| Customization: | Available |
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| Standard: | ANSI |
| Type: | Welding Flange |
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| Product Name | ASME DN10-DN1500 Stainless Steel/Carbon steel Long Welded Neck Flange |
| Standard | ANSI B16.5,EN1092-1, DIN2502 DIN2527 DIN2566 DIN2573 DIN2576 DIN2632 DIN2633, GOST,etc. |
| Material | Carbon steel: A105/Rst37.2/C22.8/Q235 Stainless Steel: 304/304L,316/316L,321,ect. |
| Types | welding neck, socket welding, threaded, blind, slip on, lap joint,ring |
| Size | 1/2" to 60",DN10-DN1500 |
| Pressure Rating | Class 150-Class 2500 (150#, 300#, 600#,900#,1500#, 2500#),PN6-PN16 |
| Facing | RF/FF/RTJ |
| Surface treatment | Antirust Oil,Black Paint,Yellow paint,Galvanized |
| Certification | ISO9001:2015/CE |
| Package | Polybag and Carton then in plywood case or plywood pallet |
| Lead time | 30-45 days |
| For Use With | Industrial Usage, Water Industrial Usage, Household Usage |
ASME/ANSI/EN/DIN/BS Long Weld Neck Flange
We specializes in manufacturing the best quality long weld neck flange in varieties of specifications, grades, materials and sizes. The long weld neck flange will be used for 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.
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