LAP JOINT
FLANGES
CONTENTS
Overview
Lap Joint Flanges— Manufacturers & Suppliers in India
Manibhadra Metals is a leading manufacturer, supplier, and exporter of ASME B16.5 Lap Joint Flanges in Mumbai, India, offering premium-quality flanges for piping systems that require frequent dismantling and easy alignment. We manufacture Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloy, Titanium, Copper Nickel, and other special material Lap Joint Flanges in accordance with ASME B16.5, ASME B16.47 Series A & B, EN 1092-1, DIN, BS, JIS, MSS SP-44, AWWA, and UNI standards.
Our Lap Joint Flanges (LJ Flanges) are designed to be used with Stub Ends, allowing the flange to rotate freely for effortless bolt-hole alignment while eliminating direct contact between the flange and the process fluid. This design makes them an economical solution for corrosion-resistant piping systems, reducing replacement costs while simplifying maintenance. We manufacture Raised Face (RF), Flat Face (FF), RTJ, Loose, Forged, and PN-rated Lap Joint Flanges in pressure classes ranging from Class 150 to Class 2500 and PN10 to PN160, with sizes available from ½” NB to 60″ NB.Every flange is manufactured using advanced CNC machining and undergoes rigorous dimensional inspection, PMI, hydrostatic testing, and quality checks to ensure compliance with international standards.
Manibhadra Metals supplies ASME B16.5 Lap Joint Flanges with EN 10204 3.1/3.2 certification, complete traceability, and export-standard packaging for applications across the oil & gas, petrochemical, chemical processing, power generation, offshore, marine, water treatment, pharmaceutical, food processing, pulp & paper, and general industrial sectors worldwide.
| Quick Specification Reference | |
|---|---|
| Size Range | ½″ (15 NB) to 48″ (1200 NB) • DN10–DN5000 |
| Standards | ASME B16.5, ASME B16.47 Series A & B, ASME B16.48, EN 1092-1, DIN, BS, JIS, API, MSS SP-44, ISO 7005-1, AWWA, GOST & UNI |
| Pressure Ratings | ANSI Class 150, 300, 400, 600, 900, 1500 & 2500 • DIN PN6, PN10, PN16, PN25, PN40 & PN64 • JIS 5K–63K |
| Face Types | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap Joint Face (LJF), Large & Small Male-Female, Tongue & Groove |
| Available Types | Forged Lap Joint Flanges, Plate Lap Joint Flanges, Loose Lap Joint Flanges, Stub End Lap Joint Flanges, RTJ Lap Joint Flanges & Threaded Lap Joint Flanges |
| Surface Finish | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Passivation, Cold & Hot Dip Galvanized |
| Manufacturing | Forged, Heat Treated, CNC Machined with Standard & Custom Drawing Designs |
| Testing & Inspection | PMI, Hydrostatic, Ultrasonic (UT), Radiography (RT), Magnetic Particle Inspection (MPI), Spectro Analysis & Dimensional Inspection |
| Certificates | EN 10204 3.1 / 3.2, MTC, Raw Material Certificate, NACE MR0103, NACE MR0175 & Third-Party Inspection |
| Manufacturing Equipment | Press Machines, CNC Machines, Bending Machines, Pushing Machines, Electric Bevelling Machines & Sand Blasting Equipment |
| Applications | Oil & Gas, Petrochemical, Chemical Processing, Refineries, Heavy Oil Plants, Nuclear Power, Marine, Water Treatment & Process Industries |
| Export Markets | USA, Canada, Ireland, Spain, UAE, Saudi Arabia, Oman, Singapore, Thailand, Indonesia, Brazil, Egypt, South Korea & Worldwide |
Overview
How Lap Joint Flanges Work
1
Stub End Welded to Pipe
A Stub End (short pipe piece with a pre-formed lapped collar) is butt-welded to the pipe end. This is the only weld in the assembly and the only component that contacts the process fluid.
2
Flange Slides Over Pipe
The Lap Joint Flange which has a bore radius to seat against the stub end collar is slid over the pipe before the stub end is welded. It is neither welded nor fastened to the pipe directly.
3
Free Rotation for Alignment
The flange swivels freely around the pipe. This lets the bolt holes be rotated to align with the opposing flange without moving the pipe itself invaluable in tight or congested installations.
4
Bolting Loads the Gasket
When bolted up, the flange bears against the back of the stub end lap, transmitting bolt load through the lapped collar to compress the gasket between the two stub end faces creating the pressure seal.
PRICE TABLE
Lap Joint Flange Reference Price Chart
The prices shown above are indicative and provided for reference only. Actual pricing for ASME B16.5 Lap Joint Flanges may vary depending on material grade, size, pressure class, quantity, testing requirements, special coatings, NACE compliance, and current raw material costs. For the latest quotation, bulk discounts, and customized pricing, please contact Manibhadra Metals
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| Sr. No. | Item Code | Qty | Description | Price (USD) | Total (USD) |
|---|---|---|---|---|---|
| 1 | 45301010007-1 | 90 Nos | ½" Lap Joint Flange, Class 600, Carbon Steel ASTM A105, ASME/ANSI B16.5 | $10.39 | $935.28 |
| 2 | 45301010007-1 | 210 Nos | ½" Lap Joint Flange, Class 600, Carbon Steel ASTM A105, ASME/ANSI B16.5, NACE MR0175 Sour Service | $14.00 | $2,940.00 |
SPECIFICATION TABLE
ASME B16.5 Lap Joint Flange Specifications Chart
Explore the complete technical specifications of ASME B16.5 Lap Joint Flanges, including available sizes, pressure ratings, international standards, flange face types, manufacturing process, testing, certifications, coatings, and material grades manufactured by Manibhadra Metals.
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| Lap joint Flange Raised Face Specification Reference | |
|---|---|
| Size Range | ½″ (15 NB) to 48″ (1200 NB) • DN10–DN5000 |
| Manufacturing Standards | ASME B16.5, ASME B16.47 Series A & B, ASME B16.48, EN 1092-1, DIN, BS, JIS, MSS SP-44, API 605, ISO 7005-1, AWWA, GOST & UNI |
| Pressure Ratings | ANSI Class 150, 300, 600, 900, 1500 & 2500 • DIN PN6, PN10, PN16, PN25, PN40 & PN64 • JIS 5K, 10K, 16K, 20K, 30K, 40K & 63K |
| Face Types | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap Joint Face (LJF), Large & Small Male-Female, Tongue & Groove |
| Available Types | Forged Lap Joint Flanges, Loose Lap Joint Flanges, Stub End Lap Joint Flanges, Plate Lap Joint Flanges, RTJ Lap Joint Flanges & Screwed Lap Joint Flanges |
| Surface Finish | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Passivation, Cold & Hot Dip Galvanized |
| Manufacturing Process | Forged, Heat Treated, Precision CNC Machined & Manufactured as per Standard or Customer Drawings |
| Special Configurations | Equal & Reducing Designs • Standard & Custom Drawings • ½″ to 8″ Custom Configurations |
| Testing & Inspection | PMI, Hydrostatic Test, Ultrasonic Testing (UT), Radiography (RT), Magnetic Particle Inspection (MPI), Spectro Analysis & Dimensional Inspection |
| Certificates | EN 10204 3.1 / 3.2, MTC, Raw Material Certificate, Radiography Report, NACE MR0103, NACE MR0175 & Third-Party Inspection |
| Manufacturing Equipment | Press Machines, CNC Machines, Bending Machines, Pushing Machines, Electric Bevelling Machines & Sand Blasting Equipment |
| Available Standards | ANSI, ASME, DIN, EN, BS, JIS, API, AWWA, GOST, UNI, AS2129, KS, NFE & SABS |
| Applications | Oil & Gas, Petrochemical, Chemical Processing, Heavy Oil Refineries, Nuclear Power, Offshore, Marine, Pressure Vessels & Process Industries |
| Export Markets | USA, Canada, Ireland, Spain, UAE, Saudi Arabia, Oman, Singapore, Indonesia, Thailand, Brazil, Egypt, South Korea, Peru & Worldwide |
| Manufacturer | Manibhadra Metals – Manufacturer, Supplier & Exporter of ASME B16.5, EN 1092-1 & MSS SP-44 Lap Joint Flanges in India |
Materials
ASME B16.5 Lap Joint Flange Material Grades
Manibhadra Metals manufactures and supplies ASME B16.5 Lap Joint Flanges in a wide range of material grades including Stainless Steel, Carbon Steel, Duplex, Super Duplex, Titanium, Nickel Alloys, Copper Nickel, Inconel, Monel, Hastelloy, Incoloy, 254 SMO, Nimonic, and Aluminium, ensuring compliance with international piping standards.
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| Lap joint Flange Material Grades | |
|---|---|
| Material | Standards & Grades |
| Carbon Steel Lap Joint Flanges | ASTM/ASME A/SA105, A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield Carbon Steel ASTM A694 / ASME SA694 Grades F52, F56, F60, F65, F70 & F80 |
| Stainless Steel Lap Joint Flanges | ASTM/ASME A/SA182 Grades F304, F304L, F316 & F316L; ASTM/ASME A/SA351 Grades CF8, CF3, CF8M & CF3M; DIN 1.4301, 1.4306, 1.4401, 1.4404, 1.4308, 1.4408 & 1.4409 |
| Alloy Steel Lap Joint Flanges | ASTM A182 / ASME SA182 Grades F5, F9, F11, F12, F22 & F91 |
| Titanium Lap Joint Flanges | ASTM B381 / ASME SB381, Titanium Grade 1, Grade 2, Grade 4, Grade 5 & Grade 7; ASTM R50250 / Grade 1, R50400 / Grade 2, R50550 / Grade 3, R50700 / Grade 4, Grade 6, R52400 / Grade 7, R53400 / Grade 12, R56320 / Grade 9 & R56400 / Grade 5 |
| Copper Lap Joint Flanges | T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910, C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000, C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc. |
| Copper Nickel Lap Joint Flanges | ASTM / ASME SB 61, SB 62, SB 151 & SB 152; Copper Nickel 90/10 (C70600), Cupro Nickel 70/30 (C71500) & UNS C71640 |
| Brass Lap Joint Flanges | 3602, 2604, H59, H62, etc. |
| Inconel Lap Joint Flanges | ASTM B564 / ASME SB564, Inconel 600, 601, 625, 690, 718, 783 & X-750 |
| Hastelloy Lap Joint Flanges | ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3 & Hastelloy X |
| Monel Lap Joint Flanges | ASTM B564 / ASME SB564, Monel 400 (UNS N04400) & Monel K500 (UNS N05500) |
| Alloy 20 Lap Joint Flanges | ASTM B462 / ASME SB462, Carpenter® 20 Alloy & Alloy 20Cb-3 |
| Aluminium Lap Joint Flanges | Aluminium Grades 5052, 6061, 6063, 2017, 7075, etc. |
| Nickel Lap Joint Flanges | ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205 & Nickel 205LC |
| Duplex Lap Joint Flanges | UNS S31803 & S32205; ASTM A182 / ASME SA182 Grades F51, F52, F53, F54, F55, F57, F59, F60 & F61 |
| Super Duplex Lap Joint Flanges | UNS S32750 & S32760; ASTM A182 / ASME SA182 Grades F51, F52, F53, F54, F55, F57, F59, F60 & F61 |
| Incoloy Lap Joint Flanges | ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825) & 925 |
| 254 SMO Lap Joint Flanges | ASTM A182 / ASME SA182, SMO 254 / 6Mo, UNS S31254 & DIN 1.4547 |
| Nimonic Lap Joint Flanges | Nimonic 75, Nimonic 80A & Nimonic 90 |
| Other Lap Joint Flange Materials | Tin Bronze, Aluminium Bronze & Lead Bronze |
PRODUCT VARIANTS AND SPECIFICATIONS
Lap JOINT Flange Material Types & Configurations
Manibhadra Metals manufactures and supplies a complete range of Lap Joint Flanges in various standards, pressure classes, and configurations, including ASME B16.5, ASME B16.47, ANSI, EN 1092-1, AWWA C207, and MSS SP-44, available in stainless steel, carbon steel, alloy steel, duplex, and special alloys.
ASME B16.5 Lap Joint Flange
ASME B16.5 Lap Joint Flanges manufactured from Carbon Steel, Stainless Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloys, and Titanium in Class 150 to Class 2500 with Raised Face (RF), Flat Face (FF), and RTJ configurations, supplied with EN 10204 3.1/3.2 Material Test Certificates.
ASME B16.5 Lap Joint Pipe Flanges
ASME B16.5 Lap Joint Pipe Flanges designed for use with Stub Ends, providing easy bolt alignment and economical maintenance. Available in ANSI Class 150–2500 and manufactured to international ASME, ANSI, DIN, EN, BS, and JIS standards.
ANSI B16.5 Lap Joint Weld Flange
ANSI B16.5 Lap Joint Weld Flanges manufactured for low and medium pressure piping systems, available in Carbon Steel ASTM A105, Stainless Steel ASTM A182, Duplex, Super Duplex, and Nickel Alloy materials with precision-machined sealing faces.
ASME B16.47 Series A Lap Joint Ring Flange
ASME B16.47 Series A Lap Joint Ring Flanges manufactured for large diameter piping systems, available in NPS 26″–60″ with Raised Face and Ring Type Joint (RTJ) configurations for heavy industrial applications.
ASME B16.47 Series B Lap Joint Flange
ASME B16.47 Series B Lap Joint Flanges manufactured in accordance with ASME B16.47 Series B specifications, offering a cost-effective solution for large-diameter pipelines in oil & gas, petrochemical, and power generation industries.
Lap Joint Flange Class 150
Class 150 Lap Joint Flanges manufactured to ASME B16.5 standards in ½″–24″ sizes, suitable for low-pressure piping systems, available in Carbon Steel, Stainless Steel, Duplex, and Alloy Steel.
Lap Joint Flange Class 300
Class 300 Lap Joint Flanges designed for medium-pressure industrial applications, manufactured from ASTM A105, ASTM A182 F304/F316, Duplex Stainless Steel, and Nickel Alloys, ensuring excellent strength and corrosion resistance.
EN 1092-1 Lap Joint Flange
EN 1092-1 Lap Joint Flanges manufactured in PN6, PN10, PN16, PN25, PN40, PN64, and PN100 pressure ratings, available in Carbon Steel, Stainless Steel, and Alloy Steel materials for European piping systems.
PN16 Lap Joint Flange
PN16 Lap Joint Flanges manufactured according to EN 1092-1 standards with Raised Face (RF) and Flat Face (FF) options, widely used in water treatment, chemical processing, and general industrial piping.
Forged Lap Joint Loose Flanges
Forged Loose Lap Joint Flanges manufactured using hot-forged billets and CNC machining, offering excellent dimensional accuracy, superior mechanical strength, and compatibility with Stub Ends.
AWWA C207 Class D Galvanized Lap Joint Flange
AWWA C207 Class D Galvanized Lap Joint Flanges manufactured for water distribution, wastewater treatment, and municipal piping systems, supplied with hot-dip galvanized coating for enhanced corrosion protection.
MSS SP-44 Lap Joint Flange
MSS SP-44 Lap Joint Flanges manufactured for large diameter transmission pipelines in accordance with MSS SP-44 specifications, available in Carbon Steel, Stainless Steel, Duplex, and Alloy Steel with complete material traceability and inspection reports.
DIMENSIONS TABLE
ASME B16.5 Lap Joint Flange Dimensions
Browse the complete ASME B16.5 Lap Joint Flange dimensions chart covering Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, and Class 2500 pressure ratings. The tables include outside diameter, flange thickness, lapped dimensions, bolt circle diameter (PCD), machine bolt lengths, RF stud lengths, bolt hole sizes, ISO stud sizes, and approximate weights for standard sizes from 1/2″ to 24″ in accordance with ASME B16.5 standards. The dimensions are specified in millimeters (mm)
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DIMENSIONS TABLE
ASME B16.5 Class 150 Lap Joint Flange Dimensions
The table below provides the standard dimensions for ASME B16.5 Class 150 Lap Joint Flanges, including outside diameter (OD), flange thickness, lapped dimensions, bolt circle diameter (PCD), bolt hole details, stud bolt sizes, machine bolt lengths, and approximate weights in accordance with ASME B16.5 specifications.
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| Size (Inch) | DN (mm) | OD (A) | Hub Dia. (B) | Flange Thickness (C) | Lapped ID (D) | PCD (E) | Lapped Thickness (G) | Radius | No. of Bolts | Bolt Size (UNC) | Machine Bolt Length | RF Stud Length | Hole Size | ISO Stud Size | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 15 | 90 | 30 | 16 | 22.9 | 60.3 | 11.2 | 3 | 4 | 1/2 | 50 | 55 | 5/8 | M14 | 0.8 |
| 3/4 | 20 | 100 | 38 | 16 | 28.2 | 69.9 | 12.7 | 3 | 4 | 1/2 | 50 | 65 | 5/8 | M14 | 0.9 |
| 1 | 25 | 110 | 49 | 17 | 34.9 | 79.4 | 14.3 | 3 | 4 | 1/2 | 55 | 65 | 5/8 | M14 | 0.9 |
| 1 1/4 | 32 | 115 | 59 | 21 | 43.7 | 88.9 | 15.9 | 5 | 4 | 1/2 | 55 | 70 | 5/8 | M14 | 1.4 |
| 1 1/2 | 40 | 125 | 65 | 22 | 50 | 98.4 | 17.5 | 6 | 4 | 1/2 | 65 | 70 | 5/8 | M14 | 1.4 |
| 2 | 50 | 150 | 78 | 25 | 62.5 | 120.7 | 19.1 | 8 | 4 | 5/8 | 70 | 85 | 3/4 | M16 | 2.3 |
| 2 1/2 | 65 | 180 | 90 | 29 | 75.4 | 139.7 | 22.3 | 8 | 4 | 5/8 | 75 | 90 | 3/4 | M16 | 3.2 |
| 3 | 80 | 190 | 108 | 30 | 91.4 | 152.4 | 23.9 | 10 | 4 | 5/8 | 75 | 90 | 3/4 | M16 | 3.7 |
| 3 1/2 | 90 | 215 | 122 | 32 | 104.1 | 177.8 | 23.9 | 11 | 8 | 5/8 | 75 | 90 | 3/4 | M16 | 5.0 |
| 4 | 100 | 230 | 135 | 33 | 116.8 | 190.5 | 23.9 | 11 | 8 | 5/8 | 75 | 90 | 3/4 | M16 | 5.9 |
| 5 | 125 | 255 | 164 | 36 | 144.4 | 215.9 | 23.9 | 11 | 8 | 3/4 | 85 | 95 | 7/8 | M20 | 6.8 |
| 6 | 150 | 280 | 192 | 40 | 171.4 | 241.3 | 25.4 | 13 | 8 | 3/4 | 85 | 100 | 7/8 | M20 | 8.6 |
| 8 | 200 | 345 | 246 | 44 | 222.2 | 298.5 | 28.6 | 13 | 8 | 3/4 | 90 | 110 | 7/8 | M20 | 13.7 |
| 10 | 250 | 405 | 305 | 49 | 277.4 | 362 | 30.2 | 13 | 12 | 7/8 | 100 | 115 | 1 | M24 | 19.5 |
| 12 | 300 | 485 | 365 | 56 | 328.2 | 431.8 | 31.8 | 13 | 12 | 7/8 | 100 | 120 | 1 | M24 | 29 |
| 14 | 350 | 535 | 400 | 79 | 360.2 | 476.3 | 35 | 13 | 12 | 1 | 115 | 135 | 1 1/8 | M27 | 41 |
| 16 | 400 | 595 | 457 | 87 | 411.2 | 539.8 | 36.6 | 13 | 16 | 1 | 115 | 135 | 1 1/8 | M27 | 54 |
| 18 | 450 | 635 | 505 | 97 | 462.3 | 577.9 | 39.7 | 13 | 16 | 1 1/8 | 125 | 145 | 1 1/4 | M30 | 59 |
| 20 | 500 | 700 | 559 | 103 | 514.4 | 635 | 42.9 | 13 | 20 | 1 1/8 | 140 | 160 | 1 1/4 | M30 | 75 |
| 24 | 600 | 815 | 663 | 111 | 616 | 749.3 | 47.9 | 13 | 20 | 1 1/4 | 150 | 170 | 1 3/8 | M33 | 100 |
Note: All dimensions are in millimeters (mm) unless otherwise specified. Dimensions conform to ASME B16.5 Class 150 standards and are intended for reference only.
DIMENSIONS TABLE
ASME B16.5 Class 300 Lap Joint Flange Dimensions
The table below provides the standard dimensions for ASME B16.5 Class 300 Lap Joint Flanges, including outside diameter (OD), flange thickness, lapped dimensions, bolt circle diameter (PCD), bolt hole details, stud bolt sizes, machine bolt lengths, and approximate weights in accordance with ASME B16.5 specifications.
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| Size (Inch) | DN (mm) | OD (A) | Hub Dia. (B) | Flange Thickness (C) | Lapped ID (D) | PCD (E) | Lapped Thickness (G) | Radius | No. of Bolts | Bolt Size (UNC) | Machine Bolt Length | RF Stud Length | Hole Size | ISO Stud Size | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 15 | 95 | 38 | 22 | 22.9 | 66.7 | 14.3 | 3 | 4 | 1/2 | 55 | 65 | 5/8 | M14 | 1.2 |
| 3/4 | 20 | 115 | 48 | 25 | 28.2 | 82.6 | 15.9 | 3 | 4 | 5/8 | 65 | 75 | 3/4 | M16 | 1.4 |
| 1 | 25 | 125 | 54 | 27 | 34.9 | 88.9 | 17.5 | 3 | 4 | 5/8 | 65 | 75 | 3/4 | M16 | 1.4 |
| 1 1/4 | 32 | 135 | 64 | 27 | 43.7 | 98.4 | 19.1 | 5 | 4 | 5/8 | 70 | 85 | 3/4 | M16 | 1.8 |
| 1 1/2 | 40 | 155 | 70 | 30 | 50 | 114.3 | 20.7 | 6 | 4 | 3/4 | 75 | 90 | 7/8 | M20 | 2.7 |
| 2 | 50 | 165 | 84 | 33 | 62.5 | 127 | 22.3 | 8 | 8 | 5/8 | 75 | 90 | 3/4 | M16 | 3.2 |
| 2 1/2 | 65 | 190 | 100 | 38 | 75.4 | 149.2 | 25.4 | 8 | 8 | 3/4 | 85 | 100 | 7/8 | M20 | 4.6 |
| 3 | 80 | 210 | 117 | 43 | 91.4 | 168.3 | 28.6 | 10 | 8 | 3/4 | 90 | 110 | 7/8 | M20 | 5.9 |
| 3 1/2 | 90 | 230 | 133 | 44 | 104.1 | 184.2 | 30.2 | 11 | 8 | 3/4 | 95 | 110 | 7/8 | M20 | 7.7 |
| 4 | 100 | 255 | 146 | 48 | 116.8 | 200 | 31.8 | 11 | 8 | 3/4 | 95 | 115 | 7/8 | M20 | 10.0 |
| 5 | 125 | 280 | 178 | 51 | 144.4 | 235 | 35 | 11 | 8 | 3/4 | 110 | 120 | 7/8 | M20 | 12.7 |
| 6 | 150 | 320 | 206 | 52 | 171.4 | 269.9 | 36.6 | 13 | 12 | 3/4 | 110 | 120 | 7/8 | M20 | 17.7 |
| 8 | 200 | 380 | 260 | 62 | 222.2 | 330.2 | 41.3 | 13 | 12 | 7/8 | 120 | 140 | 1 | M24 | 26 |
| 10 | 250 | 445 | 321 | 95 | 277.4 | 387.4 | 47.7 | 13 | 16 | 1 | 140 | 160 | 1 1/8 | M27 | 36 |
| 12 | 300 | 520 | 375 | 102 | 328.2 | 450.8 | 50.8 | 13 | 16 | 1 1/8 | 145 | 170 | 1 1/4 | M30 | 52 |
| 14 | 350 | 585 | 425 | 111 | 360.2 | 514.4 | 54 | 13 | 20 | 1 1/8 | 160 | 180 | 1 1/4 | M30 | 75 |
| 16 | 400 | 650 | 483 | 121 | 411.2 | 571.5 | 57.2 | 13 | 20 | 1 1/4 | 165 | 190 | 1 3/8 | M33 | 86 |
| 18 | 450 | 710 | 533 | 130 | 462.3 | 628.6 | 60.4 | 13 | 24 | 1 1/4 | 170 | 195 | 1 3/8 | M33 | 113 |
| 20 | 500 | 775 | 587 | 140 | 514.4 | 685.8 | 63.5 | 13 | 24 | 1 1/4 | 185 | 205 | 1 3/8 | M33 | 143 |
| 24 | 600 | 915 | 702 | 153 | 616 | 812.8 | 69.9 | 13 | 24 | 1 1/2 | 205 | 230 | 1 5/8 | M39 | 216 |
Note: All dimensions are in millimeters (mm).
DIMENSIONS TABLE
ASME B16.5 Class 400 Lap Joint Flange Dimensions
The table below provides the standard dimensions for ASME B16.5 Class 400 Lap Joint Flanges, including outside diameter (OD), flange thickness, lapped dimensions, bolt circle diameter (PCD), bolt hole details, stud bolt sizes, machine bolt lengths, and approximate weights in accordance with ASME B16.5 specifications.
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| Size (Inch) | DN (mm) | OD (A) | Hub Dia. (B) | Flange Thickness (C) | Lapped ID (D) | PCD (E) | Lapped Thickness (G) | Radius | No. of Bolts | Bolt Size (UNC) | RF Stud Length | Hole Size | ISO Stud Size | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 15 | 95 | 38 | 22 | 22.9 | 66.7 | 14.3 | 3 | 4 | 1/2 | 75 | 5/8 | M14 | 1.3 |
| 3/4 | 20 | 115 | 48 | 25 | 28.2 | 82.6 | 15.9 | 3 | 4 | 5/8 | 90 | 3/4 | M16 | 1.5 |
| 1 | 25 | 125 | 54 | 27 | 34.9 | 88.9 | 17.5 | 3 | 4 | 5/8 | 90 | 3/4 | M16 | 1.8 |
| 1 1/4 | 32 | 135 | 64 | 29 | 43.7 | 98.4 | 20.7 | 5 | 4 | 5/8 | 95 | 3/4 | M16 | 2.3 |
| 1 1/2 | 40 | 155 | 70 | 32 | 50 | 114.3 | 22.3 | 6 | 4 | 3/4 | 110 | 7/8 | M20 | 3.2 |
| 2 | 50 | 165 | 84 | 37 | 62.5 | 127 | 25.4 | 8 | 8 | 5/8 | 110 | 3/4 | M16 | 4.1 |
| 2 1/2 | 65 | 190 | 100 | 41 | 75.4 | 149.2 | 28.6 | 8 | 8 | 3/4 | 120 | 7/8 | M20 | 5.9 |
| 3 | 80 | 210 | 117 | 46 | 91.4 | 168.3 | 31.8 | 10 | 8 | 3/4 | 125 | 7/8 | M20 | 7.3 |
| 3 1/2 | 90 | 230 | 133 | 49 | 104.1 | 184.2 | 35 | 10 | 8 | 7/8 | 140 | 1 | M24 | 9.6 |
| 4 | 100 | 255 | 146 | 51 | 116.8 | 200 | 35 | 11 | 8 | 7/8 | 140 | 1 | M24 | 11.8 |
| 5 | 125 | 280 | 178 | 54 | 144.5 | 235 | 38.1 | 11 | 8 | 7/8 | 145 | 1 | M24 | 14.1 |
| 6 | 150 | 320 | 206 | 57 | 171.4 | 269.9 | 41.3 | 13 | 12 | 7/8 | 150 | 1 | M24 | 20 |
| 8 | 200 | 380 | 260 | 68 | 222.2 | 330 | 47.7 | 13 | 12 | 1 | 170 | 1 1/8 | M27 | 31 |
| 10 | 250 | 445 | 321 | 102 | 277.4 | 387.4 | 54 | 13 | 16 | 1 1/8 | 190 | 1 1/4 | M30 | 42 |
| 12 | 300 | 520 | 375 | 108 | 328.2 | 450.8 | 57.2 | 13 | 16 | 1 1/4 | 205 | 1 3/8 | M33 | 59 |
| 14 | 350 | 585 | 425 | 117 | 360.2 | 514.4 | 60.4 | 13 | 20 | 1 1/4 | 210 | 1 3/8 | M33 | 82 |
| 16 | 400 | 650 | 483 | 127 | 411.2 | 571.5 | 63.5 | 13 | 20 | 1 3/8 | 220 | 1 1/2 | M36 | 107 |
| 18 | 450 | 710 | 533 | 137 | 462.3 | 628.6 | 66.7 | 13 | 24 | 1 3/8 | 230 | 1 1/2 | M36 | 130 |
| 20 | 500 | 775 | 587 | 146 | 514.4 | 685.8 | 69.9 | 13 | 24 | 1 1/2 | 240 | 1 3/4 | M39 | 157 |
| 24 | 600 | 915 | 702 | 159 | 616 | 812.8 | 76.2 | 13 | 24 | 1 7/4 | 265 | 1 7/8 | M45 | 232 |
Note: All dimensions are in millimeters (mm).
DIMENSIONS TABLE
ASME B16.5 Class 600 Lap Joint Flange Dimensions
The table below provides the standard dimensions for ASME B16.5 Class 600 Lap Joint Flanges, including outside diameter (OD), flange thickness, lapped dimensions, bolt circle diameter (PCD), bolt hole details, stud bolt sizes, machine bolt lengths, and approximate weights in accordance with ASME B16.5 specifications.
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| Size (Inch) | DN (mm) | OD (A) | Hub Dia. (B) | Flange Thickness (C) | Lapped ID (D) | PCD (E) | Lapped Thickness (G) | Radius | No. of Bolts | Bolt Size (UNC) | RF Stud Length | Hole Size | ISO Stud Size | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 15 | 95 | 38 | 22 | 22.9 | 66.7 | 14.3 | 3 | 4 | 1/2 | 75 | 5/8 | M14 | 1.3 |
| 3/4 | 20 | 115 | 48 | 25 | 28.2 | 82.6 | 15.9 | 3 | 4 | 5/8 | 90 | 3/4 | M16 | 1.4 |
| 1 | 25 | 125 | 54 | 27 | 34.9 | 88.9 | 17.5 | 3 | 4 | 5/8 | 90 | 3/4 | M16 | 1.8 |
| 1 1/4 | 32 | 135 | 64 | 29 | 43.7 | 98.4 | 20.7 | 5 | 4 | 5/8 | 95 | 3/4 | M16 | 2.3 |
| 1 1/2 | 40 | 155 | 70 | 32 | 50 | 114.3 | 22.3 | 6 | 4 | 3/4 | 110 | 7/8 | M20 | 3.2 |
| 2 | 50 | 165 | 84 | 37 | 62.5 | 127 | 25.4 | 8 | 8 | 5/8 | 110 | 3/4 | M16 | 4.1 |
| 2 1/2 | 65 | 190 | 100 | 41 | 75.4 | 149.2 | 28.6 | 8 | 8 | 3/4 | 120 | 7/8 | M20 | 5.9 |
| 3 | 80 | 210 | 117 | 46 | 91.4 | 168.3 | 31.8 | 10 | 8 | 3/4 | 125 | 7/8 | M20 | 7.3 |
| 3 1/2 | 90 | 230 | 133 | 49 | 104.1 | 184.2 | 35 | 11 | 8 | 7/8 | 140 | 1 | M24 | 9.6 |
| 4 | 100 | 275 | 152 | 54 | 116.8 | 215.9 | 38.1 | 11 | 8 | 7/8 | 145 | 1 | M24 | 16.8 |
| 5 | 125 | 330 | 189 | 60 | 144.4 | 266.7 | 44.5 | 11 | 8 | 1 | 165 | 1 1/8 | M27 | 29 |
| 6 | 150 | 355 | 222 | 67 | 171.4 | 292.1 | 47.7 | 13 | 12 | 1 | 170 | 1 1/8 | M27 | 36 |
| 8 | 200 | 420 | 273 | 76 | 222.2 | 349.2 | 55.6 | 13 | 12 | 1 1/8 | 190 | 1 1/4 | M30 | 52 |
| 10 | 250 | 510 | 343 | 111 | 277.4 | 431.8 | 63.5 | 13 | 16 | 1 1/4 | 215 | 1 3/8 | M33 | 77 |
| 12 | 300 | 560 | 400 | 117 | 328.2 | 489 | 66.7 | 13 | 20 | 1 1/4 | 220 | 1 3/8 | M33 | 91 |
| 14 | 350 | 605 | 432 | 127 | 360.2 | 527 | 69.9 | 13 | 20 | 1 3/8 | 235 | 1 1/2 | M36 | 105 |
| 16 | 400 | 685 | 495 | 140 | 411.2 | 603.2 | 76.2 | 13 | 20 | 1 1/2 | 255 | 1 5/8 | M39 | 150 |
| 18 | 450 | 745 | 546 | 152 | 462.3 | 654 | 82.6 | 13 | 20 | 1 5/8 | 275 | 1 3/4 | M42 | 182 |
| 20 | 500 | 815 | 610 | 165 | 514.4 | 723.9 | 88.9 | 13 | 24 | 1 5/8 | 285 | 1 3/4 | M42 | 232 |
| 24 | 600 | 940 | 718 | 184 | 616 | 838.2 | 101.6 | 13 | 24 | 1 7/8 | 330 | 2 | M48 | 332 |
Note: All dimensions are in millimeters (mm).
DIMENSIONS TABLE
ASME B16.5 Class 900 Lap Joint Flange Dimensions
The table below provides the standard dimensions for ASME B16.5 Class 900 Lap Joint Flanges, including outside diameter (OD), flange thickness, lapped dimensions, bolt circle diameter (PCD), bolt hole details, stud bolt sizes, machine bolt lengths, and approximate weights in accordance with ASME B16.5 specifications.
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| Size (Inch) | DN (mm) | OD (A) | Hub Dia. (B) | Flange Thickness (C) | Lapped ID (D) | PCD (E) | Lapped Thickness (G) | Radius | No. of Bolts | Bolt Size (UNC) | RF Stud Length | Hole Size | ISO Stud Size | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 15 | 120 | 38 | 32 | 22.9 | 82.6 | 22.3 | 3 | 4 | 3/4 | 110 | 7/8 | M20 | 1.8 |
| 3/4 | 20 | 130 | 44 | 35 | 28.2 | 88.9 | 25.4 | 3 | 4 | 3/4 | 115 | 7/8 | M20 | 2.3 |
| 1 | 25 | 150 | 52 | 41 | 34.9 | 101.6 | 28.6 | 3 | 4 | 7/8 | 125 | 1 | M24 | 3.6 |
| 1 1/4 | 32 | 160 | 64 | 41 | 43.7 | 111.1 | 28.6 | 5 | 4 | 7/8 | 125 | 1 | M24 | 4.1 |
| 1 1/2 | 40 | 180 | 70 | 44 | 50 | 123.8 | 31.8 | 6 | 4 | 1 | 140 | 1 1/8 | M27 | 5.5 |
| 2 | 50 | 215 | 105 | 57 | 62.5 | 165.1 | 38.1 | 8 | 8 | 7/8 | 145 | 1 | M24 | 11.5 |
| 2 1/2 | 65 | 245 | 124 | 64 | 75.4 | 190.5 | 41.3 | 8 | 8 | 1 | 160 | 1 1/8 | M27 | 16.5 |
| 3 | 80 | 240 | 127 | 54 | 91.4 | 190.5 | 38.1 | 10 | 8 | 7/8 | 145 | 1 | M24 | 12 |
| 4 | 100 | 290 | 159 | 70 | 116.8 | 235 | 44.5 | 11 | 8 | 1 1/8 | 170 | 1 1/4 | M30 | 24 |
| 5 | 125 | 350 | 190 | 79 | 144.4 | 279.4 | 50.8 | 11 | 8 | 1 1/4 | 190 | 1 3/8 | M33 | 38 |
| 6 | 150 | 380 | 235 | 86 | 171.4 | 317.5 | 55.6 | 13 | 12 | 1 1/8 | 190 | 1 1/4 | M30 | 50 |
| 8 | 200 | 470 | 298 | 114 | 222.2 | 393.7 | 63.5 | 13 | 12 | 1 3/8 | 220 | 1 1/2 | M36 | 78 |
| 10 | 250 | 545 | 368 | 127 | 277.4 | 469.9 | 69.9 | 13 | 16 | 1 3/8 | 235 | 1 1/2 | M36 | 112 |
| 12 | 300 | 610 | 419 | 143 | 328.2 | 533.4 | 79.4 | 13 | 20 | 1 3/8 | 255 | 1 1/2 | M36 | 148 |
| 14 | 350 | 640 | 451 | 156 | 360.2 | 558.8 | 85.8 | 13 | 20 | 1 1/2 | 275 | 1 5/8 | M39 | 182 |
| 16 | 400 | 705 | 508 | 165 | 411.2 | 616 | 88.9 | 13 | 20 | 1 5/8 | 285 | 1 3/4 | M42 | 193 |
| 18 | 450 | 785 | 565 | 190 | 462.3 | 685.8 | 101.6 | 13 | 20 | 1 7/8 | 325 | 2 | M48 | 258 |
| 20 | 500 | 855 | 622 | 210 | 514.4 | 749.3 | 108 | 13 | 20 | 2 | 350 | 2 1/8 | M52 | 317 |
| 24 | 600 | 1040 | 749 | 267 | 616 | 901.7 | 139.7 | 13 | 20 | 2 1/2 | 440 | 2 5/8 | M64 | 608 |
Note: All dimensions are in millimeters (mm).
DIMENSIONS TABLE
ASME B16.5 Class 1500 Lap Joint Flange Dimensions
The table below provides the standard dimensions for ASME B16.5 Class 1500 Lap Joint Flanges, including outside diameter (OD), flange thickness, lapped dimensions, bolt circle diameter (PCD), bolt hole details, stud bolt sizes, machine bolt lengths, and approximate weights in accordance with ASME B16.5 specifications.
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| Size (Inch) | DN (mm) | OD (A) | Hub Dia. (B) | Flange Thickness (C) | Lapped ID (D) | PCD (E) | Lapped Thickness (G) | Radius | No. of Bolts | Bolt Size (UNC) | RF Stud Length | Hole Size | ISO Stud Size | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 15 | 120 | 38 | 32 | 22.9 | 82.6 | 22.3 | 3 | 4 | 3/4 | 110 | 7/8 | M20 | 1.8 |
| 3/4 | 20 | 130 | 44 | 35 | 28.2 | 88.9 | 25.4 | 3 | 4 | 3/4 | 115 | 7/8 | M20 | 2.3 |
| 1 | 25 | 150 | 52 | 41 | 34.9 | 101.6 | 28.6 | 3 | 4 | 7/8 | 125 | 1 | M24 | 3.7 |
| 1 1/4 | 32 | 160 | 64 | 41 | 43.7 | 111.1 | 28.6 | 5 | 4 | 7/8 | 125 | 1 | M24 | 4.1 |
| 1 1/2 | 40 | 180 | 70 | 44 | 50 | 123.8 | 31.8 | 6 | 4 | 1 | 140 | 1 1/8 | M27 | 5.5 |
| 2 | 50 | 215 | 105 | 57 | 62.5 | 165.1 | 38.1 | 8 | 8 | 7/8 | 145 | 1 | M24 | 9.8 |
| 2 1/2 | 65 | 245 | 124 | 64 | 75.4 | 190.5 | 41.3 | 8 | 8 | 1 | 160 | 1 1/8 | M27 | 16.4 |
| 3 | 80 | 265 | 133 | 73 | 91.4 | 203.2 | 47.7 | 10 | 8 | 1 1/8 | 180 | 1 1/4 | M30 | 21.8 |
| 4 | 100 | 310 | 162 | 90 | 116.8 | 241.3 | 54 | 11 | 8 | 1 1/4 | 195 | 1 3/8 | M33 | 33 |
| 5 | 125 | 375 | 197 | 105 | 144.4 | 292.1 | 73.1 | 11 | 8 | 1 1/2 | 250 | 1 5/8 | M39 | 59 |
| 6 | 150 | 395 | 229 | 119 | 171.4 | 317.5 | 82.6 | 13 | 12 | 1 3/8 | 260 | 1 1/2 | M36 | 75 |
| 8 | 200 | 485 | 292 | 143 | 222.2 | 393.7 | 92.1 | 13 | 12 | 1 5/8 | 290 | 1 3/4 | M42 | 118 |
| 10 | 250 | 585 | 368 | 178 | 277.4 | 482.6 | 108 | 13 | 12 | 1 7/8 | 335 | 2 | M48 | 198 |
| 12 | 300 | 675 | 451 | 219 | 328.2 | 571.5 | 123.9 | 13 | 16 | 2 | 375 | 2 1/8 | M52 | 264 |
| 14 | 350 | 750 | 495 | 241 | 360.2 | 635 | 133.4 | 13 | 16 | 2 1/4 | 405 | 2 3/8 | M56 | 341 |
| 16 | 400 | 825 | 552 | 260 | 411.2 | 704.8 | 146.1 | 13 | 16 | 2 1/2 | 445 | 2 5/8 | M64 | 454 |
| 18 | 450 | 915 | 597 | 276 | 462.3 | 774.7 | 162 | 13 | 16 | 2 3/4 | 495 | 2 7/8 | M72 | 590 |
| 20 | 500 | 985 | 641 | 292 | 514.4 | 831.8 | 177.8 | 13 | 16 | 3 | 540 | 3 1/8 | M76 | 792 |
| 24 | 600 | 1170 | 762 | 330 | 616 | 990.6 | 203.2 | 13 | 16 | 3 1/2 | 615 | 3 5/8 | M90 | 1248 |
Note: All dimensions are in millimeters (mm).
DIMENSIONS TABLE
ASME B16.5 Class 2500 Lap Joint Flange Dimensions
The table below provides the standard dimensions for ASME B16.5 Class 2500 Lap Joint Flanges, including outside diameter (OD), flange thickness, lapped dimensions, bolt circle diameter (PCD), bolt hole details, stud bolt sizes, machine bolt lengths, and approximate weights in accordance with ASME B16.5 specifications.
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| Size (Inch) | DN (mm) | OD (A) | Hub Dia. (B) | Flange Thickness (C) | Lapped ID (D) | PCD (E) | Lapped Thickness (G) | Radius | No. of Bolts | Bolt Size (UNC) | RF Stud Length | Hole Size | ISO Stud Size | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 15 | 135 | 43 | 40 | 22.9 | 88.9 | 30.2 | 3 | 4 | 3/4 | 120 | 7/8 | M20 | 3.2 |
| 3/4 | 20 | 140 | 51 | 43 | 28.2 | 95.2 | 31.8 | 3 | 4 | 3/4 | 125 | 7/8 | M20 | 3.7 |
| 1 | 25 | 160 | 57 | 48 | 34.9 | 108 | 35 | 3 | 4 | 7/8 | 140 | 1 | M24 | 5.0 |
| 1 1/4 | 32 | 185 | 73 | 52 | 43.7 | 130.2 | 38.1 | 5 | 4 | 1 | 150 | 1 1/8 | M27 | 7.5 |
| 1 1/2 | 40 | 205 | 79 | 60 | 50 | 146 | 44.5 | 6 | 4 | 1 1/8 | 170 | 1 1/4 | M30 | 10 |
| 2 | 50 | 235 | 95 | 70 | 62.5 | 171.4 | 50.9 | 8 | 8 | 1 | 180 | 1 1/8 | M27 | 17.5 |
| 2 1/2 | 65 | 265 | 114 | 79 | 75.4 | 196.8 | 57.2 | 8 | 8 | 1 1/8 | 195 | 1 1/4 | M30 | 23 |
| 3 | 80 | 305 | 133 | 92 | 91.4 | 228.6 | 66.7 | 10 | 8 | 1 1/4 | 220 | 1 3/8 | M33 | 37.8 |
| 4 | 100 | 355 | 165 | 108 | 116.8 | 273 | 76.2 | 11 | 8 | 1 1/2 | 255 | 1 5/8 | M39 | 57 |
| 5 | 125 | 420 | 203 | 130 | 144.4 | 323.8 | 92.1 | 11 | 8 | 1 3/4 | 300 | 1 7/8 | M45 | 95 |
| 6 | 150 | 485 | 235 | 152 | 171.4 | 368.3 | 108 | 13 | 8 | 2 | 345 | 2 1/8 | M52 | 148 |
| 8 | 200 | 550 | 305 | 178 | 222.2 | 438.2 | 127 | 13 | 12 | 2 | 380 | 2 1/8 | M52 | 221 |
| 10 | 250 | 675 | 375 | 229 | 277.4 | 539.8 | 165.1 | 13 | 12 | 2 1/2 | 490 | 2 5/8 | M64 | 425 |
| 12 | 300 | 760 | 441 | 254 | 328.2 | 619.1 | 184.2 | 13 | 12 | 2 3/4 | 540 | 2 7/8 | M72 | 500 |
Note: All dimensions are in millimeters (mm).
pressure ratings
ASME B16.5 Lap Joint Flange Pressure Ratings
Manibhadra Metals provides a comprehensive ASME B16.5 Lap Joint Flange Pressure Ratings Chart for Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, and Class 2500 pressure classes. The table below displays the maximum allowable working pressure (PSIG) at various operating temperatures from -20°F to 1000°F, helping engineers and buyers select the appropriate pressure class for industrial piping applications in accordance with ASME B16.5 standards.
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| ASME B16.5 Lap Joint Flange Pressure Ratings (PSIG) | |||||||
|---|---|---|---|---|---|---|---|
| Temperature (°F) |
Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
| -20 to 100 | 285 | 740 | 985 | 1480 | 2220 | 3705 | 6170 |
| 200 | 260 | 680 | 905 | 1360 | 2035 | 3395 | 5655 |
| 300 | 230 | 655 | 870 | 1310 | 1965 | 3270 | 5450 |
| 400 | 200 | 635 | 845 | 1265 | 1900 | 3170 | 5280 |
| 500 | 170 | 605 | 805 | 1205 | 1810 | 3015 | 5025 |
| 600 | 140 | 570 | 755 | 1135 | 1705 | 2840 | 4730 |
| 650 | 125 | 550 | 730 | 1100 | 1650 | 2745 | 4575 |
| 700 | 110 | 530 | 710 | 1060 | 1590 | 2655 | 4425 |
| 750 | 95 | 505 | 675 | 1015 | 1520 | 2535 | 4230 |
| 800 | 80 | 410 | 550 | 825 | 1235 | 2055 | 3430 |
| 850 | 65 | 320 | 425 | 640 | 955 | 1595 | 2655 |
| 900 | 50 | 230 | 305 | 460 | 690 | 1150 | 1915 |
| 950 | 35 | 135 | 185 | 275 | 410 | 685 | 1145 |
| 1000 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
Note: Pressure ratings are expressed in PSIG (Pounds per Square Inch Gauge) and are based on the ASME B16.5 standard for Lap Joint Flanges. Values indicate the maximum allowable working pressure at the corresponding operating temperature.
RANGE TABLE
Explore Our Complete Range of Lap Joint Flanges
Explore Our Complete Range of ASME B16.5 Lap Joint Flanges Available in Multiple Materials, Standards, Pressure Ratings, and Industrial Configurations.
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| Category | Available Types / Specifications |
|---|---|
| ASME / ANSI Standards | ASME B16.5 Lap Joint Flange, ANSI B16.5 Lap Joint Flange, Lap Joint Flange ASME B16.5, Lap Joint Flange B16.5, Lap Joint Pipe Flanges, Lap Joint Weld Flange |
| Pressure Ratings | Lap Joint Flange Class 150, Lap Joint Flange Class 300, Lap Joint Flange Class 600, Lap Joint Flange PN10, Lap Joint Flange PN16 |
| Face Types | Lap Joint Flange Raised Face, Lap Joint Raised Face Flange, Lap Joint Flange Flat Face, Lap Joint Flange RF Type, RF Lap Joint Flange, RTJ Lap Joint Flange, Lap Joint Flange RTJ |
| International Standards | Lap Joint Flange EN 1092-1, Lap Joint Flange B16.47, Lap-Joint Flange UNI 6090 |
| Materials | Lap Joint Flange Stainless Steel, Lap Joint Flange Carbon Steel, Lap Joint Flange Material |
| Stub End & Ring Types | Lap Joint Stub End Flanges, Lap Joint Flange Stub End, Lap Joint Flange Ring, Lap Joint Ring Flange |
| Industrial Configurations | Lap Joint Pipe Flanges, Lap Joint Weld Flange, Lap Joint Weld Neck Flange, Lap Joint Flanges Welding, Lap Joint Flange Gasket, Lap Joint Flange Torque |
| Special Types | Lap Joint Flange Type C, Lap Joint Flange Type B |
Lap Joint Flange Types, Standards & Specifications
| Category | Available Types / Specifications |
|---|---|
| ASME / ANSI Standards | ASME B16.5 Lap Joint Flange, ANSI B16.5 Class 150 Lap Joint Flanges, ASME B16.5 Lap Joint Flange, JIS 10K Lap Joint Flange |
| Material Grades | Stainless Steel Lap Joint Flanges, SS Lap Joint Flanges, Stainless Lap Joint Flanges, Carbon Steel Lap Joint Flanges, CS Lap Joint Flanges, A105 Lap Joint Flange, Aluminium Lap Joint Flange, Copper Nickel Lap Joint Flange, Titanium Lap Joint Flange |
| Pressure Ratings | 150 LB Lap Joint Flange, 300 LB Lap Joint Flange, Class 600 Lap Joint Flange, PN10 Lap Joint Flange, PN16 Lap Joint Flange |
| Face Types | Raised Face Lap Joint Flange, Lap Joint Raised Face Flange, Flat Face Lap Joint Flange, Lap Joint RF Flange |
| Configurations | Lap Joint Loose Flange, Loose Lap Joint Flange, Lap Joint Type Flange, Lap Joint Slip On Flange, Lap Joint Blind Flange, Stub End Lap Joint Flanges, Lap Joint Ring Flange, Lap Joint Split Flange |
| Industrial Types | Ductile Iron Lap Joint Flanges, Galvanized Lap Joint Flanges, Lap Joint Swivel Flange, Type B Lap Joint Flange, Type C Lap Joint Flange |
| Large Sizes | 30 Inch Lap Joint Flange, 36 Inch Lap Joint Flange |
| Commercial Information | Lap Joint Flange Material, Lap Joint Flange Gasket, Lap Joint Flange Dimensions, Lap Joint Flange Weight Chart |
TYPES
Explore Other Types Of Flanges
Discover a complete range of flange designs engineered for different pressure classes, piping systems, and industrial applications.
KNOWLEDGE BASE
Frequently Asked Questions
What is a Lap Joint Flange?
A Lap Joint Flange is a two-piece flange assembly consisting of a loose backing flange and a stub end. It is designed for piping systems that require frequent dismantling, inspection, or alignment, making it ideal for low-pressure and non-critical applications.
What are the advantages of using Lap Joint Flanges?
Lap Joint Flanges offer several advantages, including easy alignment during installation, reduced bolt hole matching issues, reusability of the backing flange, lower overall costs with expensive alloy piping, and simplified maintenance.
What materials are available for Lap Joint Flanges?
Manibhadra Metals manufactures Lap Joint Flanges in Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Nickel Alloys, Inconel, Monel, Hastelloy, Titanium, Aluminium, Copper, Brass, and Copper Nickel in accordance with ASTM and ASME standards.
What pressure classes are available for Lap Joint Flanges?
We supply Lap Joint Flanges in Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, and Class 2500, as well as PN10, PN16, PN25, PN40, PN64, and higher pressure ratings depending on the standard.
Why choose Manibhadra Metals for Lap Joint Flanges?
Manibhadra Metals is a trusted manufacturer and supplier of ASME B16.5 Lap Joint Flanges in India, offering premium-quality products, a wide range of material grades, international standards compliance, competitive pricing, ready stock, fast delivery, and worldwide export services.
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