Steel Flange
Weld Neck Flange
video
Description
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Standard |
ANSI, MSS, AWWA, DIN, UNI, JIS, BS, SABS, EN1092, GOST, also we can produce according to customers’ drawings. |
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Size |
15mm to 5,000mm. |
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Flange Facing |
RF, FF, RTJ. etc. |
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Materials |
Carbon steel, stainless steel and alloy steel. |
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Process |
FORGED. |
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Painting |
yellow paint, black paint, anti-rust oil or zinc coated. |
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Packing |
Sea-worthy Plywood cases or Pallet with polyethylene film or as customers’ request. |
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Product Name
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Steel Flange
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Types
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Plate, Welding Neck, Slip on, Blind, Lap joint, Threaded Flange
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Face Finish
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RF,FF,RTJ,TF,GF
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Standard
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ANSI
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ANSI B16.5 ASME B16.47 series A/B
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DIN
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DIN 2631 2573 2527 2565 2641
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GOST
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GOST 12820-80,GOST 12821-80,Gost Blind
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EN
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EN1092-1:2002
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JIS
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JIS B2220-2004, KS D3576, KS B6216,KS B1511-2007,JIS B2261; JIS B8210
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BS
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BS4504,BS10 Table D/E
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UNI
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UNI 2253-67,UNI6091-67,UNI2276-67,UNI2280-67,UNI6089-67
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SABS
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SABS 1123
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Material
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ANSI
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CS A105/SA 105N,SS 304/304L,316/316L Alloy Steel: WHPY45/52/65/80
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DIN
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CS RST37.2;S235JR SS 304/304L,316/316L
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GOST
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CS CT20;16MN;SS 304/304L,316/316L
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EN
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CS RST37.2;S235JR;C22.8SS 304/304L,316/316L
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JIS
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CS SS400,SF440,SS 304/304L, 316/316L
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BS
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CSRST37.2;S235JR;C22.8;Q235SS 304/304L,316/316L
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UNI
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CSRST37.2;S235JR;C22.8;Q235SS 304/304L,316/316L
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SABS
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CSRST37.2;S235JR;Q235;SS 304/304L,316/316L
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Pressure
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ANSI
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Class 150, 300, 600, 900, 1500 2500lbs
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DIN
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PN6,PN10,PN16,PN25,PN40,PN64,PN100
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GOST
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PN6,PN10,PN16,PN25
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EN
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PN6,PN10,PN16,PN25,PN40,PN64,PN100
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JIS
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1K,2K,5K,10K,16K,20K,30K,40K
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BS
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PN6,PN10,PN16,PN25,PN40,PN64,PN100
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UNI
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PN6,PN10,PN16,PN25,PN40
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SABS
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600KPA,1000,1600,2500,4000
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Size
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ANSI
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1/2” – 60”
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DIN
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DN15-DN2000
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GOST
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DN10-DN1600
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EN
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DN15-DN2000
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JIS
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15A-1500A
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BS
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DN15-DN2000
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UNI
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DN10-DN2000
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SABS
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DN10-DN600
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Coating
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varnish, yellow paint, anti-rust oil, galvanizing etc
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Usage
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Used for the connection of all kinds of pipeline.
to convey the water, steam, air, gas and oil
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Package
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Wooden cases/pallets
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Delivery
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Within 30 days
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Certificate
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ISO9001:2008
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Weld neck flanges are a type of flange that is designed to be welded onto the end of a pipe or fitting. These flanges are often used in high-pressure or high-temperature applications where a strong, reliable connection is required. Weld neck flanges are typically made from materials such as carbon steel, stainless steel, and alloy steel, and can come in a variety of sizes and thicknesses to suit different applications.
One of the advantages of weld neck flanges is that they provide a high level of strength and durability. Because they are welded directly onto the pipe or fitting, there is no risk of the flange coming loose or separating from the pipe under high pressure or temperature. This makes them a popular choice for use in industries such as oil and gas, petrochemical, and power generation.
Another advantage of weld neck flanges is that they provide a smooth transition from the pipe to the flange. This helps to reduce turbulence and flow resistance, which can improve overall system performance and efficiency. Weld neck flanges can also be customized to include features such as raised faces, anti-corrosion coatings, and special finishes to suit different applications.
Despite their many benefits, weld neck flanges are not suitable for all applications. They are typically more expensive than other types of flanges, and their welded design can make them difficult to replace or modify in the event of a problem. Additionally, because they require a welding process to install, they can add time and cost to the overall installation process.
Overall, weld neck flanges are a reliable and effective choice for high-pressure and high-temperature applications where strength and durability are essential. With their customizability and smooth transitions, they can provide a significant advantage in terms of system performance and efficiency. However, careful consideration should be given to their cost and installation requirements before making a final decision.
