Long an Durable Welding Neck Flange for Industrial Pipe Fittings

• 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 beacon of innovation and precision, has been skillfully crafting top-tier components since 2013. Nestled in the bustling heart of No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China, we harness Wenzhou's exceptional regional advantages and the seamless, efficient raw material supply from Qingshan Holdings Group to establish an all-encompassing production ecosystem for Longan flange. Our unparalleled forging processes and cutting-edge machining capabilities distinguish us in the industry, empowering us to produce flanges of world-class quality that meet the highest standards.
Armed with a formidable arsenal of over one hundred cutting-edge CNC lathes, Wenzhou Long'an Flange Co. excels in crafting high-precision workpieces with diameters reaching up to an impressive 2000mm, ensuring meticulous accuracy. For more substantial workpieces and expansive tubesheets, we proudly offer 10 high-capacity machining lathes with diameters exceeding 2000mm. In our unwavering quest for precision, our facilities are further fortified with 16 high-precision machining centers, featuring 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry machining centers, and a powerful 2-meter horizontal machining center. This comprehensive suite of equipment guarantees that each customer's product is meticulously refined within our premises, enabling us to maintain unparalleled quality control at every stage and meet the exacting precision demands of our esteemed clientele. Our formidable equipment configuration is designed to fulfill all product research and development aspirations, providing ultimate convenience and efficiency for innovative product creation.
Our company proudly boasts an avant-garde online ERP system that seamlessly integrates with our workshop network, from raw material entry to the exit of finished products. This revolutionary system transforms our production process, ensuring paperless operations and unparalleled data accuracy for every item we craft. Furthermore, this sophisticated system enables scrupulous quality control at every production stage by leveraging digital processes to meticulously manage each step, guaranteeing that product quality consistently aligns with our stringent standards.
Augmenting our production capabilities, we have established state-of-the-art independent laboratories, equipped with an impressive array of cutting-edge testing equipment. This includes fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. Each instrument stands as a testament to our unwavering commitment to precision, enabling us to uphold the highest standards of quality and reliability, ensuring that our products consistently meet and exceed the expectations of our discerning clientele.