Home> Industry Information> raised face WN flange and flat face WN flange

raised face WN flange and flat face WN flange

October 17, 2018

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 examined by radiography. The bores of both pipe and flange match, which reduces turbulence and erosion inside the pipeline.

Size
1/8" NB TO 60"NB. 

Class
150#, 300#,400 #,600#,900#, 1500# & 2500 #. 


Stainless Steel 
ASTM A 182 F 304, 304L, , 316, 316L, 


Carbon Steel
ASTM A 105

Alloy Steel 
ASTM A 182, GR F1, F11, F22, F5, F9, F91

ANSI
ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48

DIN 
DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673

B.S
BS4504 , BS4504, BS1560

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