Jis Threaded Flanges

Your Professional Jis Threaded Flanges Supplier

Shanxi Hongkai Forging Co., Ltd. is located in China Energy Heavy Chemical Industry Base. Dingxiang County, the hometown of forging in Shanxi Province. Mainly produce flanges and forgings of various specifications. Application in piping installation, pressure vessel, equipment accessories.

Why Choose Us

Our Service
With strong technical force, advanced production technology, perfect quality inspection, and reliable after-sales service, it provides a basis for supervision and cooperation for many customers at home and abroad.

Our Certificate
The company Excellent Supplier of 2019 Safety production standardization certificate Quality management system certification.

Production Market
The products are mainly exported. It is exported to Europe, America and other countries and regions. The product quality is good, and the service is attentive. It is deeply appreciated and trusted by customers and users at home and abroad, and has won a high reputation. They have become one of the largest flange and forging suppliers in China.

Our Factory
Shanxi Hongkai Forging Co., Ltd. is located in China Energy Heavy Chemical Industry Base. Dingxiang County, the hometown of forging in Shanxi Province. Convenient transportation, abundant coal and power resources, fast communication and superior environment.

Product Description

Dimensions: 1/2”, 2”, 3”, 4”, 6”, 8”, 10”, Customized up to 24”
Material: Carbon, Alloy and Stainless Steel
Thickness: Schedule 10(S) to SCH 160
Standard: ASME, ANSI, DIN, JIS, EN, etc
Class Range: Class 150 to 2500 (# or LB). PN 2.5 to PN 250.
Flange Face Type: RF, FF, MFM, TG, RJ
End: Plain end
Connection: Threaded
Manufacturing Process: Forging

Advantages of Jis Threaded Flanges

01.

Ease of Installation:

Threaded flanges are easier to install and remove compared to welded flanges, which makes them ideal for systems that require frequent disassembly or maintenance.

02.

No Need for Welding:

Since threaded flanges do not require welding, they are ideal for use with materials that cannot be welded easily or when welding is not feasible.

03.

Reliability:

When properly installed, threaded flanges provide secure and leak-proof connections, making them suitable for a wide range of applications.

04.

Corrosion Resistance:

Depending on the material used, threaded flanges can offer excellent corrosion resistance, making them suitable for harsh environments.

Process of Jis Threaded Flanges

01/

Strict screening of raw materials
The first step in the production of threaded flanges is the screening of raw materials. Common materials include carbon steel, stainless steel, and alloy steel.

02/

Precision forging processing
Forging is an important process in the production of threaded flanges, which can significantly improve the density and strength of the flange. During the forging process, the billet is heated to the appropriate temperature and subjected to plastic deformation using hydraulic presses or air hammers to obtain the desired shape.

03/

The key steps of thread machining
Thread processing directly affects the connection performance of threaded flanges. According to the production scale and precision requirements, cutting or rolling processing can be selected. Cutting processing utilizes equipment such as lathes and milling machines to cut materials with cutting tools to form threads.

04/

Surface treatment and quality inspection
Surface treatment is essential to enhance the corrosion resistance and wear resistance of threaded flanges. Common processing methods include galvanizing, nickel plating, and spraying anti rust paint. Galvanizing can form a dense zinc protective film on the surface of the flange, effectively preventing oxidation and corrosion.

Common Uses of Jis Threaded Flanges

Water Treatment and Supply Systems
In water treatment plants, threaded flanges are used for low-pressure connections that require secure, yet easily modifiable joints.

Compressed Air Systems
For applications like compressed air distribution, threaded flanges are an ideal choice. These systems generally operate at a lower pressure, making threaded connections practical.

Fire Protection and Sprinkler Systems
Fire suppression systems often use threaded flanges for their piping. Since these systems are low-pressure and sometimes require quick assembly, threaded flanges are the preferred choice.

Non-Hazardous Gas Piping
In situations where low-pressure gas (like natural gas or propane) is transported, threaded flanges are a safe and practical option. Since there is no welding involved, there’s less risk when dealing with combustible gases, making them suitable for residential or light commercial gas supply systems.

Irrigation and Agricultural Systems
Threaded flanges are widely used in agricultural settings, particularly for irrigation systems. They allow farmers to quickly extend or modify their irrigation networks based on crop layout changes or seasonal needs.

customization process

Requirements Confirmation
Communicate in detail to determine the requirements for flange size, material, pressure, connection method, etc.

Design drawings
Our professional engineers will design flange drawings for you. The drawings will specify the size, shape, thickness, etc. of the flange in detail.

Choose materials
Select suitable flange materials according to the requirements of the engineering project.

Customer confirmation
Send detailed information, such as the designed drawings and materials, to the customer for confirmation.

Processing sample
To ensure accuracy, first produce a sample according to the drawings and selected materials and send it to the customer for trial confirmation.

Production of bulk goods
After confirming the accuracy of the samples, proceed with mass production.

FAQ

Q: What is the difference between ANSI and JIS flanges?

A: ANSI flanges are generally larger and thicker than JIS flanges, providing enhanced durability. JIS flanges are designed for systems where compactness and lighter weight are necessary.

Q: What are jis flanges?

A: JIS flanges are commonly found in exported pressure equipment and pipe assemblies from Japan. Many large ships and sea vessels which travel through international waters and service the Pacific rim will utilize equipment made to this standard, as parts and servicing for this specification are widely available.

Q: How to measure flange rating?

A: When trying to determine the flange rating of a pump, the best method is to look for a stamp printed onto the flange. If one is not visible, or it is worn, then start by counting the number of bolt holes. This will point you to a narrower range of flange sizes in the chart below. Next measure the bolt circle diameter.

Q: How to know what flange size is best?

A: Most moms find that adding 0-3 mm to their nipple size provides the most comfortable and effective flange size.

Q: What is JIS flange?

A: The term JIS stands for Japanese Industrial Standard. A JIS flange is an integral component in piping systems. These flanges make it easy to connect pipes, valves, and equipment. They ensure a secure, leak-proof joint. Understanding their functionality is paramount for anyone dealing with fluid control systems.

We're well-known as one of the leading jis threaded flanges manufacturers and suppliers in China. If you're going to wholesale high quality jis threaded flanges with competitive price, welcome to get more information from our factory. Also, customized service is available.

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