Long an Stainless Steel Flange Welding Neck Fitting for Industrial 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. was founded in 2013, strategically situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By harnessing the exceptional advantages of Wenzhou's locality and tapping into the seamless and efficient raw material supply from Qingshan Holdings Group, combined with our robust forging processes and superior machining capabilities, we have meticulously crafted a comprehensive production system for Long'an flanges. Our commitment to excellence ensures unparalleled products for our esteemed clients.
Currently, the company boasts an impressive collection of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters up to 2000mm. Additionally, we have 10 machining lathes designed for heavy-duty workpieces and large tubesheets beyond 2000mm. Our state-of-the-art facility includes 16 high-precision machining centers, featuring 6 three-axis centers, 3 four-axis, 3 five-axis centers, 3 large gantry centers, and a remarkable 2-meter horizontal machining center. This powerful array ensures that every customer's product is expertly processed within the factory, meticulously controlling quality at every stage to meet the highest precision requirements. Our formidable equipment setup comprehensively fulfills all product research and development needs, providing customers with the most convenient and efficient services for their innovative pursuits.
Our company has implemented a sophisticated online ERP system, seamlessly integrating the workshop network from raw material entry through to the finished product. This results in a paperless production environment, ensuring data accuracy for every product. Moreover, through this cutting-edge system, we achieve stringent quality control across every production link. By utilizing digital processes, we meticulously manage each stage, guaranteeing that product quality aligns with the rigorous standards required at each step.
To further enhance our commitment to quality, the company has established independent laboratories, equipped with a diverse range of 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 advanced testing facilities underscore our dedication to delivering products that meet the highest standards of excellence.