Long an Stainless Steel Flange Welding Neck Fitting for Diverse Applications

• 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., founded in 2013, proudly resides at the heart of No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Harnessing the unrivaled local benefits of Wenzhou, and capitalizing on the seamless and efficient raw material supplies from Qingshan Holdings Group, we have meticulously crafted a comprehensive production system for Long'an flange. Our unmatched strength in forging processes and machining capabilities has laid a robust foundation for our complete production ecosystem.
Our thriving company boasts over a hundred CNC lathes, deftly processing high-precision workpieces with diameters below 2000mm. Additionally, we possess 10 machining lathes for crafting heavy workpieces and large tubesheets, exceeding 2000mm in diameter. To further refine our offerings, our facility is adorned with 16 high-precision machining centers, encompassing 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry machining centers, and a 2-meter horizontal machining center. This powerful array ensures every customer product is meticulously processed within our premises, maintaining stringent quality control at every stage. We proudly deliver products that meet the pinnacle of precision standards demanded by our discerning clientele. Our formidable equipment suite is adeptly equipped to satisfy all product research and development demands, providing unparalleled convenience and efficiency for our clients' innovative pursuits.
Our enterprise is fortified with a sophisticated online ERP system that seamlessly spans the workshop network, from the entry of raw materials to the exit of finished products. This digital integration enables paperless production operations and guarantees data accuracy for each product line. The system empowers us to achieve rigorous quality control throughout every production phase, leveraging digital processes to oversee each production link, ensuring that the quality standards at every stage not only meet but exceed the requisite benchmarks.
Pioneering in quality assurance, our company boasts independent laboratories, furnished with a broad spectrum of state-of-the-art testing equipment. This includes fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. Our dedication to precision and quality is evidenced by these cutting-edge facilities, ensuring our products stand the test of excellence.