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Flange

Your Professional Flange Supplier

 

Our goal is to become your true partner in the field of flange in China. Baoji Fuqi Titanium-Nickel Pipe Fitting Co., LTD is an IS09001-2015 approved titanium and nickel pipe and fittings manufacturer. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

 
 
Why Choose Us

Our services

In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.

Product market

Our products are very popular in the market, and pipes and accessories are exported to Southeast Asia, Europe, North America and South America.

Our equipment

We have 3 production lines, more than 1,000 sets of processing molds, and more than 50 sets of production and testing equipment.

 

Titanium Lapped Joint Flange

Advantages of Flange

 

 

Easy assembly

Flanges allow for easy assembly and disassembly of piping components, making it easy to maintain, repair, or replace components without having to disassemble the entire piping system.

Strength and durability

Flanges provide a secure and strong connection between piping components, ensuring that the system can withstand high pressure, temperature, and vibration.

Versatility

Flanges are available in various sizes and shapes, making them versatile enough to fit any piping system. This means that they can be used in a wide range of industrial applications, including chemical, petroleum, and water treatment plants.

Cost-effective

Flanges are an affordable way to connect piping components. They reduce the need for expensive welding or threading processes, and their simple design makes them easy to manufacture and install.

Leak prevention

Flanges help prevent leaks by providing a tight seal between piping components. This is particularly important in applications where the fluid being transported is hazardous or corrosive.

 

Specification of Flange

 

Grade

N02200, N02201

Standard

ASME B16.5, EN-1092

Pressure

150 class, 300 class, 400 class, 600 class, 900 class, 1500 class, 3000 class

Type

Nickel Weld Neck Flange, weld neck flange, lapped joint flange, socket weld flange, thread flange, slip on flange, Type 11, Type 12, Type 13, Type 05, Type 01.

Processing

Forge, Rolling, CNC

Surface Treatment

CNC Machined Polished

 

 

Types of Flange

Slip on plate flange: Convenient supply of raw materials, a simple manufacturing process, low costs and a wide range of applications.


Slip on flange: It is convenient to install on site.


Weld neck flange: The weld neck flange is not easy to deform. And it has good sealing and a wide range of applications. The flange is suitable for pipelines with large fluctuations in temperature or pressure or pipelines with high temperature, high pressure or low temperature, and also used for pipelines transporting expensive media, flammable and explosive media and toxic gases.


Threaded flange: The threaded flange is a kind of non welded flange, whose inner hole is processed into a pipe thread and connected with the threaded pipe.


Welding-on collar lap joint flange: The flange has convenient welding and processing, or requires high strength. Besides, it is convenient for construction.

Titanium Thread Flange

 

 
Application of Flange
 
01/

Plumbing: Soldering or fastening two sections of metal piping together can be done, but pipes connected this way are very vulnerable to bursting at high pressures. Flanged ends that can be linked with bolts provide a more secure connection between two sections of pipe.

02/

Electronics: It is another kind of stainless steel that is used in the production of stainless steel products. Flanges are important in cameras and other electronic devices. Flanges in camera systems and other digital equipment will not have to sustain heavy pressures.

03/

Mechanics: It’s usually a good idea to use stainless steel 304l flanges and bolts to link two sections of an oversized, enclosed area. A good example is a relationship between the engine and the transmission in a car. Both the engine and the transmission in this case have several components that can be damaged quickly if they make contact with dust or other small items.

04/

Oil and gas companies: The most common application for long weld neck flanges is on vessels that require a larger neck. This is a specialty flange because of the projecting neck or hub that serves as a regular extension. The tapered neck aims to minimize the steel’s thickness, giving it the appearance of a pipe extension.

 

Production Process of Flange

 

 

Cast flange production method

The cast manufacturing method begins with molten metal that’s poured into a mold to form the desired shape—in this case, a flange. After the liquid metal has hardened, the mold is opened and the casting is removed, then machined to the necessary dimensions and surface finish. Flanges produced by casting cost less to produce, and there is less waste involved in the manufacturing process.

 

Cut flange production method:

The cut flange (or plate flange) manufacturing process begins by flattening steel metal stock using rollers to thin the material until it reaches the intended plate thickness. Then, the flange is cut to the appropriate outer diameter (od) and inner diameter (id) (except blind flanges which have no center bore and do not require an id) using a torch, laser, or water jet.

 

Forged flange production method

Forged flanges are manufactured by heating steel billets, slabs, or other metal stock, then compressing the material using a power hammer, press, or die to shape the flange from a solid state. This process develops a continuous grain flow for improved strength. After the flange is forged, it is machined and finished to the appropriate specifications.

 

 

Customizable Options of Flange
 

Standard and custom designs

Options like weld neck, blind, threaded, and socket weld flanges accommodate diverse needs.

Material choices

Flanges can be made from carbon steel, stainless steel, or specialty alloys, tailored to specific environments.

Surface finishes

Coatings and treatments enhance resistance to wear and environmental factors.

 

Packing and Shipping of Flange

 

Packing

Box

Shipping

Shipped by road, sea, rail

 

 

FAQ

 

Q: What is a flange used for?

A: Flanges can be defined as an important element used to connect pipes, valves, pumps and other equipment together. They are one of the safety systems used to connect piping systems to various equipment.

Q: What are flanges in the body?

A: Body flanges are primarily used for connecting pipes or equipment. Blind flanges seal the end of a pipe, and slip-on flanges slide over the pipe end and are welded in place.

Q: What is a flange face?

A: The flange face is the surface area that receives the gaskets. The material of the gasket seats over the flange face and creates an effective sealing under pressure.

Q: What is a finger flange?

A: The finger flange comprises lateral surfaces which increase the surface area available for the end user's fingers. The extended area makes it easier for the end user to grip the device and administer an injection

Q: What is considered a flange?

A: Flanges are an integral component in many industrial applications, especially in the construction, petrochemical, and oilfield industries. They are used to connect pipes, valves, pumps, and other equipment in a piping system.

We're professional flange manufacturers and suppliers in China, specialized in providing high quality customized service with low price. We warmly welcome you to buy high-grade flange for sale here from our factory.

Titanium Seamless Pipe, Nickel Seamless 90 Degree Elbow

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