Durable Long an Stainless Steel Flange Welding Neck Fitting with OEM

• 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., established in 2013, stands proudly at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By capitalizing on the superior local advantages of Wenzhou and the efficient, seamless raw material supply from Qingshan Holdings Group, we have meticulously crafted a complete production system for Long'an Flange. Our strong forging processes and advanced machining capabilities guarantee exceptional quality and performance, ensuring our products meet the highest industry standards.
The company boasts over a hundred state-of-the-art CNC lathes, designed to process high-precision workpieces up to a diameter of 2000mm, and features 10 specialized lathes for processing heavy workpieces and large tubesheets exceeding 2000mm. Complemented by 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry, and a 2-meter horizontal machining center, we ensure every client product is processed within our facility. This setup rigorously controls quality at every stage, guaranteeing we meet or exceed our customers' high-precision demands. Our powerful equipment configuration fulfills all customer product research and development needs, offering unrivaled convenience and efficiency for pioneering product innovation.
Our company employs a comprehensive online ERP system that seamlessly integrates the workshop network, from raw material intake to finished product dispatch. This system ensures paperless production, maintaining data accuracy for every product while enabling stringent quality control across all production stages. By digitizing processes, we ensure that product quality at every step meets or exceeds specified requirements, offering peace of mind to our clients.
Our company also features independent laboratories, equipped with a diverse 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. These advanced tools empower us to uphold the highest standards of quality and precision in our products.