Durable Welding Neck Flange for High-Quality Pipe Fitting Solutions

• 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 beacon of industry innovation and precision, has been meticulously crafting top-tier components since its inception in 2013. Located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China, we harness the exceptional regional benefits of Wenzhou and enjoy a seamless, efficient raw material supply from the esteemed Qingshan Holdings Group. This strategic advantage has enabled us to establish a comprehensive and cutting-edge production system for Longan flange. Our unparalleled forging processes and state-of-the-art machining capabilities distinctly set us apart in the market, empowering us to produce flanges that meet world-class standards with unrivaled quality.
With an impressive fleet of over a hundred state-of-the-art CNC lathes, Wenzhou Long'an Flange Co. has the capacity to craft high-precision workpieces with diameters reaching up to 2000mm, achieving meticulous accuracy. For the creation of heavier workpieces and expansive tubesheets, our arsenal includes 10 high-capacity machining lathes with diameters exceeding 2000mm. In our unyielding quest for precision and excellence, we've outfitted our facilities with 16 high-precision machining centers, featuring 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry machining centers, and a commanding 2-meter horizontal machining center. This comprehensive suite of advanced tools and equipment ensures that every customer's product is expertly refined within our facilities. This allows us to maintain stringent quality control at every production stage and meet the exacting precision demands of our discerning clientele. Our formidable equipment configuration is designed to support all product research and development aspirations, offering unmatched convenience and efficiency for innovative product realization.
Our company prides itself on its cutting-edge online ERP system, which seamlessly integrates with our workshop network, overseeing everything from raw material entry to the dispatch of finished products. This revolutionary system transforms our production process by facilitating paperless operations and ensuring the utmost data accuracy for every item we craft. Moreover, this sophisticated digital system empowers us to exercise meticulous quality control at every stage of production, utilizing precision-driven digital management to govern each step, thereby guaranteeing that our product quality consistently aligns with our stringent standards.
Enhancing our production capabilities, we have established independent laboratories outfitted with an extensive array of cutting-edge testing equipment. Our facilities boast fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. Each instrument serves as a testament to our unwavering commitment to precision and excellence, enabling us to uphold the highest standards of quality and reliability throughout our production processes.