What is the difference between ANSI and DIN flanges?

Title: ANSI vs DIN Flanges – What’s the Difference?

• Pressure: ANSI uses Class 150/300/600; DIN uses PN6/10/16/25/40

• Dimensions: Outer diameter, thickness, bolt holes are different

• Application: ANSI for Americas, Middle East, Southeast Asia; DIN for Europe, Africa

• Connection: Both have WN, SO, BL, but installation dimensions are not universal