Long an Stainless Steel Flange Welding Neck Fitting with Quality Assurance

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST
• Type: Welding Flange
• Model NO.: WN flanges
• Material: Stainless Steel
• Structure: Flanges
• Connection: Welding
• Sealing Surface: RF
• Manufacturing Way: Forging
• Brand Name: Long an
• Warranty: 1 Year
• Customized Support: OEM&ODM
• Package: Wooden Box or Pallet or Carton
• Technology: Forged
• Model Number: Flange
• Application: Petroleum, Natural Gas, Water Disposal
• Delivery Time: 10-20
• Pressure: Pn6/10/16/25/40/63
• Service: Within 24hours Reply
• Transport Package: Wooden Box
• Trademark: Long′an Flange
• Origin: Wenzhou, China
• HS Code: 7307210000
• Production Capacity: 1000000

Product Description

Type	Plate flange ,Lap Joint Flange ,Threaded flange, Socket Welding Flange, Blind Flange, Slip on Flange
Technics	Forged,Cast.
Size	1/2"-80"(DN15-DN2000)
Pressure	150 lbs - 2500lbs PN6-PN250 0.6MPa-32MPa 5K-30K
Standard	EN,DIN,UNI,BS,NF,ANSI,ASME,JIS,KS,API,MSS DIN:DIN2527,DIN2566,DIN2573,DIN2576,DIN2641,DIN2642,DIN2655,DIN2656,DIN2627,DIN2628,DIN2629,DIN 2631, ANSI:ANSI B16.5,ANSI B16.47,MSS SP44,ANSI B16.36,ANSI B16.48 BS4504, BS1560, BS10 UNI:2276 2277 2278 6084 6089 6090 2544 2282 6091-6093 JIS
Material	Stainless steel: ASTM A182 F1, F5, F9, F22, F91,  310/F304/304L/F316/F316L, F321, F347.
Surface treatment	Galvanized(hot,cold),varnish Method rust oil Plastic spraying
Application Fields	Chemical Industry /Petroleum Industry /Power Industry/Metallurgical Industry Building Industry  /Ship-building Industry

Wenzhou Long'an Flange Co., Ltd., proudly established in 2013, is strategically nestled at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Benefiting from Wenzhou's exceptional local advantages and the seamless, efficient supply of raw materials from Qingshan Holdings Group, we have built a robust and comprehensive production system. With superior forging processes and exceptional machining capabilities, Long'an flange stands as a beacon of manufacturing excellence.
Our company currently boasts an impressive fleet of over one hundred CNC lathes, expertly handling high-precision workpieces with a diameter of less than 2000mm. Additionally, we possess 10 cutting-edge machining lathes for processing robust heavy workpieces and expansive tubesheets exceeding 2000mm in diameter. To further enhance our capabilities, we have equipped our facilities with 16 state-of-the-art high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 grand-scale gantry machining centers, and a 2-meter horizontal machining center. These resources ensure that each customer product is meticulously processed in-house, allowing us to rigorously control quality at every stage and meet the exacting high-precision requirements of our esteemed clientele. This formidable equipment configuration not only fulfills all product research and development needs but also offers unparalleled convenience and efficiency for innovative product exploration.
Our comprehensive ERP system efficiently spans the entirety of our workshop network, from the entry of raw materials to the exit of finished products, achieving a seamless paperless production environment. This advanced system ensures precise data accuracy for every product and facilitates stringent quality control across all production phases. By leveraging digital processes, we maintain stringent oversight over each production link, ensuring that the quality at every stage aligns perfectly with required standards.
Our company proudly supports independent laboratories, fully equipped with a diverse range of testing equipment. These include cutting-edge fully automatic direct reading spectrometers, portable handheld spectrometers, advanced spectral alloy analyzers, hydraulic universal material testing machines, and sophisticated pendulum impact testing machines. This array of premium testing tools ensures that we uphold the highest standards of quality and innovation.