ANSI B16.5 RF 300LBS ASTM A182 F51 NPS Long Welding Neck Flange

Production process: professional overall forging, forging manufacturing, etc
Processing mode: high precision CNC lathe turning, general lathe finishing, argon arc welding and other processing
Application scope: Boiler and pressure vessel, petroleum, che
Description
Production process: professional overall forging, forging manufacturing, etc

Processing mode: high precision CNC lathe turning, general lathe finishing, argon arc welding and other processing

Application scope: Boiler and pressure vessel, petroleum, chemical industry, shipbuilding, pharmacy, metallurgy, machinery, food and other industries
Long Weld neck flange: the height of neck is higher, which improves the rigidity and bearing capacity of flange. Compared with the butt welding flange, the welding workload is large, the electrode consumption is high, and it can not withstand high temperature and high pressure, repeated bending and temperature fluctuation. However, the site installation is more convenient, and the process of welding line rubbing can be omitted
 Flange  Seal Surface: RF/FF/RTJ/MFF/LF/TF/GF
Flange Pressure: Class 150/Class 300/Class 400/Class 600/Class 900/Class 1500/Class 2500
Size:1/2"-72"
Wall thicknss :Sch5s --- 200mm



 

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