Long an Stainless Steel Flange Welding Neck Fitting with ODM Support

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST
• Type: Welding Flange
• Model NO.: WN flanges
• Material: Stainless Steel
• Structure: Flanges
• Connection: Welding
• 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. was established in 2013, proudly situated at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. Nestled in the heart of Wenzhou, we harness the superior local advantages of this vibrant region. By leveraging our strategic partnership with Qingshan Holdings Group, known for its convenient and efficient supply of raw materials, we have meticulously crafted a comprehensive production system. Our robust capabilities in forging and machining culminate in the exquisite production of Longan flanges.
Our company boasts a formidable array of over a hundred CNC lathes, adept at processing high-precision workpieces with a diameter of up to 2000mm. In addition, we feature 10 machining lathes designed for handling heavier workpieces and expansive tubesheets. To further augment our precision capabilities, we have outfitted our facility with 16 state-of-the-art machining centers, including 6 three-axis centers, 3 four-axis centers, 3 five-axis centers, 3 large gantry machining centers, and a singular 2-meter horizontal machining center. This empowers us to ensure meticulous in-house processing of every customer product, maintaining rigorous quality control at each stage. Our powerful equipment configuration seamlessly meets the diverse product research and development requirements of our clients, facilitating their innovative endeavors with unparalleled convenience and efficiency.
Our company employs a comprehensive online ERP system that intricately weaves through the entire workshop network—from the entry of raw materials to the exit of finished products—achieving a streamlined, paperless production environment. This sophisticated system ensures data accuracy for each product while executing rigorous quality control at every production phase. By utilizing digital processes, we meticulously manage each stage of production, guaranteeing that the quality standards of every product component are consistently met.
Wenzhou Long'an Flange Co., Ltd. also prides itself on having independent laboratories equipped with a diverse array of testing equipment. Our arsenal includes fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, ensuring the highest standards of quality assessment.