Long an Stainless Steel Pipe Fitting Welding Neck Flange for Heavy-Duty Use

• 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 and is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By harnessing Wenzhou's exceptional local advantages and the convenient, efficient raw material supply from Qingshan Holdings Group, along with our robust forging processes and machining capabilities, we have established a comprehensive production system for Long'an flange, ensuring superior quality and performance.
The company boasts an impressive arsenal of over a hundred state-of-the-art CNC lathes, capable of processing high-precision workpieces up to 2000mm in diameter. Additionally, we feature 10 specialized machining lathes for handling heavy-duty workpieces and large tubesheets exceeding 2000mm. Our facility is further enhanced with 16 advanced high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 expansive gantry machining centers, and a 2-meter horizontal machining center. This formidable array of equipment ensures that each product undergoes meticulous processing within our factory, allowing us to meticulously control quality at every stage and meet our customers' exacting high-precision requirements. Our powerful equipment configuration comprehensively supports all product research and development needs, offering the most convenient and efficient services for customers' innovative pursuits.
Our company implements a complete online ERP system that seamlessly integrates with the workshop network, from raw material entry to finished product exit, achieving a paperless production environment and ensuring data accuracy for every product. This system allows us to implement stringent quality control measures throughout each stage of production, utilizing digital processes to monitor and maintain product quality at every step, ensuring that all products meet the highest standards of excellence.
We are equipped with independent laboratories featuring a wide array of testing equipment, including fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This comprehensive testing capability underscores our commitment to ensuring the highest standards of quality and reliability for all our products.