E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
Jun. 11, 2025
A flange on a pipe is a raised edge, rib, or collar that is used to connect sections of a pipe, a pipe to a valve, a pipe to a pump, etc. Flanges make pipes easy to assemble and disassemble, and also allow accessories, such as in-line strainers or pressure gauges, to be inserted into the line.
The following are the main features and functions of pipe flanges:
Design
- Profile: Flanges typically have a flat circular plate with bolt holes or slots, and a raised face or ring that provides a bearing surface for gaskets.
- Materials: Flanges can be made from a variety of materials, including carbon steel, stainless steel, cast iron, and other alloys, depending on the application requirements and the fluid being conveyed.
Function
- Connection: Flanges are bolted together, and gaskets are placed between the flanges to provide a seal. This allows for easy disassembly for maintenance or inspection without cutting the pipe.
- Seal: Gaskets help prevent leaks between flange surfaces.
- Pressure-bearing: Flanges are designed to withstand the internal pressure of the pipe and provide a secure connection.
- Fittings: Flanges provide a convenient connection point for connecting instruments such as pressure gauges or flow meters to the pipe system.
Flange Types
- Weld Neck Flange: Used in critical applications and for high pressure and temperature conditions.
- Slip-On Flange: Slips onto the end of a pipe and is usually welded in place.
- Blind Flange: Has no holes and is used to block the ends of pipes, valves and pressure vessels.
- Socket Weld Flange: Used for smaller diameter pipes, welded to the pipe and the pipe fits into the socket of the flange.
- Threaded Flange: Has threads on the boss that screw onto the end of the pipe, usually used in small high pressure applications.
- Lap Flange: Used with short pipe ends and can be rotated to make it easier to align bolt holes.
Applications:
Flanges are used in a wide range of applications, including oil and gas, chemicals, power generation and water treatment. Flanges are an important part of piping systems that require frequent disassembly and assembly during maintenance, inspection or system changes.
In summary, flanges on pipes are critical components that connect and disconnect pipe segments, valves and other equipment in piping systems. The design of the flange, including the choice of material and shape, is intended to ensure the integrity of the system under actual operating conditions.
Cangzhou Aosendik Pipe Fittings Manufacturing Co., Ltd. is a large manufacturer specializing in the production of elbows, tees, reducers, elbows and caps. We can implement ASTM, ANSI, JIS, DIN, GB and other standards, basically covering all types of steel. If you have any purchasing needs or questions, please contact us. Mobile: 86-13668807131 Website: https://www.authenticfitting.com/ Address: Mengcun Hui Autonomous County, Cangzhou City, Hebei Province Email: authentic013@steelpipes-fitting.com
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Authentic is here to help you find the right pipe fittings and flanges for your specific needs.
FAQ
What certifications do your products have?
Our products comply with international standards such as ASTM, ANSI, JIS, DIN, and GB. We also hold various certifications to assure quality and reliability, including ISO 9001.
How can I get some samples?
If you need, we will offer you samples for free, but new customers are expected to pay express charge.
To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru, USA, Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.)
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Our team at Authentic is here to help you find the right pipe fittings and flanges for your specific needs.
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authentic013@steelpipes-fitting.com
+86 13668807131
Donghe Industrial Zone, Mengcun County, Cangzhou City, Hebei Province
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