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B16.5 Welded Neck Flange/WN

B16.5 Welded Neck Flange/WN
Model: B16.5 WN
Product Description:
Welded Neck flanges  B16.5 is a most popular type of pipe accessories.It's widely used in petroleum,petrochemical ,paper,pharmaceutical,food,bear,electricity,shipbuilding,natural gas and other industries. 
Presure: 150lbs,300lbs,400lbs,600lbs,900lbs,1500lbs,2500lbs 
Size: 1/2" to 24" 
End flange Facing: Raised Face(RF), Flat Face(FF) ,Ring Joint Face(RTJ),Large Tongue & groove,Large Male-female,
                             Smale Tongue & groove,small Male-female
Welding end preparation: Beveled,square end (SQ/No bevel)
Flange facing finishes; roughness Ra3.2-6.3
Material: stainless steel- F304/304L,F316/316L,F321/321H,F316Ti,F317/317L/317H, 
              duplix and super-duplis-F51,F53,F55,F60 
              alloy steel-F5,F9,F11,F22 

The bevel end can be machined SQ(square end).

WN welded point

Following is related standard:

EN1092-1/11, WN flanges,Vorschweißflansch ,PN6/PN10/PN16/PN40/PN63/PN100/PN160/PN250
BS4504 CODE111

Technique parameter:
B16.5 WN

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