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Experience first-hand the meticulousness and dedication that goes into creating each of our high-quality pipe flanges and butt-weld pipe fittings.

Wuliyao Industry Zone, Yanshan County, Hebei Province, China.


Weld Neck Flange A105

Space saving square design

Product Features:

  • Brand: JS FITTINGS
  • Place of Origin: CHINA
  • Material: carbon steel, alloy steel, stainless steel
  • Standard: ANSI/ASME B16.5, EN 1092, GOST33259, BS, DIN, SABS
  • Surface Treatment: anti-rust oil, black painting, yellow painting



Product Description: WN Steel Pipe Flanges


Standard: The WN (Weld Neck) steel pipe flanges offered by our company adhere to international standards such as ANSI, ASME, ASTM, DIN, and JIS. These flanges are designed to provide exceptional performance and reliability in various industrial applications.

pipe flange

pipe flange

Material: Our WN steel pipe flanges are manufactured using high-quality materials, ensuring durability and resistance to corrosion. Common materials include carbon steel (ASTM A105), stainless steel (ASTM A182 F304/F316), and alloy steel (ASTM A182 F11/F22).

Specification: Our WN flanges are available in a wide range of sizes, pressure ratings, and dimensions. The specifications can be customized to meet the specific requirements of your project. We offer flanges with various facing options, including raised face (RF), flat face (FF), and ring type joint (RTJ).


Inspection: We maintain strict quality control measures throughout the manufacturing process to ensure that our WN steel pipe flanges meet the highest standards. Each flange undergoes rigorous inspection and testing, including dimensional checks, visual inspection, material analysis, and hydrostatic testing.

inspection of flange

Delivery: We strive to provide efficient and prompt delivery of our products. Our logistics team ensures safe packaging and timely shipment to your desired location, both domestically and internationally. Expedited delivery options are available upon request.


Application: WN steel pipe flanges find extensive use in industries such as oil and gas, petrochemical, chemical processing, power generation, and shipbuilding. They are commonly employed in pipeline systems, connecting pipes, valves, and equipment. With their excellent sealing capabilities and structural integrity, WN flanges offer reliable performance in demanding environments.


Note: For detailed product specifications and customization options, please refer to our product catalog or contact our sales team for further assistance.

Whats App: +8618003119682




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Cangzhou, Hebei, China

Wuliyao Industry Zone, Yanshan County.