E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
Jul. 04, 2025
A flat face flange, also known as a raised face flange, is a flange that has a smooth flat surface on the mating side (where the gasket or sealing surface is located). This flat surface provides a flat surface against which the gasket can be compressed to form a seal between the two flanges. Flat face flanges are often used in piping systems and pressure vessels where a safe and reliable seal is required.
Flat face flanges are one of the most common flange types used in the industrial sector. It is designed to provide a simple and effective way to connect two pipes or components together. There is a ridge in the center of the flange that helps to properly position the gasket and ensure that the mating flanges are properly aligned.
When installing a flat face flange, a gasket is placed between the two mating surfaces to form a seal. This gasket can be made of a variety of materials, such as rubber, fiber, or metal, depending on the application and the media being contained. The flat surface of the flange allows for a tight seal, which is critical to maintaining the integrity of the system in which it is used.
Flat face flanges are available in a variety of sizes and pressures and can be made from a variety of materials, including carbon steel, stainless steel, and other alloys. They are suitable for a variety of applications, including water, oil, gas, and chemical services.
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Industry News
Aug. 07, 2026
Advantages of seamless carbon steel elbows
The raw material for seamless carbon steel elbows is seamless steel pipe. The main production process involves heating and piercing a round tube billet, then rolling it using three-roll cross rolling, continuous rolling, or extrusion to set (or reduce) the outer diameter of the pipe. After cooling, it is straightened. It undergoes direct hydrostatic testing (or flaw detection), is marked, and then stored. Schxx represents the wall thickness grade; 180e (S) indicates a short-radius 180° carbon steel elbow, and 180e (L) indicates a long-radius 180° elbow; 90E (S) indicates a short-radius 90° carbon steel elbow, and 90e (L) indicates a long-radius 90° elbow; 45
Industry News
Aug. 05, 2026
180° carbon steel pipe elbow manufacturing process
The most common manufacturing process for carbon steel pipe bends is hot forming. Hot forming is divided into two types: hot push bending and hot heating bending. Our 180° carbon steel pipe bends are manufactured using the hot push process. The process flow diagram is shown below.
Industry News
Aug. 03, 2026
What are the advantages of using sliding flanges?
A sliding flange is a type of slip-on flange. Slip-on welding involves welding only the outer layer, not the inner layer. Slip-on flanges are typically used for medium- and low-pressure pipelines with a nominal pressure less than 2.5 MPa. There are four types of sealing faces for slip-on flanges: flat face, raised face (RF), FM/M, and tongue and groove (TG). Flat face is the most widely used and the cheapest. A sliding flange is a slip-on flange with a short neck. Carbon steel sliding flanges, or SO flanges, are generally cheaper than welded neck flanges, which is why customers often choose sliding flanges. As the name suggests, a sliding flange fits over a
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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