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Work Shop: Beian Industrial zone, Qingdao,Shandong,China
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1. Long Weld Neck Flange Size: 1/2"-60"(DN10-DN1500)
2. Long Weld Neck Flange Material: Carbon steel or Stainless steel
3. Long Weld Neck Flange Wall Thickness: Sch5, Sch10, Sch20 , Sch30, STD, Sch40, XS,Sch80, Sch100, Sch120, Sch140, XXS, Sch160;
4. Long Weld Neck Flange Pressure Rating: from Class150 to 2500, PN10-100.
ASME/ANSI/EN/DIN/BS Long Weld Neck Flange
Eathu specializes in manufacturing the best quality long weld neck flange in varieties of specifications, grades, materials and sizes. We sell long weld neck flange to our customers in various industries such as chemical, oil mills, petrochemical, mining, refineries, construction, fertilizers, shipbuilding, power plant, steel plant, nuclear power, offshore, oil & gas, defense, paper, breweries, railway, cement, and engineering.
A Integral Flange which is also called Long weld neck flange (LWN flange), is used for high pressure situations, integral hub weld neck flanges are used and for very high pressure cases Long Welding Neck flanges are preferred. In this case, the weld are far from the ring to avoid bending stresses and weld stress being combined.
It is required when an extended neck is required. It acts as a boring extension. It is used in chemical and petroleum industries and used in residential and commercial buildings. It performs well where there is level of stress and temperature fluctuate. Long weld neck flanges are built in a variety of lengths, size and dimensions according to the need of the customers. Many factories make long neck flanges by welding the steel pipe inside the neck of the flange, so the quality of the long neck flanges made is very poor (easy to cause safety accidents), but the price is cheap.
Download the PDF Technical Drawing from "Price List and Technical"
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