Shanxi special-shaped flange how to classify?

Flange for parts with flange. Flange can be separate, called the flange, can also be a combination of, such as at the ends of the valve flange, ease of installation bolt. This article introduces the material of flange, flange sealing surface form, and according to the national standard and classification of chemical, petrochemical, mechanical standard flange.

The material

20 # A105Q2312Cr1MoV

16 mnr15crmo18-8321

304304 l316316l

Sealing surface form

Plane (FF) processes (RF) convex concave (M) (F)

Concave and convex surface (MF) groove groove face (T) (G) grooved surface (TG)

RTJ (RJ)

Divided into according to the national standards

Integral flange threaded flange butt welding neck flange with flat welding flange

With socket welding neck flange butt band loose flange plate flat welding neck flange plate loose flange butt welding ring

Flat welding ring plate flange flanging ring plate flange come loose flange cover

According to the chemical industry standards are divided into

Integral flange (IF) threaded flange (Th) plate flat welding flange diameter (PL) with butt welding flange (WN)

With flat welding neck flange (SO) (SW) socket welding flange butt welding ring loose flange (PJ/SE) flat ring loose flange (PJ/RJ)

The lining flange cover (BL (S)) flange cover (BL)

According to the petrochemical industry standard is divided into

Threaded flange (PT) butt welding flange (WN) flat welding flange (SO) socket welding flange (SW)

Loose flange (LJ) flange cover (not table)

According to the mechanical industry standards are divided into

Integral flange butt welding flange plate flat welding flange plate loose flange butt welding ring

Flat welding ring plate flange flanging ring plate flange come loose flange cover.

The above content is provided by shanxi special-shaped flange, thank you for reading!