,2 | 8 | 22,2 | 5,100 |
3″ | 209,5 | 28,6 | 127,0 | 168,3 | 8 | 22,2 | 7,000 |
3 1/2″ | 228,6 | 30,2 | 139,7 | 184,1 | 8 | 22,2 | 8,900 |
4″ | 254,0 | 31,7 | 157,2 | 200,0 | 8 | 22,2 | 11,800 |
5″ | 279,4 | 34,9 | 185,7 | 234,9 | 8 | 22,2 | 15,500 |
6″ | 317,5 | 36,5 | 215,9 | 269,9 | 12 | 22,2 | 21,300 |
8″ | 381,0 | 41,3 | 269,9 | 330,2 | 12 | 25,4 | 35,200 |
10″ | 444,5 | 47,6 | 323,8 | 387,3 | 16 | 28,6 | 57,000 |
12″ | 520,7 | 50,8 | 381,0 | 450,8 | 16 | 31,7 | 82,000 |
14″ | 584,2 | 54,0 | 412,7 | 514,3 | 20 | 31,7 | 106,000 |
16″ | 647,7 | 57,1 | 469,9 | 571,5 | 20 | 34,9 | 140,000 |
18″ | 711,2 | 60,3 | 533,4 | 628,6 | 24 | 34,9 | 178,000 |
20″ | 774,7 | 63,5 | 584,2 | 685,8 | 24 | 34,9 | 223,000 |
22″ | 838,2 | 66,7 | 641,2 | 742,9 | 24 | 41,3 | 270,000 |
24″ | 914,4 | 69,8 | 692,1 | 812,8 | 24 | 41,3 | 345,000 |
Yes, we offer custom sizes for ANSI / ASA B16.5 Flange to meet specific project needs. Our team at Shawn Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@shawnflanges.us.
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.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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