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Weld neck flange also called WN flange, is a flange with a neck butt welded to the pipe. Weld neck flange is not easy to be deformed, well sealed, and widely used. Weld neck flange is suitable for pipelines with large fluctuations in pressure or temperature or pipelines with high temperature, high pressure≤25.0Mpa and low temperature. It is also used for conveying expensive, flammable and explosive media on the pipeline with nominal pressure around PN16MPa. The sealing surface of weld neck flange is RF, MFM and TG.
The description of weld neck flange as below:
1. Weld Neck Flange Size: 1/2"-60"(DN10-DN1500)
2. Weld Neck Flange Wall Thickness: Sch5, Sch10, Sch20 , Sch30, STD, Sch40, XS,Sch80, Sch100, Sch120, Sch140, XXS, Sch160;
3. Weld Neck Flange Pressure Rating:
ANSI B16.5: Class 150 Flanges-Class 2500 Flanges；
DIN: 6Bar 10Bar 16Bar 25Bar 40Bar 63Bar
JIS: 5K Flanges-30K Flanges
EN1092-1: 6Bar 10Bar 16Bar 25Bar 40Bar 63Bar 100Bar
4. Weld Neck Flange Surface treatment: Anti-rust oil, black / yellow / transparent / electric galvanized / hot galvanized.
ASME/ANSI B16.5 Weld Neck Flange
EN1092-1 Weld Neck Flange
Dimensions of Weld Neck Flanges PN 2.5 EN 1092-1
Weld Neck Flange Manufacturers, Weld Neck Flange Suppliers, Weld Neck Flange Stockist – ASME/ANSI Standard Weld Neck Flange, DIN Standard WN Flanges, EN Standard Weld Neck Flange Factory
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