Harsh Flanges stands out as a leading manufacturer and supplier of ANSI B16.47 flanges, proudly based in Mumbai, India. We specialize in providing large-diameter flange solutions, ensuring our products meet the high standards of ANSI B16.47 Series A and B, with sizes ranging from 26 inches to 60 inches. Our flanges are essential in heavy-duty industrial applications where strength, precision, and durability are non-negotiable. Thanks to our advanced manufacturing capabilities and strict quality assurance processes, Harsh Flanges guarantees reliable performance, timely delivery, and adherence to global standards, making us the go-to partner for clients in sectors like oil & gas, petrochemicals, and power generation.
We craft ANSI B16.47 flanges from top-notch materials, including carbon steel (A105), stainless steel (A182 F304/316), and alloy steel (F11/F22). These flanges are designed to deliver impressive tensile strength (up to 550 MPa), yield strength (at least 250 MPa), and excellent elongation (typically 20% or more), depending on the material grade. Tailored for large-diameter, high-stress applications, our flanges boast remarkable mechanical stability, corrosion resistance, and weldability. Each flange undergoes rigorous testing and certification to meet ANSI B16.47 standards, ensuring they perform consistently in even the toughest environments.
Harsh Flanges, a premier supplier in Mumbai, India, specializes in high-quality ANSI B16.47 Flanges, valued for their exceptional durability, corrosion resistance, precise engineering, and suitability across diverse industrial applications.
| pecifications | ANSI 16.47 Flanges |
|---|---|
| ANSI 16.47 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 16.47 Sorf Flange ANSI 16.47 Table Flanges DIN 2566 pn10 ANSI 16.47 Large Diameter Flange ANSI 16.47 Threaded Flanges ANSI 16.47 Blind Flanges ANSI 16.47 Plate Flanges ANSI 16.47 Weld Neck Flanges ANSI 16.47 Loose Flanges ANSI 16.47 Orifice Flanges ANSI 16.47 Slip-On Flanges ANSI 16.47 Lap Joint Flanges ANSI 16.47 Socketweld Flanges ANSI 16.47 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 B16.47 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 B16.47 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 | |
| Nominal Size | Outside Diameter (OD) | Min. Thickness [Note1] – WNF (tf) | Min. Thickness [Note1] – Blind (tf) | Length Through Hub (Y) | Hub Dia. Base [Note2] (X) | Hub Dia. Top (A) | Raised Face Dia. (R) | Drilling – Bolt Circle Dia. | Drilling- No. of Bolt Holes | Drilling – Dia. of Bolt Hole | Dia. of Bolt | Min. Fillet Radius (r1) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 26 | 38.25 | 3.50 | 3.88 | 7.62 | 28.62 | 26.00 | 29.50 | 34.50 | 28 | 178 | 134 | 0.44 |
| 28 | 40.75 | 3.75 | 4.12 | 8.12 | 30.81 | 28.00 | 31.50 | 37.00 | 28 | 2 | 178 | 0.50 |
| 30 | 43.00 | 4.00 | 4.38 | 8.62 | 32.94 | 30.00 | 33.75 | 39.25 | 28 | 218 | 2 | 0.50 |
| 32 | 45.25 | 4.25 | 4.56 | 9.12 | 35.00 | 32.00 | 36.00 | 41.50 | 28 | 218 | 2 | 0.50 |
| 34 | 47.50 | 4.38 | 4.81 | 9.50 | 37.19 | 34.00 | 38.00 | 43.50 | 28 | 218 | 2 | 0.56 |
| 36 | 50.00 | 4.50 | 5.06 | 9.88 | 39.38 | 36.00 | 40.25 | 46.00 | 32 | 218 | 2 | 0.56 |
| 38 | 47.50 | 4.88 | 4.88 | 8.12 | 39.50 | 38.00 | 40.75 | 44.00 | 32 | 178 | 134 | 0.56 |
| 40 | 50.00 | 5.12 | 5.12 | 8.50 | 41.50 | 40.00 | 43.00 | 46.25 | 32 | 2 | 178 | 0.56 |
| 42 | 52.00 | 5.25 | 5.25 | 8.81 | 43.62 | 42.00 | 45.00 | 48.25 | 32 | 2 | 178 | 0.56 |
| 44 | 54.50 | 5.50 | 5.50 | 9.18 | 45.62 | 44.00 | 47.25 | 50.50 | 32 | 218 | 2 | 0.56 |
| 46 | 56.75 | 5.75 | 5.75 | 9.62 | 47.75 | 46.00 | 49.50 | 52.75 | 36 | 218 | 2 | 0.56 |
| 48 | 59.50 | 6.00 | 6.00 | 10.12 | 49.88 | 48.00 | 51.50 | 55.25 | 28 | 238 | 214 | 0.56 |
| 50 | 61.75 | 6.19 | 6.25 | 10.56 | 52.00 | 50.00 | 53.62 | 57.50 | 32 | 238 | 214 | 0.56 |
| 52 | 63.75 | 6.38 | 6.44 | 10.88 | 54.00 | 52.00 | 55.62 | 59.50 | 32 | 238 | 214 | 0.56 |
| 54 | 67.00 | 6.69 | 6.75 | 11.38 | 56.12 | 54.00 | 57.88 | 62.25 | 28 | 258 | 212 | 0.56 |
| 56 | 69.00 | 6.88 | 6.94 | 11.75 | 58.25 | 56.00 | 60.12 | 64.25 | 32 | 258 | 212 | 0.56 |
| 58 | 71.00 | 7.00 | 7.12 | 12.06 | 60.25 | 58.00 | 62.12 | 66.25 | 32 | 258 | 212 | 0.56 |
| 60 | 74.25 | 7.31 | 7.44 | 12.56 | 62.38 | 60.00 | 64.38 | 69.00 | 32 | 278 | 234 | 0.56 |
ANSI B16.47 flanges are specifically crafted for large-diameter piping systems, making them perfect for industries that require high-volume fluid or gas transfer. Harsh Flanges provides these flanges for a variety of applications, including oil & gas pipelines, offshore drilling platforms, refineries, chemical plants, power stations, and water treatment facilities. Available in Series A (for high-pressure applications) and Series B (for low-pressure systems), these flanges come in different types like weld neck and blind. Their substantial size, strength, and precise tolerances guarantee reliable sealing and structural support in critical operations where performance is paramount.
Yes, we offer custom sizes for ANSI B16.47 Flanges to meet specific project needs. Our team at Harsh Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@harshflanges.co.in.
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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