ISO Certified ASME B16.5 Forged Flanges, BS10 Forged Flange, EN 1092-2 PN16 Forged Flanges, ANSI B16.5 Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 Forged Flanges, MSS SP-44 Forged Flanges Manufacturer.
Bhavani Industries is a leading manufacturer and supplier of high-quality Forged Flanges known for precision engineering, durability, and reliability. With decades of experience in metal forging and machining, Bhavani Industries has built a strong reputation for delivering flanges that meet global quality standards. As a trusted name in the industry, we specialize in both standard and customized forged flanges for diverse industrial applications.
We offer forged flanges in a comprehensive range of sizes from ½” NB to 48” NB, and pressure classes including 150, 300, 600, 900, 1500, and 2500. All flanges are manufactured according to international specifications such as ASTM A105, ASTM A182 (Grades F304, F316, F11, F22), ASTM A350 LF2, and more. Available materials include carbon steel, stainless steel, alloy steel, duplex steel, and high nickel alloys, ensuring compatibility with varied operational environments and media.
Bhavani Industries’ forged flanges are widely used across industries like oil & gas, petrochemicals, refineries, power plants, marine, water treatment, and construction. Whether it’s a high-pressure pipeline or a corrosive process plant, our flanges are engineered to perform under extreme temperatures and conditions. Our state-of-the-art manufacturing and testing facilities ensure that every product meets exact specifications and industry codes.
Choosing Bhavani Industries means choosing quality, performance, and dependability. Our forged flanges offer superior mechanical strength, better grain structure, leak-proof sealing, and longer service life compared to cast flanges. With benefits like dimensional accuracy, excellent fatigue resistance, and customization options, we provide optimal flange solutions tailored to your project needs—delivered on time, every time.
PED Certified Raised Face Forged Flange, ASME B16.47 Series A and Series B Forged Flange, Best Forged Flange Supplier, ASME B16.5 Forged Flange Dimensional Sizes 1/2 inches to 2 1/2 inches, Flat Faced Forged Flanges.
Technical Index
Forged Pipe Flange Standard Specifications
| Product Name | Forged Flange |
|---|---|
| Flange Size Availability | ½” (15 NB) to 48” (1200 NB) |
| Flange Pressure Ratings | Class 150, 300, 600, 900, 1500, 2500, PN6, PN10, PN16, PN25, PN40, PN64 |
| Applicable Flange Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605 |
| Flange Facing Types | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap Joint, Male & Female (M&F), Tongue & Groove (T&G) |
| Custom Fabrication | Manufactured as per AS, BS, ANSI, DIN, JIS standards | Custom designs available | Equal and Reducing Configurations |
| Material Test Certifications | EN 10204 3.1 & EN 10204 3.2 | Compliance with NACE MR0175, NACE MR0103 |
| Testing & Inspection Reports | 100% Radiography Test Report, EN 10204/3.1B, Raw Material Certification, Third-Party Inspection Reports |
| Testing Procedures | Hydrostatic Testing, Direct-Reading Spectrograph, Ultrasonic Flaw Detection, X-ray Examination, Magnetic Particle Inspection |
| Manufacturing Equipment | Hydraulic Press Machines, Induction Heating, Bending Machines, Sand-Blasting Units, CNC Machining, Beveling Machines |
| Flange Coating Options | Anti-Rust Paint, Black Oil Paint, Yellow Transparent Coating, Zinc Plating, Hot-Dip & Cold-Dip Galvanization |
| Material Sourcing Regions | India, USA, Japan, West Europe, South Korea |
| Global Export Markets | UAE, Jordan, Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, USA, Singapore, Malaysia, Azerbaijan, Armenia, Georgia, Egypt, Nigeria, South Africa, Kenya, Morocco, Ethiopia, Ghana, Tanzania, Sudan, Uganda, Angola |
Forged Pipe Flange Standards
| ANSI/ASME B16.47 Flanges | ANSI/ASME B16.36 Flanges | ANSI/ASME B16.5 Flanges | Pr. EN1902-1 Flanges |
| DIN Flanges | JIS Flanges | BS 4504 Flanges | BS 10 Flanges |
| MSS SP-44 Flanges | JIS B2220 Flanges | KS B1503 Flanges | UNI Flanges |
| SABS/SANS 1123 Flanges | AS 2129, AS 4087 Flanges | ISO 9624, ISO 7005-1 Flanges | AWWA Flanges Standard |
| GOST Standard Flanges | API Flanges | AS/ANZ 4331.1 Flanges | Series A Flange |
| Series B Flange | SAE J518 Flanges | GB Flange | Norwegian Standard Flanges |
Forged Flange Material Grades and Standards
| Stainless Steel Forged Flanges | ASTM/ASME A/SA182: F304, F304L, F316, F316L | ASTM/ASME A/SA351: CF3, CF3M, CF8, CF8M | DIN: 1.4306, 1.4301, 1.4404, 1.4401, 1.4408, 1.4308, 1.4409 |
|---|---|
| Duplex Steel Forged Flanges | ASTM A182: S31803 / S32205 | Grades: F51, F52, F53, F54, F55, F57, F59, F60, F61 |
| Super Duplex Steel Forged Flanges | ASTM A182: S32750 / S32760 | Grades: F51, F52, F53, F54, F55, F57, F59, F60, F61 |
| Copper Nickel Forged Flanges | ASTM/ASME SB 61 / 62 / 151 / 152 | UNS: C70600 (90/10), C71500 (70/30), C71640 |
| Titanium Forged Flanges | ASTM B381 / ASME SB381: Gr.1, Gr.2, Gr.4, Gr.5, Gr.7 | UNS: R50250 (Gr.1), R50400 (Gr.2), R50550 (Gr.3), R50700 (Gr.4), R52400 (Gr.7), R53400 (Gr.12), R56320 (Gr.9), R56400 (Gr.5) |
| Copper Forged Flanges | Grades: TP1, TP2, C10100 – C12300, TU1, TU2, C12500, C14200, C14500 – C14530, C17200, C19200, C21000, C23000, C26000, C27000, C28000, C33000, C37000, C44300 – C44500, C60800, C63020, C68700, C70400, C70600, C71500, C71640 |
| Incoloy Forged Flanges | ASTM B564 / ASME SB564: Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 |
| Inconel Forged Flanges | ASTM B564 / ASME SB564: Inconel 600, 601, 625, 718, 783, 690, X750 |
| Nickel Alloy Forged Flanges | ASTM B564 / ASME SB564: Nickel 200, Nickel 201, Nickel 205, Nickel 205LC |
| Hastelloy Forged Flanges | ASTM B564 / ASME SB564: Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X |
| Monel Forged Flanges | ASTM B564 / ASME SB564: Monel 400 (UNS N04400), Monel 500 (UNS N05500) |
| Carbon Steel Forged Flanges | ASTM/ASME A/SA105, A/SA105N, A/SA216-WCB | DIN: 1.0460, 1.0402, 1.0619 | ASTM A105N, ASTM A350 LF2, ASTM A694 (F52, F56, F60, F65, F70, F80) |
| Alloy Steel Forged Flanges | ASTM A182 / ASME SA182: F5, F9, F11, F12, F22, F91 |
| Alloy 20 Forged Flanges | ASTM B462 / ASME SB462: Carpenter® 20 Alloy, Alloy 20Cb-3 |
| SMO 254 Forged Flanges | ASTM A182 / ASME SA182: SMO 254/6Mo, UNS S31254, DIN 1.4547 |
| Aluminium Forged Flanges | Grades: 5052, 6061, 6063, 2017, 7075 |
| Brass Forged Flanges | Grades: 3602, 2604, H59, H62 |
| Other Specialty Forged Flanges | Materials: Tin Bronze, Aluminum Bronze, Lead Bronze, Nimonic 75, Nimonic 80A, Nimonic 90, AISI 4140, AISI 4130, Mild Steel, Al6XN |
ASME B16.5 Flanges Types
ANSI B16.5 Forged Flange Industries & Applications
Forged Flange Dimensions Class 150 in inches (ASME B16.5)
| Nom. Pipe Size | O | T | TJ | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | D | Thr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ½ | 3.50 | 0.38 | 0.44 | 1.38 | 1.19 | 4-0.62 | 2.38 | 0.88 | 0.62 | 0.90 | 0.84 | 0.56 | 1.81 | 0.62 | 0.12 | 0.38 | 0.62 |
| ¾ | 3.88 | 0.44 | 0.50 | 1.69 | 1.50 | 4-0.62 | 2.75 | 1.09 | 0.82 | 1.11 | 1.05 | 0.56 | 2.00 | 0.62 | 0.12 | 0.44 | 0.62 |
| 1 | 4.25 | 0.50 | 0.56 | 2.00 | 1.94 | 4-0.62 | 3.12 | 1.36 | 1.05 | 1.38 | 1.32 | 0.62 | 2.12 | 0.69 | 0.12 | 0.50 | 0.69 |
| 1¼ | 4.62 | 0.56 | 0.62 | 2.50 | 2.31 | 4-0.62 | 3.50 | 1.70 | 1.38 | 1.72 | 1.66 | 0.75 | 2.19 | 0.81 | 0.19 | 0.56 | 0.81 |
| 1½ | 5.00 | 0.62 | 0.69 | 2.88 | 2.56 | 4-0.62 | 3.88 | 1.95 | 1.61 | 1.97 | 1.90 | 0.81 | 2.38 | 0.88 | 0.25 | 0.62 | 0.88 |
| 2 | 6.00 | 0.69 | 0.75 | 3.62 | 3.06 | 4-0.75 | 4.75 | 2.44 | 2.07 | 2.46 | 2.38 | 0.94 | 2.44 | 1.00 | 0.31 | 0.69 | 1.00 |
| 2½ | 7.00 | 0.81 | 0.88 | 4.12 | 3.56 | 4-0.75 | 5.50 | 2.94 | 2.47 | 2.97 | 2.88 | 1.06 | 2.69 | 1.12 | 0.31 | 0.75 | 1.12 |
| 3 | 7.50 | 0.88 | 0.94 | 5.00 | 4.25 | 4-0.75 | 6.00 | 3.57 | 3.07 | 3.60 | 3.50 | 1.12 | 2.69 | 1.19 | 0.38 | 0.81 | 1.19 |
| 3½ | 8.50 | 0.88 | 0.94 | 5.50 | 4.81 | 8-0.75 | 7.00 | 4.07 | 3.55 | 4.10 | 4.00 | 1.19 | 2.75 | 1.25 | 0.38 | 0.88 | 1.25 |
| 4 | 9.00 | 0.88 | 0.94 | 6.19 | 5.31 | 8-0.75 | 7.50 | 4.57 | 4.03 | 4.60 | 4.50 | 1.25 | 2.94 | 1.31 | 0.44 | 0.94 | 1.31 |
| 5 | 10.00 | 0.88 | 0.94 | 7.31 | 6.44 | 8-0.88 | 8.50 | 5.66 | 5.05 | 5.69 | 5.56 | 1.38 | 3.44 | 1.44 | 0.44 | 0.94 | 1.44 |
| 6 | 11.00 | 0.94 | 1.00 | 8.50 | 7.56 | 8-0.88 | 9.50 | 6.72 | 6.07 | 6.75 | 6.63 | 1.50 | 3.44 | 1.56 | 0.50 | 1.06 | 1.56 |
| 8 | 13.50 | 1.06 | 1.12 | 10.62 | 9.69 | 8-0.88 | 11.75 | 8.72 | 7.98 | 8.75 | 8.63 | 1.69 | 3.94 | 1.75 | 0.50 | 1.25 | 1.75 |
| 10 | 16.00 | 1.12 | 1.19 | 12.75 | 12.00 | 12-1.00 | 14.25 | 10.88 | 10.02 | 10.92 | 10.75 | 1.88 | 3.94 | 1.94 | 0.50 | 1.31 | 1.94 |
| 12 | 19.00 | 1.19 | 1.25 | 15.00 | 14.38 | 12-1.00 | 17.00 | 12.88 | 12.00 | 12.92 | 12.75 | 2.12 | 4.44 | 2.19 | 0.50 | 1.56 | 2.19 |
| 14 | 21.00 | 1.31 | 1.38 | 16.25 | 15.75 | 12-1.12 | 18.75 | 14.14 | 13.25 | 14.18 | 14.00 | 2.19 | 4.94 | 3.12 | 0.50 | 1.63 | 2.25 |
| 16 | 23.50 | 1.38 | 1.44 | 18.50 | 18.00 | 16-1.12 | 21.25 | 16.16 | 15.25 | 16.19 | 16.00 | 2.44 | 4.94 | 3.44 | 0.50 | 1.75 | 2.50 |
| 18 | 25.00 | 1.50 | 1.56 | 21.00 | 19.88 | 16-1.25 | 22.75 | 18.18 | 17.25 | 18.20 | 18.00 | 2.62 | 5.44 | 3.81 | 0.50 | 1.94 | 2.69 |
| 20 | 27.50 | 1.62 | 1.69 | 23.00 | 22.00 | 20-1.25 | 25.00 | 20.20 | 19.25 | 20.25 | 20.00 | 2.81 | 5.62 | 4.06 | 0.50 | 2.13 | 2.88 |
| 22 | 29.50 | 1.75 | 1.81 | 25.25 | 24.25 | 20-1.38 | 27.25 | 22.22 | 21.25 | 22.25 | 22.00 | 3.07 | 5.82 | 4.25 | 0.50 | 2.38 | 3.13 |
| 24 | 32.00 | 1.81 | 1.88 | 27.25 | 26.12 | 20-1.38 | 29.50 | 24.25 | 23.25 | 24.25 | 24.00 | 3.19 | 5.94 | 4.38 | 0.50 | 2.50 | 3.25 |
Forged Flange Dimensions Class 300 in inches (ASME B16.5)
| Nom. Pipe Size | O | T | TJ | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | C | D | Thr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ½ | 3.75 | 0.50 | 0.56 | 1.38 | 1.50 | 4-0.63 | 2.62 | 0.88 | 0.62 | 0.90 | 0.84 | 0.81 | 2.00 | 0.88 | 0.12 | 0.93 | 0.38 | 0.62 |
| ¾ | 4.62 | 0.56 | 0.62 | 1.69 | 1.88 | 4-0.75 | 3.25 | 1.09 | 0.82 | 1.11 | 1.05 | 0.94 | 2.19 | 1.00 | 0.12 | 1.14 | 0.44 | 0.62 |
| 1 | 4.88 | 0.62 | 0.69 | 2.00 | 2.12 | 4-0.75 | 3.50 | 1.36 | 1.05 | 1.38 | 1.32 | 1.00 | 2.38 | 1.06 | 0.12 | 1.41 | 0.50 | 0.69 |
| 1¼ | 5.25 | 0.69 | 0.75 | 2.50 | 2.50 | 4-0.75 | 3.88 | 1.70 | 1.38 | 1.72 | 1.66 | 1.00 | 2.50 | 1.06 | 0.19 | 1.75 | 0.56 | 0.81 |
| 1½ | 6.12 | 0.75 | 0.81 | 2.88 | 2.75 | 4-0.88 | 4.50 | 1.95 | 1.61 | 1.97 | 1.90 | 1.13 | 2.63 | 1.19 | 0.25 | 1.98 | 0.62 | 0.88 |
| 2 | 6.50 | 0.81 | 0.88 | 3.62 | 3.31 | 8-0.75 | 5.00 | 2.44 | 2.07 | 2.46 | 2.38 | 1.25 | 2.69 | 1.31 | 0.31 | 2.50 | 0.69 | 1.12 |
| 2½ | 7.50 | 0.94 | 1.00 | 4.12 | 3.94 | 8-0.88 | 5.88 | 2.94 | 2.47 | 2.97 | 2.88 | 1.44 | 2.94 | 1.50 | 0.31 | 3.00 | 0.75 | 1.25 |
| 3 | 8.25 | 1.06 | 1.12 | 5.00 | 4.62 | 8-0.88 | 6.62 | 3.57 | 3.07 | 3.60 | 3.50 | 1.63 | 3.06 | 1.69 | 0.38 | 3.63 | 0.81 | 1.25 |
| 3½ | 9.00 | 1.12 | 1.19 | 5.50 | 5.25 | 8-0.88 | 7.25 | 4.07 | 3.55 | 4.10 | 4.00 | 1.69 | 3.13 | 1.75 | 0.38 | 4.13 | …. | 1.44 |
| 4 | 10.00 | 1.19 | 1.25 | 6.19 | 5.75 | 8-0.88 | 7.88 | 4.57 | 4.03 | 4.60 | 4.50 | 1.82 | 3.32 | 1.88 | 0.44 | 4.63 | …. | 1.44 |
| 5 | 11.00 | 1.31 | 1.38 | 7.31 | 7.00 | 8-0.88 | 9.25 | 5.66 | 5.05 | 5.69 | 5.56 | 1.94 | 3.82 | 2.00 | 0.44 | 5.69 | …. | 1.69 |
| 6 | 12.50 | 1.38 | 1.44 | 8.50 | 8.12 | 12-0.88 | 10.62 | 6.72 | 6.07 | 6.75 | 6.63 | 2.00 | 3.82 | 2.06 | 0.50 | 6.75 | …. | 1.81 |
| 8 | 15.00 | 1.56 | 1.62 | 10.62 | 10.25 | 12-1.00 | 13.00 | 8.72 | 7.98 | 8.75 | 8.63 | 2.38 | 4.32 | 2.44 | 0.50 | 8.75 | …. | 2.00 |
| 10 | 17.50 | 1.81 | 1.88 | 12.75 | 12.62 | 16-1.12 | 15.25 | 10.88 | 10.02 | 10.92 | 10.75 | 2.56 | 4.56 | 3.75 | 0.50 | 10.88 | …. | 2.19 |
| 12 | 20.50 | 1.94 | 2.00 | 15.00 | 14.75 | 16-1.25 | 17.75 | 12.88 | 12.00 | 12.92 | 12.75 | 2.82 | 5.06 | 4.00 | 0.50 | 12.94 | …. | 2.38 |
| 14 | 23.00 | 2.06 | 2.12 | 16.25 | 16.75 | 20-1.25 | 20.25 | 14.14 | 13.25 | 14.18 | 14.00 | 2.94 | 5.56 | 4.38 | 0.50 | 14.19 | …. | 2.50 |
| 16 | 25.50 | 2.19 | 2.25 | 18.50 | 19.00 | 20-1.38 | 22.50 | 16.16 | 15.25 | 16.19 | 16.00 | 3.19 | 5.69 | 4.75 | 0.50 | 16.19 | …. | 2.69 |
| 18 | 28.00 | 2.31 | 2.38 | 21.00 | 21.00 | 24-1.38 | 24.75 | 18.18 | 17.25 | 18.20 | 18.00 | 3.44 | 6.19 | 5.12 | 0.50 | 18.19 | …. | 2.75 |
| 20 | 30.50 | 2.44 | 2.50 | 23.00 | 23.12 | 24-1.38 | 27.00 | 20.20 | 19.25 | 20.25 | 20.00 | 3.69 | 6.32 | 5.50 | 0.50 | 20.19 | …. | 2.88 |
| 22 | 33.00 | 2.57 | 2.63 | 25.25 | 25.25 | 24-1.63 | 29.25 | 22.22 | 21.25 | 22.25 | 22.00 | 3.93 | 6.43 | 5.75 | 0.50 | 22.19 | …. | 3.13 |
| 24 | 36.00 | 2.69 | 2.75 | 27.25 | 27.62 | 24-1.63 | 32.00 | 24.25 | 23.25 | 24.25 | 24.00 | 4.13 | 6.56 | 6.00 | 0.50 | 24.19 | …. | 3.25 |
Forged Flange Dimensions Class 600 in inches (ASME B16.5)
| Nom. Pipe Size | O | T | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | C | D | Thr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ½ | 3.75 | 0.56 | 1.38 | 1.5 | 4-0.63 | 2.62 | 0.88 | 0.9 | 0.84 | 0.88 | 2.06 | 0.88 | 0.12 | 0.93 | 0.38 | 0.62 | |
| ¾ | 4.62 | 0.62 | 1.69 | 1.88 | 4-0.75 | 3.25 | 1.09 | 1.11 | 1.05 | 1 | 2.25 | 1 | 0.12 | 1.14 | 0.44 | 0.62 | |
| 1 | 4.88 | 0.69 | 2 | 2.12 | 4-0.75 | 3.5 | 1.36 | 1.38 | 1.32 | 1.06 | 2.44 | 1.06 | 0.12 | 1.41 | 0.5 | 0.69 | |
| 1¼ | 5.25 | 0.81 | 2.5 | 2.5 | 4-0.75 | 3.88 | 1.7 | 1.72 | 1.66 | 1.12 | 2.62 | 1.12 | 0.19 | 1.75 | 0.56 | 0.81 | |
| 1½ | 6.12 | 0.88 | 2.88 | 2.75 | 4-0.88 | 4.5 | 1.95 | 1.97 | 1.9 | 1.25 | 2.75 | 1.25 | 0.25 | 1.99 | 0.62 | 0.88 | |
| 2 | 6.5 | 1 | 3.62 | 3.31 | 8-0.75 | 5 | 2.44 | 2.46 | 2.38 | 1.44 | 2.88 | 1.44 | 0.31 | 2.5 | 0.69 | 1.12 | |
| 2½ | 7.5 | 1.12 | 4.12 | 3.94 | 8-0.88 | 5.88 | 2.94 | 2.97 | 2.88 | 1.62 | 3.12 | 1.62 | 0.31 | 3 | 0.75 | 1.25 | |
| 3 | 8.25 | 1.25 | 5 | 4.62 | 8-0.88 | 6.62 | 3.57 | 3.6 | 3.5 | 1.81 | 3.25 | 1.81 | 0.38 | 3.63 | 0.81 | 1.38 | |
| 3½ | 9 | 1.38 | 5.5 | 5.25 | 8-1.00 | 7.25 | 4.07 | 4.1 | 4 | 1.94 | 3.38 | 1.94 | 0.38 | 4.13 | …. | 1.56 | |
| 4 | 10.75 | 1.5 | 6.19 | 6 | 8-1.00 | 8.5 | 4.57 | 4.6 | 4.5 | 2.12 | 4 | 2.12 | 0.44 | 4.63 | …. | 1.62 | |
| 5 | 13 | 1.75 | 7.31 | 7.44 | 8-1.12 | 10.5 | 5.66 | 5.69 | 5.56 | 2.38 | 4.5 | 2.38 | 0.44 | 5.69 | …. | 1.88 | |
| 6 | 14 | 1.88 | 8.5 | 8.75 | 12-1.12 | 11.5 | 6.72 | 6.75 | 6.63 | 2.62 | 4.62 | 2.62 | 0.5 | 6.75 | …. | 2 | |
| 8 | 16.5 | 2.19 | 10.62 | 10.75 | 12-1.25 | 13.75 | 8.72 | 8.75 | 8.63 | 3 | 5.25 | 3 | 0.5 | 8.75 | …. | 2.25 | |
| 10 | 20 | 2.5 | 12.75 | 13.5 | 16-1.38 | 17 | 10.88 | 10.92 | 10.75 | 3.38 | 6 | 4.38 | 0.5 | 10.88 | …. | 2.56 | |
| 12 | 22 | 2.62 | 15 | 15.75 | 20-1.38 | 19.25 | 12.88 | 12.92 | 12.75 | 3.62 | 6.12 | 4.62 | 0.5 | 12.94 | …. | 2.75 | |
| 14 | 23.75 | 2.75 | 16.25 | 17 | 20-1.50 | 20.75 | 14.14 | 14.18 | 14 | 3.69 | 6.5 | 5 | 0.5 | 14.19 | …. | 2.88 | |
| 16 | 27 | 3 | 18.5 | 19.5 | 20-1.63 | 23.75 | 16.16 | 16.19 | 16 | 4.19 | 7 | 5.5 | 0.5 | 16.19 | …. | 3.06 | |
| 18 | 29.25 | 3.25 | 21 | 21.5 | 20-1.75 | 25.75 | 18.18 | 18.2 | 18 | 4.62 | 7.25 | 6 | 0.5 | 18.19 | …. | 3.12 | |
| 20 | 32 | 3.5 | 23 | 24 | 24-1.75 | 28.5 | 20.2 | 20.25 | 20 | 5 | 7.5 | 6.5 | 0.5 | 20.19 | …. | 3.25 | |
| 22 | 34.25 | 3.75 | 25.25 | 26.25 | 24-1.75 | 30.63 | 22.22 | 22.25 | 22 | 5.25 | 7.75 | 6.88 | 0.5 | …. | …. | — | |
| 24 | 37 | 4 | 27.25 | 28.25 | 24-2.00 | 33 | 24.25 | 24.25 | 24 | 5.5 | 8 | 7.25 | 0.5 | 24.19 | …. | 3.62 |
Forged Flange Dimensions Class 900 in inches (ASME B16.5)
| Nom. Pipe Size | O | T | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | C | Thr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sizes 1/2″ through 2 1/2″ are identical to class 1500. | ||||||||||||||||
| 3 | 9.5 | 1.5 | 5 | 5 | 8-1.00 | 7.5 | 3.57 | 3.6 | 3.5 | 2.12 | 4 | 2.12 | 0.38 | 3.63 | 1.62 | |
| 4 | 11.5 | 1.75 | 6.19 | 6.25 | 8-1.25 | 9.25 | 4.57 | 4.6 | 4.5 | 2.75 | 4.5 | 2.75 | 0.44 | 4.63 | 1.88 | |
| 5 | 13.75 | 2 | 7.31 | 7.5 | 8-1.38 | 11 | 5.66 | 5.69 | 5.56 | 3.12 | 5 | 3.12 | 0.44 | 5.69 | 2.12 | |
| 6 | 15 | 2.19 | 8.5 | 9.25 | 12-1.25 | 12.5 | 6.72 | 6.75 | 6.63 | 3.38 | 5.5 | 3.38 | 0.5 | 6.75 | 2.25 | |
| 8 | 18.5 | 2.5 | 10.63 | 11.75 | 12-1.50 | 15.5 | 8.72 | 8.75 | 8.63 | 4 | 6.38 | 4.5 | 0.5 | 8.75 | 2.5 | |
| 10 | 21.5 | 2.75 | 12.75 | 14.5 | 16-1.50 | 18.5 | 10.88 | 10.92 | 10.75 | 4.25 | 7.25 | 5 | 0.5 | 10.88 | 2.81 | |
| 12 | 24 | 3.12 | 15 | 16.5 | 20-1.50 | 21 | 12.88 | 12.92 | 12.75 | 4.63 | 7.88 | 5.62 | 0.5 | 12.94 | 3 | |
| 14 | 25.25 | 3.38 | 16.25 | 17.75 | 20-1.63 | 22 | 14.14 | 14.18 | 14 | 5.12 | 8.38 | 6.12 | 0.5 | 14.19 | 3.25 | |
| 16 | 27.75 | 3.5 | 18.5 | 20 | 20-1.75 | 24.25 | 16.16 | 16.19 | 16 | 5.25 | 8.5 | 6.5 | 0.5 | 16.19 | 3.38 | |
| 18 | 31 | 4 | 21 | 22.25 | 20-2.00 | 27 | 18.18 | 18.2 | 18 | 6 | 9 | 7.5 | 0.5 | 18.19 | 3.5 | |
| 20 | 33.75 | 4.25 | 23 | 24.5 | 20-2.13 | 29.5 | 20.2 | 20.25 | 20 | 6.25 | 9.75 | 8.25 | 0.5 | 20.19 | 3.62 | |
| 24 | 41 | 5.5 | 27.25 | 29.5 | 20-2.63 | 35.5 | 24.25 | 24.25 | 24 | 8 | 11.5 | 10.5 | 0.5 | 24.19 | 4 | |
Forged Flange Dimensions Class 1500 in inches (ASME B16.5)
| Nom. Pipe Size | O | T | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | C | D | Thr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ½ | 4.75 | 0.88 | 1.38 | 1.5 | 4-0.88 | 3.25 | 0.88 | 0.9 | 0.84 | 1.25 | 2.38 | 1.25 | 0.12 | 0.93 | 0.38 | 0.88 | |
| ¾ | 5.12 | 1 | 1.69 | 1.75 | 4-0.88 | 3.5 | 1.09 | 1.11 | 1.05 | 1.38 | 2.75 | 1.38 | 0.12 | 1.14 | 0.44 | 1 | |
| 1 | 5.88 | 1.12 | 2 | 2.06 | 4-1.00 | 4 | 1.36 | 1.38 | 1.32 | 1.62 | 2.88 | 1.62 | 0.12 | 1.41 | 0.5 | 1.12 | |
| 1¼ | 6.25 | 1.12 | 2.5 | 2.5 | 4-1.00 | 4.38 | 1.7 | 1.72 | 1.66 | 1.62 | 2.88 | 1.62 | 0.19 | 1.75 | 0.56 | 1.19 | |
| 1½ | 7 | 1.25 | 2.88 | 2.75 | 4-1.12 | 4.88 | 1.95 | 1.97 | 1.9 | 1.75 | 3.25 | 1.75 | 0.25 | 1.99 | 0.62 | 1.25 | |
| 2 | 8.5 | 1.5 | 3.63 | 4.12 | 8-1.00 | 6.5 | 2.44 | 2.46 | 2.38 | 2.25 | 4 | 2.25 | 0.31 | 2.5 | 0.69 | 1.5 | |
| 2½ | 9.62 | 1.62 | 4.13 | 4.88 | 8-1.12 | 7.5 | 2.94 | 2.97 | 2.88 | 2.5 | 4.12 | 2.5 | 0.31 | 3 | 0.75 | 1.88 | |
| 3 | 10.5 | 1.88 | 5 | 5.25 | 8-1.25 | 8 | …. | 3.6 | 3.5 | …. | 4.62 | 2.88 | 0.38 | …. | …. | …. | |
| 4 | 12.25 | 2.12 | 6.19 | 6.38 | 8-1.38 | 9.5 | …. | 4.6 | 4.5 | …. | 4.88 | 3.56 | 0.44 | …. | …. | …. | |
| 5 | 14.75 | 2.88 | 7.31 | 7.75 | 8-1.63 | 11.5 | …. | 5.69 | 5.56 | …. | 6.12 | 4.12 | 0.44 | …. | …. | …. | |
| 6 | 15.5 | 3.25 | 8.5 | 9 | 12-1.50 | 12.5 | …. | 6.75 | 6.63 | …. | 6.75 | 4.69 | 0.5 | …. | …. | …. | |
| 8 | 19 | 3.62 | 10.63 | 11.5 | 12-1.75 | 15.5 | …. | 8.75 | 8.63 | …. | 8.38 | 5.62 | 0.5 | …. | …. | …. | |
| 10 | 23 | 4.25 | 12.75 | 14.5 | 12-2.00 | 19 | …. | 10.92 | 10.75 | …. | 10 | 7 | 0.5 | …. | …. | …. | |
| 12 | 26.5 | 4.88 | 15 | 17.75 | 16-2.12 | 22.5 | …. | 12.92 | 12.75 | …. | 11.12 | 8.62 | 0.5 | …. | …. | …. | |
| 14 | 29.5 | 5.25 | 16.25 | 19.5 | 16-2.38 | 25 | …. | 14.18 | 14 | …. | 11.75 | 9.5 | 0.5 | …. | …. | …. | |
| 16 | 32.5 | 5.75 | 18.5 | 21.75 | 16-2.63 | 27.75 | …. | 16.19 | 16 | …. | 12.25 | 10.25 | 0.5 | …. | …. | …. | |
| 18 | 36 | 6.38 | 21 | 23.5 | 16-2.88 | 30.5 | …. | 18.2 | 18 | …. | 12.88 | 10.88 | 0.5 | …. | …. | …. | |
| 20 | 38.75 | 7 | 23 | 25.25 | 16-3.12 | 32.75 | …. | 20.25 | 20 | …. | 14 | 11.5 | 0.5 | …. | …. | …. | |
| 24 | 46 | 8 | 27.25 | 30 | 16-3.63 | 39 | …. | 24.25 | 24 | …. | 16 | 13 | 0.5 | …. | …. | …. |
Forged Flange Dimensions Class 2500 in inches (ASME B16.5)
| Nom. Pipe Size | O | T | R | X | #/Dia of Holesa | Bolt Circle Dia | B2b | B3 | H | L | L2 | L3 | r | C | Thr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ½ | 5.25 | 1.19 | 1.38 | 1.69 | 4-0.88 | 3.5 | 0.9 | 0.84 | 1.56 | 2.88 | 1.56 | 0.12 | 0.93 | 1.12 | |
| ¾ | 5.5 | 1.25 | 1.69 | 2 | 4-0.88 | 3.75 | 1.11 | 1.05 | 1.69 | 3.12 | 1.69 | 0.12 | 1.14 | 1.25 | |
| 1 | 6.25 | 1.38 | 2 | 2.25 | 4-1.00 | 4.25 | 1.38 | 1.32 | 1.88 | 3.5 | 1.88 | 0.12 | 1.41 | 1.38 | |
| 1¼ | 7.25 | 1.5 | 2.5 | 2.88 | 4-1.12 | 5.13 | 1.72 | 1.66 | 2.06 | 3.75 | 2.06 | 0.19 | 1.75 | 1.5 | |
| 1½ | 8 | 1.75 | 2.88 | 3.12 | 4-1.25 | 5.75 | 1.97 | 1.9 | 2.38 | 4.38 | 2.38 | 0.25 | 1.99 | 1.75 | |
| 2 | 9.25 | 2 | 3.63 | 3.75 | 8-1.12 | 6.75 | 2.46 | 2.38 | 2.75 | 5 | 2.75 | 0.31 | 2.5 | 2 | |
| 2½ | 10.5 | 2.25 | 4.13 | 4.5 | 8-1.25 | 7.75 | 2.97 | 2.88 | 3.12 | 5.62 | 3.12 | 0.31 | 3 | 2.25 | |
| 3 | 12 | 2.62 | 5 | 5.25 | 8-1.38 | 9 | 3.6 | 3.5 | …. | 6.62 | 3.62 | 0.38 | …. | …. | |
| 4 | 14 | 3 | 6.19 | 6.5 | 8-1.63 | 10.75 | 4.6 | 4.5 | …. | 7.5 | 4.25 | 0.44 | …. | …. | |
| 5 | 16.5 | 3.62 | 7.31 | 8 | 8-1.88 | 12.75 | 5.69 | 5.56 | …. | 9 | 5.12 | 0.44 | …. | …. | |
| 6 | 19 | 4.25 | 8.5 | 9.25 | 8-2.12 | 14.5 | 6.75 | 6.63 | …. | 10.75 | 6 | 0.5 | …. | …. | |
| 8 | 21.75 | 5 | 10.63 | 12 | 12-2.12 | 17.25 | 8.75 | 8.63 | …. | 12.5 | 7 | 0.5 | …. | …. | |
| 10 | 26.5 | 6.5 | 12.75 | 14.75 | 12-2.63 | 21.25 | 10.92 | 10.75 | …. | 16.5 | 9 | 0.5 | …. | …. | |
| 12 | 30 | 7.25 | 15 | 17.38 | 12-2.88 | 24.38 | 12.92 | 12.75 | …. | 18.25 | 10 | 0.5 | …. | …. |
Major Forged Pipe Flanges Export Countries
United Arab Emirates (UAE), Jordan, Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, United States of America (USA), Singapore, Malaysia, Azerbaijan, Armenia, Georgia, Egypt, Algeria, Nigeria, South Africa, Kenya, Morocco, Ethiopia, Ghana, Tanzania, Sudan, Uganda, Angola.