Manufacturer of Flange
Rizhao Azure-B Supply Chain Co.,Ltd is the top steel pipe stockist and distributor in China. As a first-tier agency of several major steel companies in China including TPCO, Baosteel and so on, We supply various kinds of steel pipes, pipe fittings and flanges. are committed to offering an easier way to international trade, leaving clients rest easy. In view of the special steel trade system in China, we are a major player in Chinese Steel market.
↵
Why Choose Us
Production Capacity
Our steel manufacturing facilities include multiple welding lines and advanced equipment. Hold at least 15000 tons of steel pipe stock every month and sell about 30000 tons every month.
Quality Assurance
In terms of quality assurance, the company strictly follows the standards and norms of the industry quality system. Adopt industry-leading testing equipment to ensure product quality and good reputation.
Our Service
We can provide all technical support and provide complete services. Provide customers with high-quality products. Contact customers to understand their needs and make quotations. Confirm the order, and produce, pack and ship in time.
Benefits of Flange
Easy installation and maintenance
Flanges are easy to install and remove, which makes them ideal for applications where frequent maintenance or modification is required. This also makes it easy to replace damaged components, which can reduce downtime.
Versatility
Flanges come in a variety of sizes, materials, and pressure ratings, which makes them versatile and suitable for a wide range of applications.
Leak prevention
Flanges help prevent leaks in piping systems by providing a tight seal between the connected components. This helps to ensure the safety of the system and prevent damage to the surrounding environment.
Load distribution
Flanges help distribute the load of the piping system across a larger area, which reduces stress on the connected components. This helps to ensure the longevity of the piping system and prevent failures.
Types of Flange
Blind Flange
A blind flange is a flat plate having no bore and closes the end of piping systems, valves, and pressure vessel openings. They are particularly bigger since they are under a lot of stress. People use this type to cap off pipes and valves that are not in use. It is also commonly applicable that maintenance or future expansion may be required.
Weld Neck Flange
This flange is easy to recognize since it has a long tapered hub and a neck that is welded to the pipe. The benefit of the neck is to give reinforcements and allow pipe alignment during installation. The flanges match the inside diameter of the pipe fitting through boring to facilitate the smooth flow of the product. Compatible in high-pressure applications or in pipelines that carry corrosive fluids.
Slip On The Flange
The slip-on flange is a flat plate with a bore that slips over the end of a pipe. It’s welded inside and outside to secure the connection. Slip-on flanges are frequently utilized in pipelines that transport non-corrosive fluids or in low-pressure applications.
Socket Weld Flange
A socket weld flange connects to the pipe with a socket weld. This connection creates a strong joint and makes alignment easier during installation. However, they are not ideal for critical services. They are often used as an alternative to weld neck flanges when space is limited. Socket weld flanges are useful in pipelines that carry corrosive fluids or in high-pressure applications like hydraulic pipes.
Threaded Flanges
Threaded flanges are similar in design to slip-on flanges but have tapered threads. The threads are on the inside of the bore and the outside diameter, allowing them to connect to pipes without welding. They are ideal for low-pressure and low-temperature applications and are suitable for pipelines carrying non-corrosive substances.
Orifice Flanges
Orifice flange has a thin plate with the center bore which determines the desired flow rate. The limitation of flow is a result of the inserted orifice plate. It creates a differential pressure, which gauges the flow rate of liquids, steam, or gases.
Application of Flange
Industrial Applications
Flanges are crucial components in industrial systems, ensuring secure connections and efficient fluid handling. In manufacturing industries, they play a vital role in hydraulic and pneumatic systems, including injection molding machines and assembly lines. These systems rely on flanges to provide precise alignments and robust connections, which are critical for maintaining operational efficiency and minimizing downtime.
Petrochemical Industry
The petrochemical industry requires high-performance flanges to withstand the extreme conditions of oil refineries, chemical processing plants, and natural gas facilities. Long welding neck flanges are particularly favored for their ability to handle high pressure and temperature, ensuring leak-proof connections in these demanding environments.
Power Generation
Flanges are essential in power plants for connecting turbines, boilers, and cooling systems, ensuring these high-pressure lines remain secure and efficient. They play a crucial role in maintaining the integrity of steam and water lines, which operate under high pressure and temperature. By allowing easy maintenance and replacement of components, flanges ensure the continuous and reliable operation of power plants.
Marine Industry
Flanges in the marine industry must withstand harsh environments, including saltwater and fluctuating temperatures. They are used in ballast water systems, fuel lines, and propulsion systems where durability is crucial. These applications require flanges that can provide reliable and robust connections, ensuring the safety and efficiency of marine operations.
Water and Wastewater Treatment
In water and wastewater treatment plants, flanges connect pumps, pipelines, and filtration systems. These facilities need flanges that can resist corrosion and handle varying flow rates and pressures. The ability to quickly disassemble and reassemble flanged connections is vital for routine maintenance and system upgrades, ensuring the continuous operation of treatment processes.
Food and Beverage Industry
The food and beverage industry uses flanges to maintain sanitary conditions and ensure easy cleaning. Stainless steel flanges are commonly used due to their resistance to corrosion and ability to maintain hygiene. These flanges are found in processing lines, bottling plants, and packaging systems, facilitating secure and sterile connections.
Pharmaceutical Industry
Pharmaceutical applications demand high-purity flanges that can withstand rigorous cleaning and sterilization processes. Flanges made from stainless steel or other corrosion-resistant materials connect equipment in production lines, including reactors, mixers, and transfer lines. Maintaining a sterile environment is crucial for ensuring product safety and quality.
Sizes of Flange
|
Flange Size (NPS) |
Outside Diameter (OD) |
Bolt Circle Diameter (BCD) |
Number of Bolt Holes |
Thickness |
|
1/2″ |
3.5″ |
2.5″ |
4 |
0.15″ |
|
1″ |
4.0″ |
3.0″ |
4 |
0.18″ |
|
2″ |
5.0″ |
4.5″ |
4 |
0.22″ |
|
4″ |
7.0″ |
6.0″ |
8 |
0.30″ |
|
6″ |
9.0″ |
7.5″ |
8 |
0.34″ |
|
8″ |
10.5″ |
9.0″ |
8 |
0.36″ |
|
10″ |
12.0″ |
10.5″ |
8 |
0.43″ |
|
12″ |
14.0″ |
12.5″ |
8 |
0.49″ |
|
16″ |
18.0″ |
16.0″ |
12 |
0.59″ |
|
24″ |
24.0″ |
23.0″ |
12 |
0.71″ |
Lead Time
|
Quantity (pieces) |
1 - 100 |
101 - 1000 |
1001 - 10000 |
> 10000 |
|
Lead time (days) |
7 |
10 |
15 |
To be negotiated |
Packaging & Shipping
Certifications
FAQ
We're well-known as one of the leading flange manufacturers and suppliers in China. Please rest assured to wholesale high quality flange in stock here from our factory. Good service and competitive price are available.