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ANSI 150 Flange

ANSI 150 flange, the standard flange with pressure grade CLASS150 (150LB), is the most widely used pressure flange in practice, its relevant flange size requirements and technical parameters are stipulated in flange standards ASME B16.5 and ASME B16.47 and BS3293.

ANSI 150 Flange VS ASTM 150 Flange

1. Standard (Difference):

ANSI 150 flange is the manufacture standard.

ASTM 150 flange is the material standard.

2. Design Pressure (Similarity)

Both of their pressure is 150LBS

3. Type & Facing (Similarity):

Type: Slip-on, Weld Neck, Blind, Lap Joint, Socket Weld, Threaded.

Facing: RF, FF, RTJ


4. Installation (Similarity):

They are both class150 flanges and are suitable for American standard piping

ANSI 150 Flange FAQs

Q How Many Types of Flanges Are There?
A.

To connect diferent pipes and valves to achieve different functions, there are 6 types of common flanges as below: 

Weldneck flange

Threaded Flanges

Socket-Weld Flanges

Slip-On Flanges

Lap Joint Flanges

Blind Flanges


Q Can We Supply Special Flanges?
A.

If clients require non-standard flanges, our factory can manufacture or modify products to meet specific customer needs.

Q What Kinds of Certificates We Have for Flanges?
A.

We have ISO and CE certificates.  

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