Humble forging LLP is a leading manufacturer of high-quality flanges for use in piping systems. With decades of experience in the industry, we have a reputation for producing reliable, durable flanges that meet the stringent standards of our customers.
Manufacturing Standards of Flanges:
ANSI B16.5: This is an American National Standards Institute (ANSI) standard that specifies the dimensions and tolerances of flanges for pipes, valves, and fittings in the ANSI system. ANSI B16.5 Flanges Catalogue
DIN: DIN (Deutsches Institut für Normung) is a German standardization organization that develops and publishes technical standards for a wide range of industries, including the piping industry. DIN Flanges Catalogue
JIS: JIS (Japanese Industrial Standard) is a Japanese standardization organization that develops and publishes technical standards for a wide range of industries, including the piping industry. JIS Flanges Catalogue
GOST: GOST (Gosudarstvennyy Standart) is a Russian standardization organization that develops and publishes technical standards for a wide range of industries, including the piping industry.
EN: EN (European Norm) is a standard that is used in many European countries and specifies the dimensions and tolerances of flanges for use in piping systems. EN Flanges Catalogue
BS: BS (British Standard) is a standard that is used in the United Kingdom and specifies the dimensions and tolerances of flanges for use in piping systems. BS Flanges Catalogue
Our state-of-the-art manufacturing facility is equipped with the latest technology and equipment, allowing us to produce a wide range of flanges in a variety of materials, including Carbon steel, Stainless Steel, Alloy Steel, Copper Alloy and Nickel Alloy. We use advanced forging techniques to ensure the strength and integrity of our flanges, and we subject them to rigorous testing to ensure they meet the required quality standards.
In addition to meeting the required standards, we are also committed to providing excellent customer service and technical support. Our team of experienced engineers is available to assist with the design and selection of flanges to meet the specific needs of our customers.
Industries We Serve:
Oil & Gas.
Aerospace.
Pharmaceutical
Ship Building.
Fertilizer Industry.
Wastewater.
Chemical.
Power (Nuclear, Natural Gas, Wind, Solar).
Food Processing.
Whether you are in need of a single flange or a large order, we have the expertise and capacity to meet your needs. Contact us today to learn more about how we can help you with your flange requirements.
Material Grade:
Carbon Steel : | ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706 |
Alloy Steel : | ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91 |
Stainless Steel : | ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L |
Duplex & Super Duplex Steel : | ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61 |
Copper Alloy : | ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No.C 10100, 10200, 10300, 10800, 12000, 12200 |
Nickel Alloy : | ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020) |
Weld Neck Flange
A weld neck flange, one of the most common types of flanges, features a long inching hub that can be welded with a pipe. This flange type is used, typically, in high-pressure and high/ low temperatures applications
Weld neck flanges are a type of flange that is designed to be welded onto the end of a pipe. They have a long tapered neck that is designed to be welded to the pipe, and a circular base that provides a seating surface for the mating flange.
Weld neck flanges are used in a variety of applications, including high-pressure and high-temperature systems, and are known for their strength and durability. They are often used in conjunction with a gasket and bolts to create a leak-tight seal between two flanges.
Weld neck flanges are available in a range of sizes and materials, including carbon steel, stainless steel, and alloy steel. They are typically manufactured by forging or casting, and may be finished with various surface treatments such as galvanizing or chrome plating to improve their corrosion resistance.
that want an unrestricted inflow of the fluid conveyed by the pipeline. The absence of pressure drops prevents negative things like turbulence and corrosion/ erosion of the raw material in the proximity of the flange joints. The tapered base allows a smooth distribution of the mechanical stress between the pipe and the weld neck flange and facilitates the prosecution of radiographic examinations to detect possible leakages and welding scars.
The dimension of the Industrial Flange (schedule & NPS) shall match the dimensions of the connecting pipes. Thus, when ordering Steel welding neck flanges, the Customers shall inform the suppliers about the nominal sizes and wall density of the connecting pipes. A Industrial welding neck flanges are connected to a pipe by a single full penetration V-shaped butt weld.
Slip-On Flange
Slip-on flanges are flanges that are designed to be slipped over the end of a pipe and then welded in place. They are commonly used in low-pressure piping systems, such as water and air lines, and are relatively easy to install.
Slip-on flanges have a hole in the center that is slightly larger than the outside diameter of the pipe. They are slipped over the end of the pipe and then welded to the pipe along the inside and outside edges of the flange. This creates a secure connection between the flange and the pipe.
One of the main advantages of slip-on flanges is that they are relatively easy to install. They do not require any special tools or equipment, and can be easily welded to the pipe using standard welding techniques. Slip-on flanges are also relatively inexpensive compared to other types of flanges.
However, slip-on flanges are not suitable for high-pressure or high-temperature applications, as they do not have the same level of strength and durability as other types of flanges. They are also not as resistant to corrosion as some other types of flanges.
Socket Weld Flange
Socket weld flanges are flanges that are designed to be welded to the end of a pipe using a socket weld. They are commonly used in high-pressure piping systems and are suitable for use in a variety of industries, including the oil and gas industry, power plants, and waterworks.
Socket weld flanges have a small bore and a raised face, and are designed to be welded to the end of a pipe using a socket weld. The pipe is inserted into the socket of the flange and then welded in place, creating a strong and secure connection.
One of the main advantages of socket weld flanges is their ability to handle high pressure and temperature. They are also highly durable and resistant to corrosion. However, they are more difficult to install than some other types of flanges, as they require special tools and equipment to weld the pipe to the flange.
There are several types of socket weld flanges, including raised face socket weld flanges and ring type joint socket weld flanges. The type of socket weld flange used in a particular application depends on the specific requirements of the system in which it will be used, including the operating temperature and pressure, the type of media being transported, and the required strength and durability of the connection.
Lap Joint Flange
Lap joint flanges are flanges that are designed to be used in conjunction with lap joint stub ends. They are commonly used in low-pressure piping systems and are relatively easy to install.
Lap joint flanges have a hole in the center and a radius at the bottom of the flange. They are designed to be used with lap joint stub ends, which are fittings that have a radius at the top and a flat face at the bottom. The lap joint stub end is welded to the pipe, and the lap joint flange is then slipped over the stub end and secured in place using bolts.
One of the main advantages of lap joint flanges is that they are relatively easy to install and remove, as they do not require any welding. They are also relatively inexpensive compared to other types of flanges. However, lap joint flanges are not suitable for high-pressure or high-temperature applications, as they do not have the same level of strength and durability as other types of flanges. They are also not as resistant to corrosion as some other types of flanges.
Threaded Flange
Threaded flanges are flanges that have threads around the inside of the flange. They are designed to be used with pipes that have threads on the outside of the pipe, and are secured in place using bolts.
Threaded flanges are commonly used in low-pressure piping systems, such as water and air lines, and are relatively easy to install. They are also relatively inexpensive compared to other types of flanges.
One of the main advantages of threaded flanges is that they are relatively easy to install and remove, as they do not require any welding. They are also relatively inexpensive compared to other types of flanges. However, threaded flanges are not suitable for high-pressure or high-temperature applications, as they do not have the same level of strength and durability as other types of flanges. They are also not as resistant to corrosion as some other types of flanges.
There are several types of threaded flanges, including raised face threaded flanges and ring type joint threaded flanges. The type of threaded flange used in a particular application depends on the specific requirements of the system in which it will be used, including the operating temperature and pressure, the type of media being transported, and the required strength and durability of the connection.
Blind Flange
Blind flanges are flanges that have a solid disk at the center and are used to block off a pipeline or pressure vessel. They are commonly used in piping systems to isolate a section of the system or to allow maintenance to be performed on the system without having to drain it.
Blind flanges have a hole in the center that is slightly larger than the outside diameter of the pipe. They are installed by slipping the flange over the end of the pipe and securing it in place using bolts. The flange is then tightened down to create a seal between the flange and the pipe.
One of the main advantages of blind flanges is that they can be used to quickly and easily isolate a section of a piping system. They are also relatively inexpensive compared to other types of flanges. However, blind flanges are not suitable for use in high-pressure or high-temperature applications, as they do not have the same level of strength and durability as other types of flanges. They are also not as resistant to corrosion as some other types of flanges.
There are several types of blind flanges, including raised face blind flanges and ring type joint blind flanges. The type of blind flange used in a particular application depends on the specific requirements of the system in which it will be used, including the operating temperature and pressure, the type of media being transported, and the required strength and durability of the connection.
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