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Welding neck flanges 300# ASTM A105N B16.5

Concept of  WN flanges According to industry standards, Flanges can be divided into six categories: butt welding flange, flat welding flange, socket flange, threaded flange, blind plate, and loose ...
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Concept of  WN flanges

According to industry standards, Flanges can be divided into six categories: butt welding flange, flat welding flange, socket flange, threaded flange, blind plate, and loose sleeve flange. Butt welding flange generally refers to a flange with a neck and a round pipe transition, which is connected to the pipe by butt welding. In addition, flange joints are often used in other professions, such as industrial furnaces, thermal engineering, water supply and drainage, heating and ventilation, and automatic control.

Welding neck flanges 300# ASTM A105N B16.5

Specification of WN FLANGES

Shape Type Regular and Long Neck
Sealing Face RF, FF, FTJ
Size Range 1/2″ – 48″/ DN15 – DN1200
Pressure Rating Class 150, 300, 600, 900, 1500, 2500lb
Standard ASME B16.5, ASME B16.47 Series A/B
Carbon Steel ASTM A105 / A105N
Low Temp Carbon Steel ASTM A350 LF2/LF3
Pipeline Steel ASTM A694 F42 / 46 / 56 / 60 / 65
Alloy Steel ASTM A182 F11 / 12 / 5 / 9 / 91 / 92
Stainless Steel ASTM A182 F304/304L/304H, 316/316L, 310S, 317,347,904L
Duplex Stainless Steel ASTM A182 F51, F53, F44

WN FLANGES RF 1" 600LB A105 B16.5

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