Large Diameter Flanges Supplier

Large-Diameter Flanges

What are Large-Diameter Flanges?

Large-diameter flanges are types of metal discs with protruding rims. They are made from steel, aluminium, and copper, but steel flanges are the most popular variety.

The size of large-diameter flanges ranges from 26 to 60 inches, and pipes need to be of a similar diameter to fit the flanges. Flanges come in different designs, such as slip-on, weld-neck, threaded, blind, and socket-weld flanges.

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Applications of Large-Diameter Flanges

Large-diameter flanges are essential in the oil and gas industry and are used in pipes carrying natural gas, petroleum, and other fluids. The flanges join pipes to valves or other pipe components such as fittings.

In addition, they are employed in constructing power plants, chemical plants, and water treatment facilities. large diameter flanges are also used in marine and aviation industries, and Also We offer various kinds of Flanges like Groove & Tongue Flanges, Square Flanges etc.

Benefits of Using Large-Diameter Flanges

Using large-diameter flanges comes with several benefits. One of the biggest benefits is their ability to withstand high-pressure environments, making them ideal for pipeline use.

The pressure load is evenly distributed through the flanges, thus reducing the chances of pipe damage or failure. Additionally, large-diameter flanges can handle different kinds of fluids, from highly corrosive and volatile products to more stable substances. Another benefit of large diameter custom flanges is their durability, which means they do not require frequent replacements, saving operators time and money. There are Different types of Products available like SORF Flanges, SWRF Flanges etc.

Large diameter Flanges

Types of Large-Diameter Flanges

large diameter flange dimensions come in different designs to suit various applications. Slip-on flanges are simple to install and remove, making them ideal for temporary connections.

Weld-neck flanges are strong and work well when pipes and tube sections have high pressure or temperature differentials. Threaded flanges are versatile and able to handle high pressures and blind flanges are used to close off the ends of pipes when not in use.

What materials are Large Diameter Flanges available in?

Large Diameter Flanges can be manufactured from various materials, including carbon steel, stainless steel, alloy steel, and even specialized materials like PVC or HDPE for specific applications. The choice of material depends on factors such as the fluid being transported, temperature, and pressure conditions.

How are Large Diameter Flanges installed and maintained?

Large Diameter Flanges are typically installed using bolts and nuts. Proper torque values and gaskets are essential for creating a leak-free seal. Maintenance involves regular inspection for signs of wear, corrosion, or damage.

Can Large Diameter Flanges be customized for specific applications?

Yes, Large Diameter Flanges can be customized to meet the specific requirements of a given application. Customization may involve using non-standard materials, facing types, or pressure ratings to suit the needs of a particular piping system.

Specification of Large Diameter Flanges

  • Size : 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
  • Dimensions : ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS SP44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
  • Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
  • DIN : DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638, DIN 2673
  • BS : BS 4504, BS 4504, BS 1560, BS 10
  • Pressure : PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160
  • JIS : JIS B2220, JIS B2221, 5K, 10K, 16K, 20K, 30K, 40K, 63K
  • Connect Type/ Flange Face Type : Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Small Male-Female (SMF)

Large Diameter Flanges Material & Grades

Stainless Steel Large Diameter Flanges :
ASTM A182, F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L, SMO 254

Duplex & Super Duplex Steel Large Diameter Flanges :
ASTM / ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61 / Duplex 2205 – UNS S31803, UNS S32205 / Super Duplex 2507 – UNS S32750, UNS S32760

Hastelloy Large Diameter Flanges :
ASTM B/SB564, Hastelloy B2 – UNS No. N10665, Hastelloy B3 – UNS No. N010675, Hastelloy C4 – UNS No. N06455, Hastelloy C22 – UNS No. N06022, Hastelloy C276 – UNS No. N10276, Hastelloy C2000 – UNS No. N06200, Hastelloy X – UNS No. N06002

Inconel Large Diameter Flanges : ASTM B564, Inconel 600 – UNS No. N06600, Inconel 601 – UNS No. N06601, Inconel 625 -UNS No. N06625, Inconel 715, Inconel 718 – UNS No. N07718, Incoloy 800 / 800H /800HT – (UNS No. N08800 / N08810 / N08811), Incoloy 825 – UNS No. N08825, Incoloy 925 – UNS No. N09925

Monel Large Diameter Flanges :
ASME SB 564, Monel 400 – UNS No. N04400, Monel K500 – UNS No. N05500

Nickel Large Diameter Flanges : Nickel 200 – UNS No. N02200 , Nickel 201 – UNS No. N02201

Titanium Large Diameter Flanges :
ASTM B381 / ASME SB381, Grade 2 – UNS No. R50400, Grade 5 – UNS No. R56400

Alloy 20 Large Diameter Flanges :
ASTM B462 / ASME SB462, Grade 2 – UNS No. N08020

ANSI/ASME Large Diameter Flanges

  • ANSI B16.5 Large Diameter Flanges
  • ASME B16.5 Large Diameter Flanges
  • ANSI B16.47 Large Diameter Flanges
  • ASME B16.47 Large Diameter Flanges
  • ANSI B16.47 Series A Large Diameter Flanges
  • ANSI B16.47 Series B Large Diameter Flanges
  • API standard Large Diameter Flange

EN/PED Large Diameter Flanges

  • DIN2573, DIN2576 Large Diameter Flanges
  • DIN2527 Large Diameter Flanges
  • DIN2573, DIN2576 Large Diameter Flange
  • EN1092-1 F304/F304L Large Diameter Flange
  • DIN2634 Large Diameter Flanges
  • DIN2633 Large Diameter Flanges EN1092-1 steel Large Diameter Flanges
  • EN1092-1 TYPE05 Large Diameter Flanges
  • EN1092-1 TYPE 11B Large Diameter Flanges
  • EN1092-1 type11B PN10 DN400 Large Diameter Flange

BS Large Diameter Flanges

  • BS4504 code 105 Large Diameter Flanges
  • BS4504 code 101 Large Diameter Flanges
  • BS4504 code 111 Large Diameter Flanges

JIS Large Diameter Flanges

  • JIS B2220 Large Diameter Flange
  • JIS B2220 5K Large Diameter Flange
  • JIS JIS B2220 10K Large Diameter Flanges
  • JIS B2220 16K Large Diameter Flanges
  • JIS B2220 20K Large Diameter Flanges
  • JIS B2291 Large Diameter Flanges

Flange Standard

  • API 6A Large Diameter Flange
  • ANSI  Large Diameter Flange
  • ASME Large Diameter Flange
  • DIN Large Diameter Flange
  • EN1092-1 Large Diameter Flange
  • UNI Large Diameter Flange
  • JIS/KS Large Diameter Flange
  • BS4504 Large Diameter Flange
  • GB Large Diameter Flange
  • AWWA C207 Large Diameter Flange
  • GOST Large Diameter Flange
  • PSI Large Diameter Flange

Contact us to get a quick quote for your requirement.

We offer These Large Diameter Flanges as per ASTM, ASME and API.

Other types of Large Diameter Flanges Stock

  • Duplex S32205 Raised Faced Large Diameter Flanges
  • UNS S31803 Duplex Steel Class 150 Large Diameter Flange
  • UNS S32750 Large Diameter Raised Faced Flanges
  • Monel 400 Large Diameter Flange 600#
  • Incoloy 825 Large Diameter Flange
  • 600 Inconel EN 1092-2 PN16 Large Diameter Flange
  • 316L Stainless Steel Large Diameter Flanges
  • Duplex 2205 BS4504 PN16 Large Diameter Flange
  • SS 304L AWWA C207 Class E Large Diameter Flanges
  • Stainless Steel 304 Industrial Large Diameter Flanges
  • Inconel 625 Class 300 Flat Faced Large Diameter Flanges
  • Super Duplex Steel S32760 Large Diameter Flanges
  • Stainless Steel 316 Large Diameter Flanges
  • Incoloy 800 Class 150 Large Diameter Flanges
  • ASTM A182 F317 Stainless Steel Large Diameter Flange
  • 321H Stainless Steel Large Diameter Flanges
  • Stainless Steel Large Diameter Flange Dimensions PN16
  • Titanium Gr 5 BS4504 PN16 Large Diameter Flanges
  • ASME B16.47 Stainless Steel Large Diameter Flanges
  • Hastelloy C276 JIS 5K Large Diameter Flanges
  • Stainless Steel 446 Large Diameter Flange
  • Titanium Grade 2 JIS B2220 Large Diameter Flanges
  • ANSI B16.5 Stainless Steel 904L Large Diameter Flange
  • ASTM A182 F347 SS BS 10 Table E Large Diameter Flange

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Exporter of Large Diameter Flange in the following Destinations


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  • Ireland
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  • Malaysia
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