BS4504 Pn25 102 Lap Joint Flanges (SS400 flange)

BS4504 Pn25 102 Lap Joint Flanges (SS400 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

We uphold the core value of 'creating value for partners' and create value for the Hot Rolled Steel Pipe, ASTM A209 Seamless Alloy Tube, Elbow 90° short Radius industry through independent innovation and sincere cooperation. We have established a long-term, close and stable cooperative relationship with our customers. With our rules of ' business reputation, partner trust and mutual benefit', welcome all of you to work together, grow together. In today's wave of economic development and fierce market economy competition, we cherish our hard-won honors and will make unremitting efforts along the road of industrialization, specialization and modernization.

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.


With the increasingly fierce competition on a global scale, among many competitors that provide homogeneous products and services, we need continuous innovation to make our BS4504 Pn25 102 Lap Joint Flanges (SS400 flange) stand out. Many kinds of different products are available for you to choose, you can do one-stop shopping here. We have a first-hand source of goods, and we attain obvious advantages in quality and cost performance.
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