304/316/316L Stainless Steel Lap Joint Flange

304/316/316L Stainless Steel Lap Joint Flange

Material: Carbon steel,alloy steel,stainless steel
Standard:ASTM,GB,JIS,EN,ANSI
Production Standard:GB9112,ANSIB16.5,ANS11.47,JIS,DIN2527,UNI2276,BS4504 and so on
Class:CL150,CL300,CL600,CL900,CL1500
Series:A and B
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Product Details

With the changes and demands of the market, the company has developed a series of Seamless Line Pipe, JIS G3472 ERW Tubes, SSAW Spiral Welded Pipe with the most advanced design technology and perfect service system. In recent years, our company's products have been successfully sold to many provinces and overseas. We cultivate the sense of participation of all employees, care about the material and spiritual needs of employees. Keeping honest, innovative and efficient, we sincerely expect that we can be business partners to create our brilliant future! Our company has achieved remarkable results in all aspects of the business, and our sales, management, corporate image, company software and hardware facilities and other indicators have been significantly improved. After years of research and exploration in this field, we have accumulated rich experience and created many high-quality products

Lap Joint Pipe Flanges is actually a combination of two things, loose flange ring and flanging nipple.Loosen the sleeve outside the flanging nipple, the flanging nipple and the pipe are butt welded. The flange is no contact with the medium, so the flanging nipple is required to be the same as the pipe material. The material of the flange body can be completely different from the pipe material.

Material: Carbon steel,alloy steel,stainless steel

Standard:ASTM,GB,JIS,EN,ANSI

Production Standard:GB9112,ANSIB16.5,ANS11.47,JIS,DIN2527,UNI2276,BS4504 and so on

Class:CL150,CL300,CL600,CL900,CL1500

Series:A and B

The flange connection process :

First, the connection between a flange and a pipe shall meet the following requirements:

1. The centers of the pipe and flange should be at the same level.

2. The sealing surface of the pipe center and flange is 90 degrees in vertical.

3. The position of flange bolt on the pipe should be consistent.

Second,requirements of gaskets are as follows:

1. For a same pipe, flanges with the same pressure should choose the same gasket so that they can be exchanged.

2. For ducts with rubber sheets, gaskets should also be rubber.

Lap joint pipe flanges is suitable for the connection of steel, aluminum and other non-ferrous metals and stainless acid-resistant steel containers and corrosion-resistant pipelines.Therefore, it is especially used on corrosive medium pipelines.Generally used when the temperature and pressure are not high and the medium is corrosive.

JDSTEELPIPE is a professional supplier of high quality lap joint pipe flanges. If you have some planning or inquiries, email info@jiade-group.com.


Innovative, durable and cost-efficient products have secured us a position as a leading global manufacturer of 304/316/316L Stainless Steel Lap Joint Flange. We pay more attention to internal quality, and design for customers according to their different needs to meet the needs of customers. Our products are sold all over the world and are well received by domestic and foreign customers with our professional research and development personnel.
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