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Weld Neck Flange 价格:

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I. Product Function

1. Detachable sealing connector for industrial pipelines, facilitating pipeline inspection, maintenance, disassembly, and assembly;

2. Supporting connection component for clean pipelines in food, pharmaceutical, and purified water systems;

3. Suitable for corrosion-resistant process pipelines in chemical acid-alkali media and environmental desulfurization systems;

4. Used for pipeline installation in municipal water supply and drainage, ventilation, and low-pressure fluid conveying systems.

II. Specification and Material Parameter Table

Parameter Item

Production Range / Optional Type

Nominal Diameter

DN15–DN2000; non-standard diameters can be customized

Pressure Rating

PN6, PN10, PN16, PN25, PN40

Applicable Standard

GB/T9113, HG/T20592, ASTM A182

Processing Technology

Integral forging and CNC precision turning

Available Materials

304, 316L, 321, and 2205 duplex stainless steel

III. Material Application Scenarios

1. 304: general-purpose type, suitable for conventional non-corrosive working conditions such as clean water and ventilation systems, offering high cost performance;

2. 316L: molybdenum-containing low-carbon stainless steel, resistant to chloride ions and salt spray corrosion, preferred for chemical engineering and coastal environments;

3. 321: titanium-stabilized high-temperature-resistant material, suitable for high-temperature steam and heat exchange pipelines;

4. 2205 duplex stainless steel: high strength and strong resistance to acids and alkalis, suitable for seawater and heavily corrosive working conditions.

IV. Product Advantages

The neck structure provides stronger pressure-bearing performance, and the butt-welded connection ensures firm weld joints. The sealing face is precision-machined to prevent leakage. Standard bolt holes allow convenient disassembly, assembly, and maintenance, meeting the requirements of various industrial scenarios such as high pressure, clean pipelines, and strong corrosion.

  • Phone:13362849120
  • Email:huaf.industry@gmail.com
  • Huafang Headquarters:Innovation Center, Guangling District, Yangzhou, Jiangsu Province, China
  • Fastener Factory:Fastener Industrial Park, Chuangxin Road, Dainan Town, Xinghua, Taizhou, Jiangsu Province, China
  • Marine Outfitting Factory:Shuhai Village, Hezuo Town, Qidong, Nantong, Jiangsu Province, China
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