Premium Pipe Fitting with Long An′s Durable Welding Neck Flange

• 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 star in the realm of innovation and precision manufacturing, has been dedicated to producing superior quality components since its inception in 2013. Nestled in the vibrant hub of No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China, we harness Wenzhou's unrivaled regional advantages and the seamless, efficient supply of raw materials from Qingshan Holdings Group to forge an all-encompassing production system for Longan flange. Our distinguished forging processes and cutting-edge machining capabilities propel us to the forefront of the industry, enabling us to craft flanges that stand as benchmarks of world-class excellence.
Wielding a formidable array of over a hundred state-of-the-art CNC lathes, Wenzhou Long'an Flange Co. showcases unparalleled prowess in crafting precision workpieces with diameters soaring to an impressive 2000mm, all executed with meticulous accuracy. For larger and heavier workpieces, as well as expansive tubesheets, our prowess extends to 10 high-capacity machining lathes with diameters surpassing 2000mm. With an unwavering commitment to excellence, our facilities are further enhanced by 16 high-precision machining centers, comprising 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry machining centers, along with an imposing 2-meter horizontal machining center. This extensive and sophisticated suite of equipment ensures that every product is meticulously refined within our own facilities, empowering us to exercise stringent quality control at each stage and fulfill the exacting precision requirements of our valued clientele. Our robust equipment configuration meets all product research and development aspirations, delivering unmatched convenience and efficiency for pioneering product innovation.
Pride in our technological prowess is embodied by our cutting-edge online ERP system, seamlessly integrating with our workshop network from raw material intake to the final exit of finished products. This revolutionary system transforms our production process into a paperless, highly efficient operation, ensuring pinpoint data accuracy for every crafted item. Moreover, this sophisticated platform facilitates meticulous quality control at every production stage, utilizing digital processes to manage each step meticulously, ensuring that our product quality consistently surpasses our stringent standards.
Enhancing our production prowess, we have established independent laboratories enriched with a diverse array of state-of-the-art 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 piece of equipment stands as a testament to our unwavering commitment to precision, enabling us to maintain the pinnacle of quality and reliability standards.