Durable Welding Neck Flange with Customized Support and Warranty

• 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., an illustrious beacon of innovation and precision, has proudly been crafting superior-quality components since 2013. Nestled in the bustling heart of No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China, we capitalize on Wenzhou's unparalleled regional advantages and the seamless, efficient raw material supply from Qingshan Holdings Group. This strategic alliance has empowered us to establish a comprehensive and robust production system for Longan flanges. Distinguished by our powerful forging process and advanced machining capabilities, we've positioned ourselves as pioneers, producing flanges that meet world-class standards of excellence.
Armed with a formidable arsenal of over a hundred cutting-edge CNC lathes, Wenzhou Long'an Flange Co. expertly crafts high-precision workpieces with diameters soaring up to 2000mm, ensuring meticulous accuracy. For larger and heavier workpieces as well as expansive tubesheets, we proudly feature 10 high-capacity machining lathes that exceed diameters of 2000mm. In our unyielding quest for precision, our facilities are further enhanced with 16 high-precision machining centers. These include 6 three-axis, 3 four-axis, and 3 five-axis centers, along with 3 large gantry machining centers and an impressive 2-meter horizontal machining center. This comprehensive suite of advanced equipment guarantees that every customer's product is honed to perfection within our facilities, allowing us to manage quality control at every crucial stage, thereby meeting the most exacting precision demands of our esteemed clientele. This formidable equipment configuration not only fulfills all research and development aspirations but also offers unparalleled convenience and efficiency for pioneering product innovation.
Our company takes immense pride in its cutting-edge online ERP system, seamlessly integrating our workshop network from the entry of raw materials to the exit of finished products. This revolutionary system transforms our production process by achieving paperless operations, ensuring impeccable data accuracy for every item we craft. Furthermore, this sophisticated system facilitates meticulous quality control at every stage of production, leveraging advanced digital processes to manage each step diligently. It assures that product quality consistently aligns with our rigorous standards of excellence.
Complementing our unparalleled production capabilities, we have meticulously established independent laboratories equipped 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 uphold the highest standards of quality and reliability with unwavering dedication.