Long an Stainless Steel Flange Welding Neck Pipe Fitting for Maximum Strength

• 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

Established in 2013, Wenzhou Long'an Flange Co., Ltd. is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Taking full advantage of Wenzhou's superior regional benefits and the convenient, efficient supply of raw materials from the prestigious Qingshan Holdings Group, we have diligently crafted a robust production system for Long'an flanges. Our strong forging process and exceptional machining capabilities are the foundation of our excellence.
Currently, our company boasts an impressive array of over one hundred CNC lathes, capable of processing high-precision workpieces with diameters under 2000mm. Additionally, we possess 10 specialized lathes for handling heavy workpieces and large tube sheets exceeding 2000mm in diameter. Our state-of-the-art facility is further enhanced by 16 high-precision machining centers: six three-axis machining centers, three four-axis machining centers, three five-axis machining centers, three large gantry machining centers, and one 2-meter horizontal machining center. This comprehensive equipment setup guarantees meticulous in-house processing of every customer product, allowing us to maintain quality control at each stage and ensuring every product aligns with the high-precision standards demanded by our clients. Our powerful equipment configuration caters to every aspect of product research and development, offering unparalleled convenience and efficiency for innovative endeavors.
Our company employs a sophisticated online ERP system that seamlessly integrates across the entire workshop network, from raw material entry to finished product dispatch. This advanced system enables paperless production, ensuring the precision of data for each product. Furthermore, it facilitates stringent quality control throughout every production phase, leveraging digital processes to verify that product quality in every stage meets the rigorous standards required. This ensures that excellence is achieved consistently across all production links.
Our company is well-equipped with independent laboratories and a diverse range of testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These tools empower us to deliver precise and reliable testing results, ensuring that our products meet the highest standards of quality and performance.