Long an Innovative Stainless Steel Pipe Fitting Socket Neck Flanges

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Socket Welding Flange
• Model NO.: Socket welding
• 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., proudly established in 2013, is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. We harness Wenzhou's extraordinary local advantages, leveraging the convenient and efficient raw material supply from Qingshan Holdings Group. Coupled with our robust forging processes and advanced machining capabilities, we have meticulously crafted a comprehensive production system for the renowned Longan Flange. This synergy ensures that we deliver excellence and innovation in every product we create.
Currently, our company boasts an impressive arsenal of over a hundred CNC lathes, adept at processing high-precision workpieces up to a diameter of 2000mm. We also feature 10 machining lathes for handling hefty workpieces and substantial tubesheets beyond this diameter. Our facility is equipped with 16 state-of-the-art machining centers, including 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry centers, and a 2-meter horizontal center. This ensures that every customer product undergoes comprehensive processing within our factory, maintaining stringent quality control at every stage. Our powerful equipment configuration fully supports all product research and development endeavors, offering the most convenient and efficient services for our clients' innovative projects.
Our company is equipped with a sophisticated online ERP system that seamlessly integrates with the workshop network, from raw material intake to the finished product dispatch. This paperless production approach guarantees the data accuracy for every product, while ensuring stringent quality control at every production stage. Through digital processes, we meticulously oversee each link in the production chain, assuring that the quality of our products consistently meets the highest standards demanded by our discerning customers.
We are also proud to maintain fully independent laboratories, outfitted with a wide array of cutting-edge testing equipment. Our arsenal includes fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This comprehensive suite of tools ensures that we meet and exceed the highest standards of testing and quality assurance for our diverse range of products.