Welding Neck Flanges

DIN

Standard PN DN
2631 6 ab 10
2632 10 ab 200
2633 16 ab 10
2634 25 ab 200
2635 40 ab 10
2636 64 ab 50
2637 100 ab 10
2638 160 ab 10

ASME (ANSI B16.5)

Class NPS
150lbs ab 1/2"
300lbs ab 1/2"
400lbs ab 4"
600lbs ab 1/2"
900-2500lbs ab 1/2"

EN 1092-1 Typ 11 

PN DN
2,5 ab 1200
6 ab 10
10 ab 200
16 ab 50
25 ab 200
40 ab 10
63 ab 50
100 ab 10

 v flansch groß

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