Robust Welding Neck Flange with 1-Year Warranty From Long an

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Plate
• Model NO.: Plate flanges
• Material: Stainless Steel
• Structure: Flanges
• Connection: Plate
• 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., a shining symbol of innovation and craftsmanship since 2013, stands proudly at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Our strategic position allows us to leverage Wenzhou's renowned regional advantages and the seamless raw material supply from the esteemed Qingshan Holdings Group. These factors contribute to our robust production system dedicated to Longan flange manufacturing. With our pioneering forging techniques and cutting-edge machining prowess, we are distinguished in delivering extraordinary flanges of global standards.
Armed with an impressive fleet of over 100 state-of-the-art CNC lathes, Wenzhou Long'an Flange Co. excels in producing high-precision components with diameters reaching up to 2000mm. For more substantial workpieces and extensive tubesheets, our facility is equipped with 10 high-capacity machining lathes capable of exceeding 2000mm diameters. Our relentless quest for precision is further bolstered by 16 high-precision machining centers, featuring 6 three-axis, 3 four-axis, 3 five-axis, 3 expansive gantry centers, and a powerful 2-meter horizontal center. This extensive equipment suite ensures each product is meticulously refined in-house, allowing us to maintain stringent quality control and meet our clients' rigorous precision requirements. Our formidable array of machinery fulfills all R&D aspirations, facilitating innovative product development with exceptional efficiency and convenience.
At the heart of our operations is our cutting-edge online ERP system, which intricately integrates with our workshop network from the moment raw materials arrive to the dispatch of finished products. This revolutionary system transforms our production process by enabling paperless operations and ensuring impeccable data accuracy for every creation. Moreover, it facilitates thorough quality control at every stage of production, employing digital solutions to manage each step and guarantee that our products consistently adhere to our high standards of quality.
Enhancing our production prowess, we have developed independent laboratories outfitted with a spectrum of state-of-the-art testing equipment. Our facilities feature fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. Each piece of equipment epitomizes our unwavering dedication to precision, enabling us to uphold the supreme standards of quality and reliability that our clients expect.