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Lap-joint Flange

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raised face WN flange and flat face WN flange

According to different facings, weld neck flange can be divided into raised face WN flange and flat face WN flange. It is circumferentially welded into the system at its neck which means that the integrity of the butt welded area can be easily...
What's the difference between ANSI B16.5 flange & ASME B16.5 flange?

What's the difference between ANSI B16.5 flange & ASME B16.5 flange? The answer is there is no difference. First of all, ANSI B16.5 standard was published in 1973. In 1996 the standard changed to ASME B16.5. For 10 years prior to the change, the...
The introduction about weld neck forged flange

Hengjia Pipeline can manufacture weld neck pipe flanges in many steel material grades, including carbon steel weld neck pipe flanges, alloy steel weld neck pipe flanges and stainless steel weld neck pipe flanges. Weld neck forged flanges are...
ANSI DIN pipe flange

For forged flanges, there are not only many materials and types, but also various manufacture standards, such as ANSI, DIN etc. ANSI flanges are specially designed so that the outer diameter of the pipe is slightly smaller than the diameter of the...