Classification of flanges

Flange is a connecting part. According to different standards, there are different classifications. Let’s learn about them together.

According to the chemical industry standards, it is divided into integral flange, threaded flange, plate type flat welding flange, neck butt welding flange, neck flat welding flange, socket welding flange, butt welding ring loose flange, flat welding ring loose flange, lining flange cover and flange cover.

ASME B16.5 Blind Flange RF BLFF 300lbs 600lbs carbon steel

According to petrochemical industry standards, it is divided into threaded flange, butt welding flange, flat welding flange, socket welding flange, loose flange and flange cover.

According to the standards of the machinery industry, it is divided into integral flange, butt welding flange, plate type flat welding flange, butt welding ring type loose flange, flat welding ring type loose flange, flanging ring type loose flange and flange cover.

weld neck flanges

According to national standards, it is divided into: integral flange, threaded flange, butt welding flange, flat welding flange with neck, socket welding flange with neck, loose sleeve flange with neck of butt welding ring, plate flat welding flange, flat welding ring plate loose sleeve flange, flat welding ring plate loose sleeve flange, flange flange.

export forging slip on flanges, CL150 weld neck flanges, CL300 blind forging flanges

With more than 40 years of production and operation experience, Haihao Group can produce various standard or non-standard flange products. If you need products in this area or want to know more, you can contact us at the first time and we will give you a detailed introduction.